Cheap Flights from Washington to St. Louis (IAD to STL)

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  • US$340
    United AirlinesUnited Airlines
    6:35am - 10:40am
    Fri Aug 22nd 2025
    5h 5m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Sun Aug 24th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2056 Depart at 6:35am from Washington, D.C. (IAD) Fly for 2h 11m Arrive at 7:46am in Chicago (ORD)

    Layover in Chicago for 1h 27m

    Fri Aug 22nd 2025 United Airlines · UA 4613 Depart at 9:13am from Chicago (ORD) Fly for 1h 27m Arrive at 10:40am in St. Louis (STL)

    Stay in St. Louis for 1 night

    Sun Aug 24th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Sun Aug 24th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$340
    United AirlinesUnited Airlines
    10:15am - 2:33pm
    Fri Aug 22nd 2025
    5h 18m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Sun Aug 24th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2290 Depart at 10:15am from Washington, D.C. (IAD) Fly for 2h 8m Arrive at 11:23am in Chicago (ORD)

    Layover in Chicago for 1h 42m

    Fri Aug 22nd 2025 United Airlines · UA 3639 Depart at 1:05pm from Chicago (ORD) Fly for 1h 28m Arrive at 2:33pm in St. Louis (STL)

    Stay in St. Louis for 1 night

    Sun Aug 24th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Sun Aug 24th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$340
    United AirlinesUnited Airlines
    10:15am - 3:44pm
    Fri Aug 22nd 2025
    6h 29m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Sun Aug 24th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2290 Depart at 10:15am from Washington, D.C. (IAD) Fly for 2h 8m Arrive at 11:23am in Chicago (ORD)

    Layover in Chicago for 2h 57m

    Fri Aug 22nd 2025 United Airlines · UA 2618 Depart at 2:20pm from Chicago (ORD) Fly for 1h 24m Arrive at 3:44pm in St. Louis (STL)

    Stay in St. Louis for 1 night

    Sun Aug 24th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Sun Aug 24th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$340
    United AirlinesUnited Airlines
    6:35am - 10:40am
    Fri Aug 22nd 2025
    5h 5m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Sun Aug 24th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2056 Depart at 6:35am from Washington, D.C. (IAD) Fly for 2h 11m Arrive at 7:46am in Chicago (ORD)

    Layover in Chicago for 1h 27m

    Fri Aug 22nd 2025 United Airlines · UA 4613 Depart at 9:13am from Chicago (ORD) Fly for 1h 27m Arrive at 10:40am in St. Louis (STL)

    Stay in St. Louis for 2 nights

    Sun Aug 24th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Sun Aug 24th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$340
    United AirlinesUnited Airlines
    6:35am - 12:25pm
    Fri Aug 22nd 2025
    6h 50m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Sun Aug 24th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2056 Depart at 6:35am from Washington, D.C. (IAD) Fly for 2h 11m Arrive at 7:46am in Chicago (ORD)

    Layover in Chicago for 3h 12m

    Fri Aug 22nd 2025 United Airlines · UA 4467 Depart at 10:58am from Chicago (ORD) Fly for 1h 27m Arrive at 12:25pm in St. Louis (STL)

    Stay in St. Louis for 1 night

    Sun Aug 24th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Sun Aug 24th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$340
    United AirlinesUnited Airlines
    10:15am - 2:33pm
    Fri Aug 22nd 2025
    5h 18m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Sun Aug 24th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2290 Depart at 10:15am from Washington, D.C. (IAD) Fly for 2h 8m Arrive at 11:23am in Chicago (ORD)

    Layover in Chicago for 1h 42m

    Fri Aug 22nd 2025 United Airlines · UA 3639 Depart at 1:05pm from Chicago (ORD) Fly for 1h 28m Arrive at 2:33pm in St. Louis (STL)

    Stay in St. Louis for 2 nights

    Sun Aug 24th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Sun Aug 24th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$340
    United AirlinesUnited Airlines
    10:15am - 3:44pm
    Fri Aug 22nd 2025
    6h 29m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Sun Aug 24th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2290 Depart at 10:15am from Washington, D.C. (IAD) Fly for 2h 8m Arrive at 11:23am in Chicago (ORD)

    Layover in Chicago for 2h 57m

    Fri Aug 22nd 2025 United Airlines · UA 2618 Depart at 2:20pm from Chicago (ORD) Fly for 1h 24m Arrive at 3:44pm in St. Louis (STL)

    Stay in St. Louis for 2 nights

    Sun Aug 24th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Sun Aug 24th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$340
    United AirlinesUnited Airlines
    6:35am - 12:25pm
    Fri Aug 22nd 2025
    6h 50m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Sun Aug 24th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2056 Depart at 6:35am from Washington, D.C. (IAD) Fly for 2h 11m Arrive at 7:46am in Chicago (ORD)

    Layover in Chicago for 3h 12m

    Fri Aug 22nd 2025 United Airlines · UA 4467 Depart at 10:58am from Chicago (ORD) Fly for 1h 27m Arrive at 12:25pm in St. Louis (STL)

    Stay in St. Louis for 2 nights

    Sun Aug 24th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Sun Aug 24th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$377
    United Airlines
    8:40am - 10:02am
    Sun Aug 24th 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Sun Aug 31st 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sun Aug 24th 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sun Aug 31st 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Sun Aug 31st 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$377
    United Airlines
    8:40am - 10:02am
    Sun Aug 24th 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    9:17am - 2:37pm
    Sun Aug 31st 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sun Aug 24th 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sun Aug 31st 2025 United Airlines · UA 4597 Depart at 9:17am from St. Louis (STL) Fly for 1h 30m Arrive at 10:47am in Chicago (ORD)

    Layover in Chicago for 0h 53m

    Sun Aug 31st 2025 United Airlines · UA 1878 Depart at 11:40am from Chicago (ORD) Fly for 1h 57m Arrive at 2:37pm in Washington, D.C. (IAD)

    Book Flight
  • US$377
    United Airlines
    8:40am - 10:02am
    Sun Aug 24th 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    8:10am - 1:49pm
    Sun Aug 31st 2025
    4h 39m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sun Aug 24th 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sun Aug 31st 2025 United Airlines · UA 4183 Depart at 8:10am from St. Louis (STL) Fly for 1h 30m Arrive at 9:40am in Chicago (ORD)

    Layover in Chicago for 1h 3m

    Sun Aug 31st 2025 United Airlines · UA 1030 Depart at 10:43am from Chicago (ORD) Fly for 2h 6m Arrive at 1:49pm in Washington, D.C. (IAD)

    Book Flight
  • US$377
    United Airlines
    8:40am - 10:02am
    Sat Aug 23rd 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Sat Aug 30th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sat Aug 23rd 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 7 nights

    Sat Aug 30th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Sat Aug 30th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$386
    United AirlinesUnited Airlines
    8:20am - 12:25pm
    Fri Aug 22nd 2025
    5h 5m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Sun Aug 24th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2401 Depart at 8:20am from Washington, D.C. (IAD) Fly for 2h 16m Arrive at 9:36am in Chicago (ORD)

    Layover in Chicago for 1h 22m

    Fri Aug 22nd 2025 United Airlines · UA 4467 Depart at 10:58am from Chicago (ORD) Fly for 1h 27m Arrive at 12:25pm in St. Louis (STL)

    Stay in St. Louis for 1 night

    Sun Aug 24th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Sun Aug 24th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$386
    United AirlinesUnited Airlines
    8:20am - 12:25pm
    Fri Aug 22nd 2025
    5h 5m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Sun Aug 24th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2401 Depart at 8:20am from Washington, D.C. (IAD) Fly for 2h 16m Arrive at 9:36am in Chicago (ORD)

    Layover in Chicago for 1h 22m

    Fri Aug 22nd 2025 United Airlines · UA 4467 Depart at 10:58am from Chicago (ORD) Fly for 1h 27m Arrive at 12:25pm in St. Louis (STL)

    Stay in St. Louis for 2 nights

    Sun Aug 24th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Sun Aug 24th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$386
    United AirlinesUnited Airlines
    5:53pm - 11:44pm
    Fri Aug 22nd 2025
    6h 51m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Sun Aug 24th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2429 Depart at 5:53pm from Washington, D.C. (IAD) Fly for 1h 37m Arrive at 7:30pm in New York (EWR)

    Layover in New York for 2h 18m

    Fri Aug 22nd 2025 United Airlines · UA 3538 Depart at 9:48pm from New York (EWR) Fly for 2h 56m Arrive at 11:44pm in St. Louis (STL)

