Flights from Philadelphia to Denver (PHL to DEN)

Discover more affordable routes and cheaper dates from Philadelphia to Denver (PHL to DEN) within a date range.

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US$454

5:40am - 8:12am
Fri Mar 7th 2025

4h 32m
Philadelphia (PHL) → Denver (DEN)

Direct

11:40pm - 5:05am
Thu Mar 13th 2025

3h 25m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 Frontier Airlines · F9 3265 Depart at 5:40am from Philadelphia (PHL) Fly for 4h 32m Arrive at 8:12am in Denver (DEN)

Stay in Denver for 6 nights

Thu Mar 13th 2025 Frontier Airlines · F9 3340 Depart at 11:40pm from Denver (DEN) Fly for 3h 25m Arrive at 5:05am in Philadelphia (PHL)
US$454

5:40am - 8:12am
Fri Mar 7th 2025

4h 32m
Philadelphia (PHL) → Denver (DEN)

Direct

11:45pm - 5:10am
Fri Mar 14th 2025

3h 25m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 Frontier Airlines · F9 3265 Depart at 5:40am from Philadelphia (PHL) Fly for 4h 32m Arrive at 8:12am in Denver (DEN)

Stay in Denver for 7 nights

Fri Mar 14th 2025 Frontier Airlines · F9 3340 Depart at 11:45pm from Denver (DEN) Fly for 3h 25m Arrive at 5:10am in Philadelphia (PHL)
US$530

5:40am - 8:12am
Fri Mar 7th 2025

4h 32m
Philadelphia (PHL) → Denver (DEN)

Direct

11:45pm - 5:10am
Sat Mar 15th 2025

3h 25m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 Frontier Airlines · F9 3265 Depart at 5:40am from Philadelphia (PHL) Fly for 4h 32m Arrive at 8:12am in Denver (DEN)

Stay in Denver for 8 nights

Sat Mar 15th 2025 Frontier Airlines · F9 3340 Depart at 11:45pm from Denver (DEN) Fly for 3h 25m Arrive at 5:10am in Philadelphia (PHL)
US$765

8:00am - 10:29am
Fri Mar 7th 2025

4h 29m
Philadelphia (PHL) → Denver (DEN)

Direct

10:04am - 3:35pm
Thu Mar 13th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 2383 Depart at 8:00am from Philadelphia (PHL) Fly for 4h 29m Arrive at 10:29am in Denver (DEN)

Stay in Denver for 5 nights

Thu Mar 13th 2025 United Airlines · UA 1575 Depart at 10:04am from Denver (DEN) Fly for 3h 31m Arrive at 3:35pm in Philadelphia (PHL)
US$765

8:00am - 10:29am
Fri Mar 7th 2025

4h 29m
Philadelphia (PHL) → Denver (DEN)

Direct

11:59pm - 5:30am
Thu Mar 13th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 2383 Depart at 8:00am from Philadelphia (PHL) Fly for 4h 29m Arrive at 10:29am in Denver (DEN)

Stay in Denver for 6 nights

Thu Mar 13th 2025 United Airlines · UA 1218 Depart at 11:59pm from Denver (DEN) Fly for 3h 31m Arrive at 5:30am in Philadelphia (PHL)
US$776

6:30am - 10:35am
Fri Mar 7th 2025

6h 5m
Philadelphia (PHL) → Denver (DEN)

1 Stop

11:59pm - 5:30am
Thu Mar 13th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 4614 Depart at 6:30am from Philadelphia (PHL) Fly for 1h 5m Arrive at 7:35am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 55m

Fri Mar 7th 2025 United Airlines · UA 468 Depart at 8:30am from Washington, D.C. (IAD) Fly for 4h 5m Arrive at 10:35am in Denver (DEN)

Stay in Denver for 6 nights

Thu Mar 13th 2025 United Airlines · UA 1218 Depart at 11:59pm from Denver (DEN) Fly for 3h 31m Arrive at 5:30am in Philadelphia (PHL)
US$776

10:35am - 2:47pm
Fri Mar 7th 2025

6h 12m
Philadelphia (PHL) → Denver (DEN)