    Stay in St. Louis for 1 night

    Sun Aug 24th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Sun Aug 24th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$386
    United AirlinesUnited Airlines
    5:53pm - 11:44pm
    Fri Aug 22nd 2025
    6h 51m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Sun Aug 24th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2429 Depart at 5:53pm from Washington, D.C. (IAD) Fly for 1h 37m Arrive at 7:30pm in New York (EWR)

    Layover in New York for 2h 18m

    Fri Aug 22nd 2025 United Airlines · UA 3538 Depart at 9:48pm from New York (EWR) Fly for 2h 56m Arrive at 11:44pm in St. Louis (STL)

    Stay in St. Louis for 1 night

    Sun Aug 24th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Sun Aug 24th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$387
    United AirlinesUnited Airlines
    1:15pm - 7:27pm
    Sat Aug 23rd 2025
    7h 12m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Sat Aug 30th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sat Aug 23rd 2025 United Airlines · UA 2331 Depart at 1:15pm from Washington, D.C. (IAD) Fly for 2h 14m Arrive at 2:29pm in Chicago (ORD)

    Layover in Chicago for 3h 31m

    Sat Aug 23rd 2025 United Airlines · UA 4416 Depart at 6:00pm from Chicago (ORD) Fly for 1h 27m Arrive at 7:27pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sat Aug 30th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Sat Aug 30th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$404
    United Airlines
    8:40am - 10:02am
    Sat Aug 23rd 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Sat Aug 30th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sat Aug 23rd 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sat Aug 30th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Sat Aug 30th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$404
    United Airlines
    8:40am - 10:02am
    Sat Aug 23rd 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    9:17am - 2:37pm
    Sat Aug 30th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sat Aug 23rd 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sat Aug 30th 2025 United Airlines · UA 4597 Depart at 9:17am from St. Louis (STL) Fly for 1h 30m Arrive at 10:47am in Chicago (ORD)

    Layover in Chicago for 0h 53m

    Sat Aug 30th 2025 United Airlines · UA 1878 Depart at 11:40am from Chicago (ORD) Fly for 1h 57m Arrive at 2:37pm in Washington, D.C. (IAD)

    Book Flight
  • US$404
    United Airlines
    8:40am - 10:02am
    Sun Aug 24th 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Sun Aug 31st 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sun Aug 24th 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 7 nights

    Sun Aug 31st 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Sun Aug 31st 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$406
    United AirlinesUnited Airlines
    3:55pm - 9:32pm
    Fri Aug 22nd 2025
    6h 37m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Sun Aug 24th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 265 Depart at 3:55pm from Washington, D.C. (IAD) Fly for 2h 15m Arrive at 5:10pm in Chicago (ORD)

    Layover in Chicago for 2h 50m

    Fri Aug 22nd 2025 United Airlines · UA 4185 Depart at 8:00pm from Chicago (ORD) Fly for 1h 32m Arrive at 9:32pm in St. Louis (STL)

    Stay in St. Louis for 1 night

    Sun Aug 24th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Sun Aug 24th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$406
    United AirlinesUnited Airlines
    3:55pm - 9:32pm
    Fri Aug 22nd 2025
    6h 37m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Sun Aug 24th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 265 Depart at 3:55pm from Washington, D.C. (IAD) Fly for 2h 15m Arrive at 5:10pm in Chicago (ORD)

    Layover in Chicago for 2h 50m

    Fri Aug 22nd 2025 United Airlines · UA 4185 Depart at 8:00pm from Chicago (ORD) Fly for 1h 32m Arrive at 9:32pm in St. Louis (STL)

    Stay in St. Louis for 1 night

    Sun Aug 24th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Sun Aug 24th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$414
    United AirlinesUnited Airlines
    10:15am - 2:33pm
    Fri Aug 22nd 2025
    5h 18m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Fri Aug 29th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2290 Depart at 10:15am from Washington, D.C. (IAD) Fly for 2h 8m Arrive at 11:23am in Chicago (ORD)

    Layover in Chicago for 1h 42m

    Fri Aug 22nd 2025 United Airlines · UA 3639 Depart at 1:05pm from Chicago (ORD) Fly for 1h 28m Arrive at 2:33pm in St. Louis (STL)

    Stay in St. Louis for 7 nights

    Fri Aug 29th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Fri Aug 29th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$414
    United AirlinesUnited Airlines
    1:15pm - 7:27pm
    Sat Aug 23rd 2025
    7h 12m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Sat Aug 30th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sat Aug 23rd 2025 United Airlines · UA 2331 Depart at 1:15pm from Washington, D.C. (IAD) Fly for 2h 14m Arrive at 2:29pm in Chicago (ORD)

    Layover in Chicago for 3h 31m

    Sat Aug 23rd 2025 United Airlines · UA 4416 Depart at 6:00pm from Chicago (ORD) Fly for 1h 27m Arrive at 7:27pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sat Aug 30th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Sat Aug 30th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$414
    United AirlinesUnited Airlines
    1:15pm - 7:27pm
    Sat Aug 23rd 2025
    7h 12m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    9:17am - 2:37pm
    Sat Aug 30th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sat Aug 23rd 2025 United Airlines · UA 2331 Depart at 1:15pm from Washington, D.C. (IAD) Fly for 2h 14m Arrive at 2:29pm in Chicago (ORD)

    Layover in Chicago for 3h 31m

    Sat Aug 23rd 2025 United Airlines · UA 4416 Depart at 6:00pm from Chicago (ORD) Fly for 1h 27m Arrive at 7:27pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sat Aug 30th 2025 United Airlines · UA 4597 Depart at 9:17am from St. Louis (STL) Fly for 1h 30m Arrive at 10:47am in Chicago (ORD)

    Layover in Chicago for 0h 53m

    Sat Aug 30th 2025 United Airlines · UA 1878 Depart at 11:40am from Chicago (ORD) Fly for 1h 57m Arrive at 2:37pm in Washington, D.C. (IAD)

    Book Flight
  • US$414
    United AirlinesUnited Airlines
    10:15am - 3:44pm
    Fri Aug 22nd 2025
    6h 29m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Fri Aug 29th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2290 Depart at 10:15am from Washington, D.C. (IAD) Fly for 2h 8m Arrive at 11:23am in Chicago (ORD)

    Layover in Chicago for 2h 57m

    Fri Aug 22nd 2025 United Airlines · UA 2618 Depart at 2:20pm from Chicago (ORD) Fly for 1h 24m Arrive at 3:44pm in St. Louis (STL)

    Stay in St. Louis for 7 nights

    Fri Aug 29th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Fri Aug 29th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$414
    United AirlinesUnited Airlines
    6:35am - 12:25pm
    Fri Aug 22nd 2025
    6h 50m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Fri Aug 29th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2056 Depart at 6:35am from Washington, D.C. (IAD) Fly for 2h 11m Arrive at 7:46am in Chicago (ORD)

    Layover in Chicago for 3h 12m

    Fri Aug 22nd 2025 United Airlines · UA 4467 Depart at 10:58am from Chicago (ORD) Fly for 1h 27m Arrive at 12:25pm in St. Louis (STL)

    Stay in St. Louis for 7 nights

    Fri Aug 29th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Fri Aug 29th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$423
    United AirlinesUnited Airlines
    5:10pm - 9:32pm
    Sat Aug 23rd 2025
    5h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Sat Aug 30th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sat Aug 23rd 2025 United Airlines · UA 2497 Depart at 5:10pm from Washington, D.C. (IAD) Fly for 2h 15m Arrive at 6:25pm in Chicago (ORD)

    Layover in Chicago for 1h 35m

    Sat Aug 23rd 2025 United Airlines · UA 4185 Depart at 8:00pm from Chicago (ORD) Fly for 1h 32m Arrive at 9:32pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sat Aug 30th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Sat Aug 30th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$436
    United AirlinesUnited Airlines
    10:15am - 3:44pm
    Fri Aug 22nd 2025
    6h 29m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United Airlines
    8:15am - 11:25am
    Sun Aug 24th 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Fri Aug 22nd 2025 United Airlines · UA 2290 Depart at 10:15am from Washington, D.C. (IAD) Fly for 2h 8m Arrive at 11:23am in Chicago (ORD)

    Layover in Chicago for 2h 57m

    Fri Aug 22nd 2025 United Airlines · UA 2618 Depart at 2:20pm from Chicago (ORD) Fly for 1h 24m Arrive at 3:44pm in St. Louis (STL)

    Stay in St. Louis for 1 night

    Sun Aug 24th 2025 United Airlines · UA 4506 Depart at 8:15am from St. Louis (STL) Fly for 2h 10m Arrive at 11:25am in Washington, D.C. (IAD)

    Book Flight
  • US$436
    United AirlinesUnited Airlines
    6:35am - 12:25pm
    Fri Aug 22nd 2025
    6h 50m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United Airlines
    8:15am - 11:25am
    Sun Aug 24th 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Fri Aug 22nd 2025 United Airlines · UA 2056 Depart at 6:35am from Washington, D.C. (IAD) Fly for 2h 11m Arrive at 7:46am in Chicago (ORD)

    Layover in Chicago for 3h 12m

    Fri Aug 22nd 2025 United Airlines · UA 4467 Depart at 10:58am from Chicago (ORD) Fly for 1h 27m Arrive at 12:25pm in St. Louis (STL)

    Stay in St. Louis for 1 night

    Sun Aug 24th 2025 United Airlines · UA 4506 Depart at 8:15am from St. Louis (STL) Fly for 2h 10m Arrive at 11:25am in Washington, D.C. (IAD)

    Book Flight
  • US$440
    United Airlines
    8:40am - 10:02am
    Sun Aug 24th 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United Airlines
    8:15am - 11:25am
    Sun Aug 31st 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Sun Aug 24th 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sun Aug 31st 2025 United Airlines · UA 4506 Depart at 8:15am from St. Louis (STL) Fly for 2h 10m Arrive at 11:25am in Washington, D.C. (IAD)

    Book Flight
  • US$449
    United AirlinesUnited Airlines
    5:10pm - 9:32pm
    Sat Aug 23rd 2025
    5h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    9:17am - 2:37pm
    Sat Aug 30th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sat Aug 23rd 2025 United Airlines · UA 2497 Depart at 5:10pm from Washington, D.C. (IAD) Fly for 2h 15m Arrive at 6:25pm in Chicago (ORD)

    Layover in Chicago for 1h 35m

    Sat Aug 23rd 2025 United Airlines · UA 4185 Depart at 8:00pm from Chicago (ORD) Fly for 1h 32m Arrive at 9:32pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sat Aug 30th 2025 United Airlines · UA 4597 Depart at 9:17am from St. Louis (STL) Fly for 1h 30m Arrive at 10:47am in Chicago (ORD)

    Layover in Chicago for 0h 53m

    Sat Aug 30th 2025 United Airlines · UA 1878 Depart at 11:40am from Chicago (ORD) Fly for 1h 57m Arrive at 2:37pm in Washington, D.C. (IAD)

    Book Flight
  • US$449
    United AirlinesUnited Airlines
    5:10pm - 9:32pm
    Sat Aug 23rd 2025
    5h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Sat Aug 30th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sat Aug 23rd 2025 United Airlines · UA 2497 Depart at 5:10pm from Washington, D.C. (IAD) Fly for 2h 15m Arrive at 6:25pm in Chicago (ORD)

    Layover in Chicago for 1h 35m

    Sat Aug 23rd 2025 United Airlines · UA 4185 Depart at 8:00pm from Chicago (ORD) Fly for 1h 32m Arrive at 9:32pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sat Aug 30th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Sat Aug 30th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$461
    United AirlinesUnited Airlines
    10:15am - 2:33pm
    Fri Aug 22nd 2025
    5h 18m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    9:17am - 2:37pm
    Fri Aug 29th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2290 Depart at 10:15am from Washington, D.C. (IAD) Fly for 2h 8m Arrive at 11:23am in Chicago (ORD)

    Layover in Chicago for 1h 42m

    Fri Aug 22nd 2025 United Airlines · UA 3639 Depart at 1:05pm from Chicago (ORD) Fly for 1h 28m Arrive at 2:33pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4597 Depart at 9:17am from St. Louis (STL) Fly for 1h 30m Arrive at 10:47am in Chicago (ORD)

    Layover in Chicago for 0h 53m

    Fri Aug 29th 2025 United Airlines · UA 1878 Depart at 11:40am from Chicago (ORD) Fly for 1h 57m Arrive at 2:37pm in Washington, D.C. (IAD)

    Book Flight
  • US$461
    United AirlinesUnited Airlines
    10:15am - 2:33pm
    Fri Aug 22nd 2025
    5h 18m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Fri Aug 29th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2290 Depart at 10:15am from Washington, D.C. (IAD) Fly for 2h 8m Arrive at 11:23am in Chicago (ORD)

    Layover in Chicago for 1h 42m

    Fri Aug 22nd 2025 United Airlines · UA 3639 Depart at 1:05pm from Chicago (ORD) Fly for 1h 28m Arrive at 2:33pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Fri Aug 29th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$461
    United AirlinesUnited Airlines
    10:15am - 2:33pm
    Fri Aug 22nd 2025
    5h 18m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    8:10am - 2:37pm
    Fri Aug 29th 2025
    5h 27m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2290 Depart at 10:15am from Washington, D.C. (IAD) Fly for 2h 8m Arrive at 11:23am in Chicago (ORD)

    Layover in Chicago for 1h 42m

    Fri Aug 22nd 2025 United Airlines · UA 3639 Depart at 1:05pm from Chicago (ORD) Fly for 1h 28m Arrive at 2:33pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4183 Depart at 8:10am from St. Louis (STL) Fly for 1h 30m Arrive at 9:40am in Chicago (ORD)

    Layover in Chicago for 2h 0m

    Fri Aug 29th 2025 United Airlines · UA 1878 Depart at 11:40am from Chicago (ORD) Fly for 1h 57m Arrive at 2:37pm in Washington, D.C. (IAD)

    Book Flight
  • US$461
    United AirlinesUnited Airlines
    10:15am - 3:44pm
    Fri Aug 22nd 2025
    6h 29m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Fri Aug 29th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2290 Depart at 10:15am from Washington, D.C. (IAD) Fly for 2h 8m Arrive at 11:23am in Chicago (ORD)

    Layover in Chicago for 2h 57m

    Fri Aug 22nd 2025 United Airlines · UA 2618 Depart at 2:20pm from Chicago (ORD) Fly for 1h 24m Arrive at 3:44pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Fri Aug 29th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$461
    United AirlinesUnited Airlines
    10:15am - 3:44pm
    Fri Aug 22nd 2025
    6h 29m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    9:17am - 2:37pm
    Fri Aug 29th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2290 Depart at 10:15am from Washington, D.C. (IAD) Fly for 2h 8m Arrive at 11:23am in Chicago (ORD)

    Layover in Chicago for 2h 57m

    Fri Aug 22nd 2025 United Airlines · UA 2618 Depart at 2:20pm from Chicago (ORD) Fly for 1h 24m Arrive at 3:44pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4597 Depart at 9:17am from St. Louis (STL) Fly for 1h 30m Arrive at 10:47am in Chicago (ORD)

    Layover in Chicago for 0h 53m

    Fri Aug 29th 2025 United Airlines · UA 1878 Depart at 11:40am from Chicago (ORD) Fly for 1h 57m Arrive at 2:37pm in Washington, D.C. (IAD)

    Book Flight
  • US$461
    United AirlinesUnited Airlines
    6:35am - 10:40am
    Fri Aug 22nd 2025
    5h 5m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Fri Aug 29th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2056 Depart at 6:35am from Washington, D.C. (IAD) Fly for 2h 11m Arrive at 7:46am in Chicago (ORD)

    Layover in Chicago for 1h 27m

    Fri Aug 22nd 2025 United Airlines · UA 4613 Depart at 9:13am from Chicago (ORD) Fly for 1h 27m Arrive at 10:40am in St. Louis (STL)

    Stay in St. Louis for 7 nights

    Fri Aug 29th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Fri Aug 29th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$461
    United AirlinesUnited Airlines
    6:35am - 12:25pm
    Fri Aug 22nd 2025
    6h 50m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    9:17am - 2:37pm
    Fri Aug 29th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2056 Depart at 6:35am from Washington, D.C. (IAD) Fly for 2h 11m Arrive at 7:46am in Chicago (ORD)

    Layover in Chicago for 3h 12m

    Fri Aug 22nd 2025 United Airlines · UA 4467 Depart at 10:58am from Chicago (ORD) Fly for 1h 27m Arrive at 12:25pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4597 Depart at 9:17am from St. Louis (STL) Fly for 1h 30m Arrive at 10:47am in Chicago (ORD)

    Layover in Chicago for 0h 53m

    Fri Aug 29th 2025 United Airlines · UA 1878 Depart at 11:40am from Chicago (ORD) Fly for 1h 57m Arrive at 2:37pm in Washington, D.C. (IAD)