1 Stop

11:59pm - 5:30am
Thu Mar 13th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 4464 Depart at 10:35am from Philadelphia (PHL) Fly for 1h 7m Arrive at 11:42am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 53m

Fri Mar 7th 2025 United Airlines · UA 2410 Depart at 12:35pm from Washington, D.C. (IAD) Fly for 4h 12m Arrive at 2:47pm in Denver (DEN)

Stay in Denver for 6 nights

Thu Mar 13th 2025 United Airlines · UA 1218 Depart at 11:59pm from Denver (DEN) Fly for 3h 31m Arrive at 5:30am in Philadelphia (PHL)
US$776

6:00am - 10:35am
Fri Mar 7th 2025

6h 35m
Philadelphia (PHL) → Denver (DEN)

1 Stop

11:59pm - 5:30am
Thu Mar 13th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 1857 Depart at 6:00am from Philadelphia (PHL) Fly for 2h 31m Arrive at 7:31am in Chicago (ORD)

Layover in Chicago for 1h 14m

Fri Mar 7th 2025 United Airlines · UA 1599 Depart at 8:45am from Chicago (ORD) Fly for 2h 50m Arrive at 10:35am in Denver (DEN)

Stay in Denver for 6 nights

Thu Mar 13th 2025 United Airlines · UA 1218 Depart at 11:59pm from Denver (DEN) Fly for 3h 31m Arrive at 5:30am in Philadelphia (PHL)
US$776

11:50am - 4:28pm
Fri Mar 7th 2025

6h 38m
Philadelphia (PHL) → Denver (DEN)

1 Stop

11:59pm - 5:30am
Thu Mar 13th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 2394 Depart at 11:50am from Philadelphia (PHL) Fly for 2h 32m Arrive at 1:22pm in Chicago (ORD)

Layover in Chicago for 1h 13m

Fri Mar 7th 2025 United Airlines · UA 1823 Depart at 2:35pm from Chicago (ORD) Fly for 2h 53m Arrive at 4:28pm in Denver (DEN)

Stay in Denver for 6 nights

Thu Mar 13th 2025 United Airlines · UA 1218 Depart at 11:59pm from Denver (DEN) Fly for 3h 31m Arrive at 5:30am in Philadelphia (PHL)
US$852

6:30am - 10:35am
Fri Mar 7th 2025

6h 5m
Philadelphia (PHL) → Denver (DEN)

1 Stop

10:04am - 3:35pm
Thu Mar 13th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 4614 Depart at 6:30am from Philadelphia (PHL) Fly for 1h 5m Arrive at 7:35am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 55m

Fri Mar 7th 2025 United Airlines · UA 468 Depart at 8:30am from Washington, D.C. (IAD) Fly for 4h 5m Arrive at 10:35am in Denver (DEN)

Stay in Denver for 5 nights

Thu Mar 13th 2025 United Airlines · UA 1575 Depart at 10:04am from Denver (DEN) Fly for 3h 31m Arrive at 3:35pm in Philadelphia (PHL)
US$852

10:35am - 2:47pm
Fri Mar 7th 2025

6h 12m
Philadelphia (PHL) → Denver (DEN)

1 Stop

10:04am - 3:35pm
Thu Mar 13th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 4464 Depart at 10:35am from Philadelphia (PHL) Fly for 1h 7m Arrive at 11:42am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 53m

Fri Mar 7th 2025 United Airlines · UA 2410 Depart at 12:35pm from Washington, D.C. (IAD) Fly for 4h 12m Arrive at 2:47pm in Denver (DEN)

Stay in Denver for 5 nights

Thu Mar 13th 2025 United Airlines · UA 1575 Depart at 10:04am from Denver (DEN) Fly for 3h 31m Arrive at 3:35pm in Philadelphia (PHL)
US$852

6:00am - 10:35am
Fri Mar 7th 2025

6h 35m
Philadelphia (PHL) → Denver (DEN)

1 Stop

10:04am - 3:35pm
Thu Mar 13th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 1857 Depart at 6:00am from Philadelphia (PHL) Fly for 2h 31m Arrive at 7:31am in Chicago (ORD)