    Book Flight
  • US$461
    United AirlinesUnited Airlines
    6:35am - 12:25pm
    Fri Aug 22nd 2025
    6h 50m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Fri Aug 29th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2056 Depart at 6:35am from Washington, D.C. (IAD) Fly for 2h 11m Arrive at 7:46am in Chicago (ORD)

    Layover in Chicago for 3h 12m

    Fri Aug 22nd 2025 United Airlines · UA 4467 Depart at 10:58am from Chicago (ORD) Fly for 1h 27m Arrive at 12:25pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Fri Aug 29th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$461
    United AirlinesUnited Airlines
    10:15am - 3:44pm
    Fri Aug 22nd 2025
    6h 29m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    8:10am - 2:37pm
    Fri Aug 29th 2025
    5h 27m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2290 Depart at 10:15am from Washington, D.C. (IAD) Fly for 2h 8m Arrive at 11:23am in Chicago (ORD)

    Layover in Chicago for 2h 57m

    Fri Aug 22nd 2025 United Airlines · UA 2618 Depart at 2:20pm from Chicago (ORD) Fly for 1h 24m Arrive at 3:44pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4183 Depart at 8:10am from St. Louis (STL) Fly for 1h 30m Arrive at 9:40am in Chicago (ORD)

    Layover in Chicago for 2h 0m

    Fri Aug 29th 2025 United Airlines · UA 1878 Depart at 11:40am from Chicago (ORD) Fly for 1h 57m Arrive at 2:37pm in Washington, D.C. (IAD)

    Book Flight
  • US$461
    United AirlinesUnited Airlines
    6:35am - 12:25pm
    Fri Aug 22nd 2025
    6h 50m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    8:10am - 2:37pm
    Fri Aug 29th 2025
    5h 27m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2056 Depart at 6:35am from Washington, D.C. (IAD) Fly for 2h 11m Arrive at 7:46am in Chicago (ORD)

    Layover in Chicago for 3h 12m

    Fri Aug 22nd 2025 United Airlines · UA 4467 Depart at 10:58am from Chicago (ORD) Fly for 1h 27m Arrive at 12:25pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4183 Depart at 8:10am from St. Louis (STL) Fly for 1h 30m Arrive at 9:40am in Chicago (ORD)

    Layover in Chicago for 2h 0m

    Fri Aug 29th 2025 United Airlines · UA 1878 Depart at 11:40am from Chicago (ORD) Fly for 1h 57m Arrive at 2:37pm in Washington, D.C. (IAD)

    Book Flight
  • US$461
    United AirlinesUnited Airlines
    5:53pm - 11:44pm
    Fri Aug 22nd 2025
    6h 51m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Fri Aug 29th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2429 Depart at 5:53pm from Washington, D.C. (IAD) Fly for 1h 37m Arrive at 7:30pm in New York (EWR)

    Layover in New York for 2h 18m

    Fri Aug 22nd 2025 United Airlines · UA 3538 Depart at 9:48pm from New York (EWR) Fly for 2h 56m Arrive at 11:44pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Fri Aug 29th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$483
    United Airlines
    8:40am - 10:02am
    Fri Aug 22nd 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Sun Aug 24th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 1 night

    Sun Aug 24th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Sun Aug 24th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$483
    United Airlines
    5:35pm - 6:59pm
    Fri Aug 22nd 2025
    2h 24m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Sun Aug 24th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 4527 Depart at 5:35pm from Washington, D.C. (IAD) Fly for 2h 24m Arrive at 6:59pm in St. Louis (STL)

    Stay in St. Louis for 1 night

    Sun Aug 24th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Sun Aug 24th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$483
    United AirlinesUnited Airlines
    10:15am - 2:33pm
    Fri Aug 22nd 2025
    5h 18m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United Airlines
    8:15am - 11:25am
    Sun Aug 24th 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Fri Aug 22nd 2025 United Airlines · UA 2290 Depart at 10:15am from Washington, D.C. (IAD) Fly for 2h 8m Arrive at 11:23am in Chicago (ORD)

    Layover in Chicago for 1h 42m

    Fri Aug 22nd 2025 United Airlines · UA 3639 Depart at 1:05pm from Chicago (ORD) Fly for 1h 28m Arrive at 2:33pm in St. Louis (STL)

    Stay in St. Louis for 1 night

    Sun Aug 24th 2025 United Airlines · UA 4506 Depart at 8:15am from St. Louis (STL) Fly for 2h 10m Arrive at 11:25am in Washington, D.C. (IAD)

    Book Flight
  • US$483
    United Airlines
    8:40am - 10:02am
    Fri Aug 22nd 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Sun Aug 24th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 2 nights

    Sun Aug 24th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Sun Aug 24th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$483
    United Airlines
    5:35pm - 6:59pm
    Fri Aug 22nd 2025
    2h 24m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Sun Aug 24th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 4527 Depart at 5:35pm from Washington, D.C. (IAD) Fly for 2h 24m Arrive at 6:59pm in St. Louis (STL)

    Stay in St. Louis for 1 night

    Sun Aug 24th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Sun Aug 24th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$483
    United AirlinesUnited Airlines
    5:53pm - 11:44pm
    Fri Aug 22nd 2025
    6h 51m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United Airlines
    8:15am - 11:25am
    Sun Aug 24th 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Fri Aug 22nd 2025 United Airlines · UA 2429 Depart at 5:53pm from Washington, D.C. (IAD) Fly for 1h 37m Arrive at 7:30pm in New York (EWR)

    Layover in New York for 2h 18m

    Fri Aug 22nd 2025 United Airlines · UA 3538 Depart at 9:48pm from New York (EWR) Fly for 2h 56m Arrive at 11:44pm in St. Louis (STL)

    Stay in St. Louis for 1 night

    Sun Aug 24th 2025 United Airlines · UA 4506 Depart at 8:15am from St. Louis (STL) Fly for 2h 10m Arrive at 11:25am in Washington, D.C. (IAD)

    Book Flight
  • US$485
    United AirlinesUnited Airlines
    5:10pm - 9:32pm
    Fri Aug 22nd 2025
    5h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Fri Aug 29th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2497 Depart at 5:10pm from Washington, D.C. (IAD) Fly for 2h 15m Arrive at 6:25pm in Chicago (ORD)

    Layover in Chicago for 1h 35m

    Fri Aug 22nd 2025 United Airlines · UA 4185 Depart at 8:00pm from Chicago (ORD) Fly for 1h 32m Arrive at 9:32pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Fri Aug 29th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$489
    United Airlines
    5:35pm - 6:59pm
    Sat Aug 23rd 2025
    2h 24m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Sat Aug 30th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sat Aug 23rd 2025 United Airlines · UA 4527 Depart at 5:35pm from Washington, D.C. (IAD) Fly for 2h 24m Arrive at 6:59pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sat Aug 30th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Sat Aug 30th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$499
    United AirlinesUnited Airlines
    5:53pm - 11:44pm
    Sun Aug 24th 2025
    6h 51m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Sun Aug 31st 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sun Aug 24th 2025 United Airlines · UA 2429 Depart at 5:53pm from Washington, D.C. (IAD) Fly for 1h 37m Arrive at 7:30pm in New York (EWR)

    Layover in New York for 2h 18m

    Sun Aug 24th 2025 United Airlines · UA 3538 Depart at 9:48pm from New York (EWR) Fly for 2h 56m Arrive at 11:44pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sun Aug 31st 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Sun Aug 31st 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$499
    United AirlinesUnited Airlines
    5:53pm - 11:44pm
    Sun Aug 24th 2025
    6h 51m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    9:17am - 2:37pm
    Sun Aug 31st 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sun Aug 24th 2025 United Airlines · UA 2429 Depart at 5:53pm from Washington, D.C. (IAD) Fly for 1h 37m Arrive at 7:30pm in New York (EWR)

    Layover in New York for 2h 18m

    Sun Aug 24th 2025 United Airlines · UA 3538 Depart at 9:48pm from New York (EWR) Fly for 2h 56m Arrive at 11:44pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sun Aug 31st 2025 United Airlines · UA 4597 Depart at 9:17am from St. Louis (STL) Fly for 1h 30m Arrive at 10:47am in Chicago (ORD)

    Layover in Chicago for 0h 53m

    Sun Aug 31st 2025 United Airlines · UA 1878 Depart at 11:40am from Chicago (ORD) Fly for 1h 57m Arrive at 2:37pm in Washington, D.C. (IAD)

    Book Flight
  • US$499
    United AirlinesUnited Airlines
    12:50pm - 6:53pm
    Sun Aug 24th 2025
    7h 3m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Sun Aug 31st 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sun Aug 24th 2025 United Airlines · UA 2163 Depart at 12:50pm from Washington, D.C. (IAD) Fly for 3h 18m Arrive at 3:08pm in Houston (IAH)

    Layover in Houston for 1h 45m

    Sun Aug 24th 2025 United Airlines · UA 744 Depart at 4:53pm from Houston (IAH) Fly for 2h 0m Arrive at 6:53pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sun Aug 31st 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Sun Aug 31st 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$499
    United AirlinesUnited Airlines
    12:50pm - 6:53pm
    Sun Aug 24th 2025
    7h 3m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    9:17am - 2:37pm
    Sun Aug 31st 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sun Aug 24th 2025 United Airlines · UA 2163 Depart at 12:50pm from Washington, D.C. (IAD) Fly for 3h 18m Arrive at 3:08pm in Houston (IAH)

    Layover in Houston for 1h 45m

    Sun Aug 24th 2025 United Airlines · UA 744 Depart at 4:53pm from Houston (IAH) Fly for 2h 0m Arrive at 6:53pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sun Aug 31st 2025 United Airlines · UA 4597 Depart at 9:17am from St. Louis (STL) Fly for 1h 30m Arrive at 10:47am in Chicago (ORD)

    Layover in Chicago for 0h 53m

    Sun Aug 31st 2025 United Airlines · UA 1878 Depart at 11:40am from Chicago (ORD) Fly for 1h 57m Arrive at 2:37pm in Washington, D.C. (IAD)

    Book Flight
  • US$499
    United AirlinesUnited Airlines
    5:53pm - 11:44pm
    Sun Aug 24th 2025
    6h 51m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    8:10am - 1:49pm
    Sun Aug 31st 2025
    4h 39m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sun Aug 24th 2025 United Airlines · UA 2429 Depart at 5:53pm from Washington, D.C. (IAD) Fly for 1h 37m Arrive at 7:30pm in New York (EWR)

    Layover in New York for 2h 18m

    Sun Aug 24th 2025 United Airlines · UA 3538 Depart at 9:48pm from New York (EWR) Fly for 2h 56m Arrive at 11:44pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sun Aug 31st 2025 United Airlines · UA 4183 Depart at 8:10am from St. Louis (STL) Fly for 1h 30m Arrive at 9:40am in Chicago (ORD)

    Layover in Chicago for 1h 3m

    Sun Aug 31st 2025 United Airlines · UA 1030 Depart at 10:43am from Chicago (ORD) Fly for 2h 6m Arrive at 1:49pm in Washington, D.C. (IAD)

    Book Flight
  • US$499
    United AirlinesUnited Airlines
    1:15pm - 5:52pm
    Sat Aug 23rd 2025
    5h 37m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Sat Aug 30th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sat Aug 23rd 2025 United Airlines · UA 2331 Depart at 1:15pm from Washington, D.C. (IAD) Fly for 2h 14m Arrive at 2:29pm in Chicago (ORD)

    Layover in Chicago for 1h 56m

    Sat Aug 23rd 2025 United Airlines · UA 4518 Depart at 4:25pm from Chicago (ORD) Fly for 1h 27m Arrive at 5:52pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sat Aug 30th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Sat Aug 30th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$499
    United AirlinesUnited Airlines
    12:50pm - 6:53pm
    Sun Aug 24th 2025
    7h 3m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    8:10am - 1:49pm
    Sun Aug 31st 2025
    4h 39m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sun Aug 24th 2025 United Airlines · UA 2163 Depart at 12:50pm from Washington, D.C. (IAD) Fly for 3h 18m Arrive at 3:08pm in Houston (IAH)

    Layover in Houston for 1h 45m

    Sun Aug 24th 2025 United Airlines · UA 744 Depart at 4:53pm from Houston (IAH) Fly for 2h 0m Arrive at 6:53pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sun Aug 31st 2025 United Airlines · UA 4183 Depart at 8:10am from St. Louis (STL) Fly for 1h 30m Arrive at 9:40am in Chicago (ORD)

    Layover in Chicago for 1h 3m

    Sun Aug 31st 2025 United Airlines · UA 1030 Depart at 10:43am from Chicago (ORD) Fly for 2h 6m Arrive at 1:49pm in Washington, D.C. (IAD)

    Book Flight
  • US$502
    United AirlinesUnited Airlines
    6:35am - 10:40am
    Fri Aug 22nd 2025
    5h 5m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United Airlines
    8:15am - 11:25am
    Sun Aug 24th 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Fri Aug 22nd 2025 United Airlines · UA 2056 Depart at 6:35am from Washington, D.C. (IAD) Fly for 2h 11m Arrive at 7:46am in Chicago (ORD)

    Layover in Chicago for 1h 27m

    Fri Aug 22nd 2025 United Airlines · UA 4613 Depart at 9:13am from Chicago (ORD) Fly for 1h 27m Arrive at 10:40am in St. Louis (STL)

    Stay in St. Louis for 1 night

    Sun Aug 24th 2025 United Airlines · UA 4506 Depart at 8:15am from St. Louis (STL) Fly for 2h 10m Arrive at 11:25am in Washington, D.C. (IAD)

    Book Flight
  • US$502
    United AirlinesUnited Airlines
    3:55pm - 9:32pm
    Fri Aug 22nd 2025
    6h 37m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United Airlines
    8:15am - 11:25am
    Sun Aug 24th 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Fri Aug 22nd 2025 United Airlines · UA 265 Depart at 3:55pm from Washington, D.C. (IAD) Fly for 2h 15m Arrive at 5:10pm in Chicago (ORD)

    Layover in Chicago for 2h 50m

    Fri Aug 22nd 2025 United Airlines · UA 4185 Depart at 8:00pm from Chicago (ORD) Fly for 1h 32m Arrive at 9:32pm in St. Louis (STL)

    Stay in St. Louis for 1 night

    Sun Aug 24th 2025 United Airlines · UA 4506 Depart at 8:15am from St. Louis (STL) Fly for 2h 10m Arrive at 11:25am in Washington, D.C. (IAD)

    Book Flight
  • US$505
    United Airlines
    8:40am - 10:02am
    Sun Aug 24th 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United Airlines
    1:10pm - 4:20pm
    Sun Aug 31st 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Sun Aug 24th 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 7 nights

    Sun Aug 31st 2025 United Airlines · UA 4454 Depart at 1:10pm from St. Louis (STL) Fly for 2h 10m Arrive at 4:20pm in Washington, D.C. (IAD)

    Book Flight
  • US$508
    United AirlinesUnited Airlines
    8:20am - 12:25pm
    Fri Aug 22nd 2025
    5h 5m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Fri Aug 29th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2401 Depart at 8:20am from Washington, D.C. (IAD) Fly for 2h 16m Arrive at 9:36am in Chicago (ORD)

    Layover in Chicago for 1h 22m

    Fri Aug 22nd 2025 United Airlines · UA 4467 Depart at 10:58am from Chicago (ORD) Fly for 1h 27m Arrive at 12:25pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Fri Aug 29th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$508
    United AirlinesUnited Airlines
    6:35am - 10:40am
    Fri Aug 22nd 2025
    5h 5m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Fri Aug 29th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2056 Depart at 6:35am from Washington, D.C. (IAD) Fly for 2h 11m Arrive at 7:46am in Chicago (ORD)

    Layover in Chicago for 1h 27m

    Fri Aug 22nd 2025 United Airlines · UA 4613 Depart at 9:13am from Chicago (ORD) Fly for 1h 27m Arrive at 10:40am in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Fri Aug 29th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$508
    United AirlinesUnited Airlines
    6:35am - 10:40am
    Fri Aug 22nd 2025
    5h 5m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    9:17am - 2:37pm
    Fri Aug 29th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2056 Depart at 6:35am from Washington, D.C. (IAD) Fly for 2h 11m Arrive at 7:46am in Chicago (ORD)

    Layover in Chicago for 1h 27m

    Fri Aug 22nd 2025 United Airlines · UA 4613 Depart at 9:13am from Chicago (ORD) Fly for 1h 27m Arrive at 10:40am in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4597 Depart at 9:17am from St. Louis (STL) Fly for 1h 30m Arrive at 10:47am in Chicago (ORD)

    Layover in Chicago for 0h 53m

    Fri Aug 29th 2025 United Airlines · UA 1878 Depart at 11:40am from Chicago (ORD) Fly for 1h 57m Arrive at 2:37pm in Washington, D.C. (IAD)

    Book Flight
  • US$508
    United AirlinesUnited Airlines
    8:20am - 12:25pm
    Fri Aug 22nd 2025
    5h 5m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    9:17am - 2:37pm
    Fri Aug 29th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2401 Depart at 8:20am from Washington, D.C. (IAD) Fly for 2h 16m Arrive at 9:36am in Chicago (ORD)

    Layover in Chicago for 1h 22m

    Fri Aug 22nd 2025 United Airlines · UA 4467 Depart at 10:58am from Chicago (ORD) Fly for 1h 27m Arrive at 12:25pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4597 Depart at 9:17am from St. Louis (STL) Fly for 1h 30m Arrive at 10:47am in Chicago (ORD)

    Layover in Chicago for 0h 53m

    Fri Aug 29th 2025 United Airlines · UA 1878 Depart at 11:40am from Chicago (ORD) Fly for 1h 57m Arrive at 2:37pm in Washington, D.C. (IAD)

    Book Flight
  • US$508
    United AirlinesUnited Airlines
    5:53pm - 11:44pm
    Fri Aug 22nd 2025
    6h 51m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    9:17am - 2:37pm
    Fri Aug 29th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2429 Depart at 5:53pm from Washington, D.C. (IAD) Fly for 1h 37m Arrive at 7:30pm in New York (EWR)

    Layover in New York for 2h 18m

    Fri Aug 22nd 2025 United Airlines · UA 3538 Depart at 9:48pm from New York (EWR) Fly for 2h 56m Arrive at 11:44pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4597 Depart at 9:17am from St. Louis (STL) Fly for 1h 30m Arrive at 10:47am in Chicago (ORD)

    Layover in Chicago for 0h 53m

    Fri Aug 29th 2025 United Airlines · UA 1878 Depart at 11:40am from Chicago (ORD) Fly for 1h 57m Arrive at 2:37pm in Washington, D.C. (IAD)

    Book Flight
  • US$508
    United AirlinesUnited Airlines
    5:53pm - 11:44pm
    Fri Aug 22nd 2025
    6h 51m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Fri Aug 29th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2429 Depart at 5:53pm from Washington, D.C. (IAD) Fly for 1h 37m Arrive at 7:30pm in New York (EWR)

    Layover in New York for 2h 18m

    Fri Aug 22nd 2025 United Airlines · UA 3538 Depart at 9:48pm from New York (EWR) Fly for 2h 56m Arrive at 11:44pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Fri Aug 29th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$516
    United Airlines
    5:35pm - 6:59pm
    Sat Aug 23rd 2025
    2h 24m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Sat Aug 30th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sat Aug 23rd 2025 United Airlines · UA 4527 Depart at 5:35pm from Washington, D.C. (IAD) Fly for 2h 24m Arrive at 6:59pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sat Aug 30th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Sat Aug 30th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$516
    United Airlines
    5:35pm - 6:59pm
    Sat Aug 23rd 2025
    2h 24m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    9:17am - 2:37pm
    Sat Aug 30th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sat Aug 23rd 2025 United Airlines · UA 4527 Depart at 5:35pm from Washington, D.C. (IAD) Fly for 2h 24m Arrive at 6:59pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sat Aug 30th 2025 United Airlines · UA 4597 Depart at 9:17am from St. Louis (STL) Fly for 1h 30m Arrive at 10:47am in Chicago (ORD)

    Layover in Chicago for 0h 53m

    Sat Aug 30th 2025 United Airlines · UA 1878 Depart at 11:40am from Chicago (ORD) Fly for 1h 57m Arrive at 2:37pm in Washington, D.C. (IAD)

    Book Flight
  • US$516
    United Airlines
    8:40am - 10:02am
    Sat Aug 23rd 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    4:32pm - 11:55pm
    Sat Aug 30th 2025
    6h 23m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sat Aug 23rd 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 7 nights

    Sat Aug 30th 2025 United Airlines · UA 6273 Depart at 4:32pm from St. Louis (STL) Fly for 2h 18m Arrive at 6:50pm in Houston (IAH)

    Layover in Houston for 1h 0m

    Sat Aug 30th 2025 United Airlines · UA 2352 Depart at 7:50pm from Houston (IAH) Fly for 3h 5m Arrive at 11:55pm in Washington, D.C. (IAD)

    Book Flight
  • US$526
    United AirlinesUnited Airlines
    1:15pm - 5:52pm
    Sat Aug 23rd 2025
    5h 37m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    9:17am - 2:37pm
    Sat Aug 30th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sat Aug 23rd 2025 United Airlines · UA 2331 Depart at 1:15pm from Washington, D.C. (IAD) Fly for 2h 14m Arrive at 2:29pm in Chicago (ORD)

    Layover in Chicago for 1h 56m

    Sat Aug 23rd 2025 United Airlines · UA 4518 Depart at 4:25pm from Chicago (ORD) Fly for 1h 27m Arrive at 5:52pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sat Aug 30th 2025 United Airlines · UA 4597 Depart at 9:17am from St. Louis (STL) Fly for 1h 30m Arrive at 10:47am in Chicago (ORD)

    Layover in Chicago for 0h 53m

    Sat Aug 30th 2025 United Airlines · UA 1878 Depart at 11:40am from Chicago (ORD) Fly for 1h 57m Arrive at 2:37pm in Washington, D.C. (IAD)

    Book Flight
  • US$526
    United AirlinesUnited Airlines
    1:15pm - 5:52pm
    Sat Aug 23rd 2025
    5h 37m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Sat Aug 30th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sat Aug 23rd 2025 United Airlines · UA 2331 Depart at 1:15pm from Washington, D.C. (IAD) Fly for 2h 14m Arrive at 2:29pm in Chicago (ORD)

    Layover in Chicago for 1h 56m

    Sat Aug 23rd 2025 United Airlines · UA 4518 Depart at 4:25pm from Chicago (ORD) Fly for 1h 27m Arrive at 5:52pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sat Aug 30th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Sat Aug 30th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$526
    United AirlinesUnited Airlines
    3:55pm - 7:27pm
    Fri Aug 22nd 2025
    4h 32m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Fri Aug 29th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 265 Depart at 3:55pm from Washington, D.C. (IAD) Fly for 2h 15m Arrive at 5:10pm in Chicago (ORD)

    Layover in Chicago for 0h 50m

    Fri Aug 22nd 2025 United Airlines · UA 4416 Depart at 6:00pm from Chicago (ORD) Fly for 1h 27m Arrive at 7:27pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Fri Aug 29th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$526
    United AirlinesUnited Airlines
    8:20am - 12:25pm
    Fri Aug 22nd 2025
    5h 5m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Fri Aug 29th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 2401 Depart at 8:20am from Washington, D.C. (IAD) Fly for 2h 16m Arrive at 9:36am in Chicago (ORD)

    Layover in Chicago for 1h 22m

    Fri Aug 22nd 2025 United Airlines · UA 4467 Depart at 10:58am from Chicago (ORD) Fly for 1h 27m Arrive at 12:25pm in St. Louis (STL)

    Stay in St. Louis for 7 nights

    Fri Aug 29th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Fri Aug 29th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$526
    United AirlinesUnited Airlines
    5:53pm - 11:44pm
    Sun Aug 24th 2025
    6h 51m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Sun Aug 31st 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sun Aug 24th 2025 United Airlines · UA 2429 Depart at 5:53pm from Washington, D.C. (IAD) Fly for 1h 37m Arrive at 7:30pm in New York (EWR)

    Layover in New York for 2h 18m

    Sun Aug 24th 2025 United Airlines · UA 3538 Depart at 9:48pm from New York (EWR) Fly for 2h 56m Arrive at 11:44pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sun Aug 31st 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Sun Aug 31st 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$526
    United AirlinesUnited Airlines
    12:50pm - 6:53pm
    Sun Aug 24th 2025
    7h 3m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Sun Aug 31st 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sun Aug 24th 2025 United Airlines · UA 2163 Depart at 12:50pm from Washington, D.C. (IAD) Fly for 3h 18m Arrive at 3:08pm in Houston (IAH)

    Layover in Houston for 1h 45m

    Sun Aug 24th 2025 United Airlines · UA 744 Depart at 4:53pm from Houston (IAH) Fly for 2h 0m Arrive at 6:53pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sun Aug 31st 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Sun Aug 31st 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$526
    United AirlinesUnited Airlines
    1:15pm - 7:27pm
    Sat Aug 23rd 2025
    7h 12m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United AirlinesUnited Airlines
    4:32pm - 11:55pm
    Sat Aug 30th 2025
    6h 23m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sat Aug 23rd 2025 United Airlines · UA 2331 Depart at 1:15pm from Washington, D.C. (IAD) Fly for 2h 14m Arrive at 2:29pm in Chicago (ORD)

    Layover in Chicago for 3h 31m

    Sat Aug 23rd 2025 United Airlines · UA 4416 Depart at 6:00pm from Chicago (ORD) Fly for 1h 27m Arrive at 7:27pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sat Aug 30th 2025 United Airlines · UA 6273 Depart at 4:32pm from St. Louis (STL) Fly for 2h 18m Arrive at 6:50pm in Houston (IAH)

    Layover in Houston for 1h 0m

    Sat Aug 30th 2025 United Airlines · UA 2352 Depart at 7:50pm from Houston (IAH) Fly for 3h 5m Arrive at 11:55pm in Washington, D.C. (IAD)

    Book Flight
  • US$557
    United Airlines
    8:40am - 10:02am
    Sat Aug 23rd 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United Airlines
    8:15am - 11:25am
    Sat Aug 30th 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Sat Aug 23rd 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sat Aug 30th 2025 United Airlines · UA 4506 Depart at 8:15am from St. Louis (STL) Fly for 2h 10m Arrive at 11:25am in Washington, D.C. (IAD)

    Book Flight
  • US$562
    United AirlinesUnited Airlines
    5:53pm - 11:44pm
    Sun Aug 24th 2025
    6h 51m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United Airlines
    8:15am - 11:25am
    Sun Aug 31st 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Sun Aug 24th 2025 United Airlines · UA 2429 Depart at 5:53pm from Washington, D.C. (IAD) Fly for 1h 37m Arrive at 7:30pm in New York (EWR)

    Layover in New York for 2h 18m

    Sun Aug 24th 2025 United Airlines · UA 3538 Depart at 9:48pm from New York (EWR) Fly for 2h 56m Arrive at 11:44pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sun Aug 31st 2025 United Airlines · UA 4506 Depart at 8:15am from St. Louis (STL) Fly for 2h 10m Arrive at 11:25am in Washington, D.C. (IAD)

    Book Flight
  • US$562
    United AirlinesUnited Airlines
    12:50pm - 6:53pm
    Sun Aug 24th 2025
    7h 3m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United Airlines
    8:15am - 11:25am
    Sun Aug 31st 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Sun Aug 24th 2025 United Airlines · UA 2163 Depart at 12:50pm from Washington, D.C. (IAD) Fly for 3h 18m Arrive at 3:08pm in Houston (IAH)

    Layover in Houston for 1h 45m

    Sun Aug 24th 2025 United Airlines · UA 744 Depart at 4:53pm from Houston (IAH) Fly for 2h 0m Arrive at 6:53pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sun Aug 31st 2025 United Airlines · UA 4506 Depart at 8:15am from St. Louis (STL) Fly for 2h 10m Arrive at 11:25am in Washington, D.C. (IAD)

    Book Flight
  • US$568
    United Airlines
    8:40am - 10:02am
    Sun Aug 24th 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    3:20pm - 8:55pm
    Sun Aug 31st 2025
    4h 35m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Sun Aug 24th 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 7 nights

    Sun Aug 31st 2025 United Airlines · UA 3611 Depart at 3:20pm from St. Louis (STL) Fly for 1h 32m Arrive at 4:52pm in Chicago (ORD)

    Layover in Chicago for 1h 3m

    Sun Aug 31st 2025 United Airlines · UA 2677 Depart at 5:55pm from Chicago (ORD) Fly for 2h 0m Arrive at 8:55pm in Washington, D.C. (IAD)

    Book Flight
  • US$568
    United AirlinesUnited Airlines
    10:15am - 2:33pm
    Fri Aug 22nd 2025
    5h 18m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United Airlines
    8:15am - 11:25am
    Fri Aug 29th 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Fri Aug 22nd 2025 United Airlines · UA 2290 Depart at 10:15am from Washington, D.C. (IAD) Fly for 2h 8m Arrive at 11:23am in Chicago (ORD)

    Layover in Chicago for 1h 42m

    Fri Aug 22nd 2025 United Airlines · UA 3639 Depart at 1:05pm from Chicago (ORD) Fly for 1h 28m Arrive at 2:33pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4506 Depart at 8:15am from St. Louis (STL) Fly for 2h 10m Arrive at 11:25am in Washington, D.C. (IAD)

    Book Flight
  • US$568
    United Airlines
    8:40am - 10:02am
    Fri Aug 22nd 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Fri Aug 29th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 7 nights

    Fri Aug 29th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Fri Aug 29th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$568
    United Airlines
    5:35pm - 6:59pm
    Fri Aug 22nd 2025
    2h 24m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    5:30pm - 12:32am
    Fri Aug 29th 2025
    6h 2m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 4527 Depart at 5:35pm from Washington, D.C. (IAD) Fly for 2h 24m Arrive at 6:59pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 1156 Depart at 5:30pm from St. Louis (STL) Fly for 1h 25m Arrive at 6:55pm in Chicago (ORD)

    Layover in Chicago for 2h 36m

    Fri Aug 29th 2025 United Airlines · UA 276 Depart at 9:31pm from Chicago (ORD) Fly for 2h 1m Arrive at 12:32am in Washington, D.C. (IAD)

    Book Flight
  • US$568
    United AirlinesUnited Airlines
    6:35am - 12:25pm
    Fri Aug 22nd 2025
    6h 50m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United Airlines
    8:15am - 11:25am
    Fri Aug 29th 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Fri Aug 22nd 2025 United Airlines · UA 2056 Depart at 6:35am from Washington, D.C. (IAD) Fly for 2h 11m Arrive at 7:46am in Chicago (ORD)

    Layover in Chicago for 3h 12m

    Fri Aug 22nd 2025 United Airlines · UA 4467 Depart at 10:58am from Chicago (ORD) Fly for 1h 27m Arrive at 12:25pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4506 Depart at 8:15am from St. Louis (STL) Fly for 2h 10m Arrive at 11:25am in Washington, D.C. (IAD)

    Book Flight
  • US$568
    United AirlinesUnited Airlines
    1:15pm - 7:27pm
    Sat Aug 23rd 2025
    7h 12m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United Airlines
    8:15am - 11:25am
    Sat Aug 30th 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Sat Aug 23rd 2025 United Airlines · UA 2331 Depart at 1:15pm from Washington, D.C. (IAD) Fly for 2h 14m Arrive at 2:29pm in Chicago (ORD)

    Layover in Chicago for 3h 31m

    Sat Aug 23rd 2025 United Airlines · UA 4416 Depart at 6:00pm from Chicago (ORD) Fly for 1h 27m Arrive at 7:27pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sat Aug 30th 2025 United Airlines · UA 4506 Depart at 8:15am from St. Louis (STL) Fly for 2h 10m Arrive at 11:25am in Washington, D.C. (IAD)

    Book Flight
  • US$579
    United Airlines
    8:40am - 10:02am
    Fri Aug 22nd 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United Airlines
    8:15am - 11:25am
    Sun Aug 24th 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Fri Aug 22nd 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 1 night

    Sun Aug 24th 2025 United Airlines · UA 4506 Depart at 8:15am from St. Louis (STL) Fly for 2h 10m Arrive at 11:25am in Washington, D.C. (IAD)

    Book Flight
  • US$579
    United Airlines
    5:35pm - 6:59pm
    Fri Aug 22nd 2025
    2h 24m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United Airlines
    8:15am - 11:25am
    Sun Aug 24th 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Fri Aug 22nd 2025 United Airlines · UA 4527 Depart at 5:35pm from Washington, D.C. (IAD) Fly for 2h 24m Arrive at 6:59pm in St. Louis (STL)

    Stay in St. Louis for 1 night

    Sun Aug 24th 2025 United Airlines · UA 4506 Depart at 8:15am from St. Louis (STL) Fly for 2h 10m Arrive at 11:25am in Washington, D.C. (IAD)

    Book Flight
  • US$603
    United AirlinesUnited Airlines
    5:10pm - 9:32pm
    Sat Aug 23rd 2025
    5h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United Airlines
    8:15am - 11:25am
    Sat Aug 30th 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Sat Aug 23rd 2025 United Airlines · UA 2497 Depart at 5:10pm from Washington, D.C. (IAD) Fly for 2h 15m Arrive at 6:25pm in Chicago (ORD)

    Layover in Chicago for 1h 35m

    Sat Aug 23rd 2025 United Airlines · UA 4185 Depart at 8:00pm from Chicago (ORD) Fly for 1h 32m Arrive at 9:32pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Sat Aug 30th 2025 United Airlines · UA 4506 Depart at 8:15am from St. Louis (STL) Fly for 2h 10m Arrive at 11:25am in Washington, D.C. (IAD)

    Book Flight
  • US$615
    United Airlines
    8:40am - 10:02am
    Fri Aug 22nd 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    9:17am - 2:37pm
    Fri Aug 29th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4597 Depart at 9:17am from St. Louis (STL) Fly for 1h 30m Arrive at 10:47am in Chicago (ORD)

    Layover in Chicago for 0h 53m

    Fri Aug 29th 2025 United Airlines · UA 1878 Depart at 11:40am from Chicago (ORD) Fly for 1h 57m Arrive at 2:37pm in Washington, D.C. (IAD)

    Book Flight
  • US$615
    United Airlines
    8:40am - 10:02am
    Fri Aug 22nd 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Fri Aug 29th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Fri Aug 29th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$615
    United Airlines
    5:35pm - 6:59pm
    Fri Aug 22nd 2025
    2h 24m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    6:35am - 11:55am
    Fri Aug 29th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 4527 Depart at 5:35pm from Washington, D.C. (IAD) Fly for 2h 24m Arrive at 6:59pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4423 Depart at 6:35am from St. Louis (STL) Fly for 1h 30m Arrive at 8:05am in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Fri Aug 29th 2025 United Airlines · UA 2029 Depart at 8:50am from Chicago (ORD) Fly for 2h 5m Arrive at 11:55am in Washington, D.C. (IAD)

    Book Flight
  • US$615
    United Airlines
    5:35pm - 6:59pm
    Fri Aug 22nd 2025
    2h 24m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United AirlinesUnited Airlines
    9:17am - 2:37pm
    Fri Aug 29th 2025
    4h 20m
    St. Louis (STL) → Washington, D.C. (IAD)
    1 Stop

    Fri Aug 22nd 2025 United Airlines · UA 4527 Depart at 5:35pm from Washington, D.C. (IAD) Fly for 2h 24m Arrive at 6:59pm in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4597 Depart at 9:17am from St. Louis (STL) Fly for 1h 30m Arrive at 10:47am in Chicago (ORD)

    Layover in Chicago for 0h 53m

    Fri Aug 29th 2025 United Airlines · UA 1878 Depart at 11:40am from Chicago (ORD) Fly for 1h 57m Arrive at 2:37pm in Washington, D.C. (IAD)

    Book Flight
  • US$615
    United AirlinesUnited Airlines
    6:35am - 10:40am
    Fri Aug 22nd 2025
    5h 5m
    Washington, D.C. (IAD) → St. Louis (STL)
    1 Stop
    United Airlines
    8:15am - 11:25am
    Fri Aug 29th 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Fri Aug 22nd 2025 United Airlines · UA 2056 Depart at 6:35am from Washington, D.C. (IAD) Fly for 2h 11m Arrive at 7:46am in Chicago (ORD)

    Layover in Chicago for 1h 27m

    Fri Aug 22nd 2025 United Airlines · UA 4613 Depart at 9:13am from Chicago (ORD) Fly for 1h 27m Arrive at 10:40am in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4506 Depart at 8:15am from St. Louis (STL) Fly for 2h 10m Arrive at 11:25am in Washington, D.C. (IAD)

    Book Flight
  • US$707
    United Airlines
    8:40am - 10:02am
    Sat Aug 23rd 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United Airlines
    1:10pm - 4:20pm
    Sat Aug 30th 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Sat Aug 23rd 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 7 nights

    Sat Aug 30th 2025 United Airlines · UA 4454 Depart at 1:10pm from St. Louis (STL) Fly for 2h 10m Arrive at 4:20pm in Washington, D.C. (IAD)

    Book Flight
  • US$721
    United Airlines
    8:40am - 10:02am
    Fri Aug 22nd 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United Airlines
    8:15am - 11:25am
    Fri Aug 29th 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Fri Aug 22nd 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 6 nights

    Fri Aug 29th 2025 United Airlines · UA 4506 Depart at 8:15am from St. Louis (STL) Fly for 2h 10m Arrive at 11:25am in Washington, D.C. (IAD)

    Book Flight
  • US$802
    United Airlines
    8:40am - 10:02am
    Sun Aug 24th 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United Airlines
    1:10pm - 4:20pm
    Sun Aug 24th 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Sun Aug 24th 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 0 nights

    Sun Aug 24th 2025 United Airlines · UA 4454 Depart at 1:10pm from St. Louis (STL) Fly for 2h 10m Arrive at 4:20pm in Washington, D.C. (IAD)

    Book Flight
  • US$855
    United Airlines
    8:40am - 10:02am
    Fri Aug 22nd 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United Airlines
    1:10pm - 4:20pm
    Sun Aug 24th 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Fri Aug 22nd 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 2 nights

    Sun Aug 24th 2025 United Airlines · UA 4454 Depart at 1:10pm from St. Louis (STL) Fly for 2h 10m Arrive at 4:20pm in Washington, D.C. (IAD)

    Book Flight
  • US$1009
    United Airlines
    8:40am - 10:02am
    Fri Aug 22nd 2025
    2h 22m
    Washington, D.C. (IAD) → St. Louis (STL)
    Direct
    United Airlines
    1:10pm - 4:20pm
    Fri Aug 29th 2025
    2h 10m
    St. Louis (STL) → Washington, D.C. (IAD)
    Direct

    Fri Aug 22nd 2025 United Airlines · UA 4427 Depart at 8:40am from Washington, D.C. (IAD) Fly for 2h 22m Arrive at 10:02am in St. Louis (STL)

    Stay in St. Louis for 7 nights

    Fri Aug 29th 2025 United Airlines · UA 4454 Depart at 1:10pm from St. Louis (STL) Fly for 2h 10m Arrive at 4:20pm in Washington, D.C. (IAD)

    Book Flight
@sarahbb1
Sarah Belizaire
@sarahbb1

Have flexible travel plans or looking for alternative routes given the chaos? Check out all the connection possibilities via a super helpful site created by @ismaelyws flightlist.io thanks to @andy_travels for the recommendation #travel #flights

@eyupitsjohn
John Ford
@eyupitsjohn

There seem to be lots of sites launching at the moment that promise to find you cheap flights but not many have the professional finish of Flightlist by @ismaelyws #travel #flights

@oamingsonaa
Roaming Sonaa
@roamingsonaa

For people wanting to maximize their trips, Flightlist is my newest travel hack for uncovering the coolest routes at irresistible prices. No stress, no annoying ads — just seamless flight booking with amazing functionality. It's designed for remote workers, backpackers, and people living abroad.

Read Sonaa's 7 Amazing Skyscanner Alternatives for Booking Travel
@andy_travels
ANDY TRAVELS
@andy_travels

@ismaelyws Just tried out Flightlist for the first time. Really nice idea, well made, and just what I need at the moment 👍

@travelwitbender
Travel With Bender
@travelwitbender

Did you spot my recent article about how to score cheap one way flights? ✈️ FlightList is my new secret tool for discovering cheap routes, within a departure date range. Plus you can also search by country/region for departures & destinations. Powerful! 💪

Read Josh's Ultimate Guide To Find Cheap One Way Flights
@travel.with.wes
Wesley Mergard
@travel.with.wes

One useful tool I've found for evaluating different departure and return dates is called FlightList.io. You can quickly scan different travel date ranges, carriers and one way flight options to easily determine the cheapest flight combinations for your trip.

Read Wesley's My Best Cheap Flight Hacks (Why Pay More?)

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FlightList Blog

Flightlist Interviews 7 Travel Experts On Why They Book One Way Flights
Flightlist Interviews 7 Travel Experts On Why They Book One Way Flights
Why I built FlightList & solved my own problem
Why I Built FlightList & Solved My Own Problem

About FlightList

❝Founded by a remote worker and frequent flyer, who discovered that the best deals come from searching with flexible dates across entire countries or regions. Our streamlined platform strips away the clutter found on typical travel sites, offering a clean interface that focuses solely on finding cost-effective flights. Unlike traditional booking sites, FlightList allows users to search by date ranges and broad destinations, unveiling opportunities that rigid parameters often miss. Our filters let travelers tailor searches to their specific needs, whether they're digital nomads seeking their next adventure or budget-conscious explorers maximizing travel funds. We've made finding cheap flights into a quicker and easier experience, empowering users to discover just how far their budget can take them.❞

Hans Desjarlais, Founder Hans Desjarlais Profile Picture