Layover in Chicago for 1h 14m

Fri Mar 7th 2025 United Airlines · UA 1599 Depart at 8:45am from Chicago (ORD) Fly for 2h 50m Arrive at 10:35am in Denver (DEN)

Stay in Denver for 5 nights

Thu Mar 13th 2025 United Airlines · UA 1575 Depart at 10:04am from Denver (DEN) Fly for 3h 31m Arrive at 3:35pm in Philadelphia (PHL)
US$852

11:50am - 4:28pm
Fri Mar 7th 2025

6h 38m
Philadelphia (PHL) → Denver (DEN)

1 Stop

10:04am - 3:35pm
Thu Mar 13th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 2394 Depart at 11:50am from Philadelphia (PHL) Fly for 2h 32m Arrive at 1:22pm in Chicago (ORD)

Layover in Chicago for 1h 13m

Fri Mar 7th 2025 United Airlines · UA 1823 Depart at 2:35pm from Chicago (ORD) Fly for 2h 53m Arrive at 4:28pm in Denver (DEN)

Stay in Denver for 5 nights

Thu Mar 13th 2025 United Airlines · UA 1575 Depart at 10:04am from Denver (DEN) Fly for 3h 31m Arrive at 3:35pm in Philadelphia (PHL)
US$897

3:13pm - 5:42pm
Fri Mar 7th 2025

4h 29m
Philadelphia (PHL) → Denver (DEN)

Direct

10:04am - 3:35pm
Sat Mar 15th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 478 Depart at 3:13pm from Philadelphia (PHL) Fly for 4h 29m Arrive at 5:42pm in Denver (DEN)

Stay in Denver for 7 nights

Sat Mar 15th 2025 United Airlines · UA 1575 Depart at 10:04am from Denver (DEN) Fly for 3h 31m Arrive at 3:35pm in Philadelphia (PHL)
US$897

8:00am - 10:29am
Fri Mar 7th 2025

4h 29m
Philadelphia (PHL) → Denver (DEN)

Direct

10:04am - 3:35pm
Sat Mar 15th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 2383 Depart at 8:00am from Philadelphia (PHL) Fly for 4h 29m Arrive at 10:29am in Denver (DEN)

Stay in Denver for 7 nights

Sat Mar 15th 2025 United Airlines · UA 1575 Depart at 10:04am from Denver (DEN) Fly for 3h 31m Arrive at 3:35pm in Philadelphia (PHL)
US$897

8:00am - 10:29am
Fri Mar 7th 2025

4h 29m
Philadelphia (PHL) → Denver (DEN)

Direct

6:05pm - 11:36pm
Fri Mar 14th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 2383 Depart at 8:00am from Philadelphia (PHL) Fly for 4h 29m Arrive at 10:29am in Denver (DEN)

Stay in Denver for 7 nights

Fri Mar 14th 2025 United Airlines · UA 1937 Depart at 6:05pm from Denver (DEN) Fly for 3h 31m Arrive at 11:36pm in Philadelphia (PHL)
US$897

3:13pm - 5:42pm
Fri Mar 7th 2025

4h 29m
Philadelphia (PHL) → Denver (DEN)

Direct

6:05pm - 11:36pm
Fri Mar 14th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 478 Depart at 3:13pm from Philadelphia (PHL) Fly for 4h 29m Arrive at 5:42pm in Denver (DEN)

Stay in Denver for 7 nights

Fri Mar 14th 2025 United Airlines · UA 1937 Depart at 6:05pm from Denver (DEN) Fly for 3h 31m Arrive at 11:36pm in Philadelphia (PHL)
US$906

6:00am - 12:45pm
Fri Mar 7th 2025

8h 45m
Philadelphia (PHL) → Denver (DEN)

1 Stop

6:05pm - 11:36pm
Fri Mar 14th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 1857 Depart at 6:00am from Philadelphia (PHL) Fly for 2h 31m Arrive at 7:31am in Chicago (ORD)

Layover in Chicago for 3h 19m

Fri Mar 7th 2025 United Airlines · UA 1803 Depart at 10:50am from Chicago (ORD) Fly for 2h 55m Arrive at 12:45pm in Denver (DEN)

Stay in Denver for 7 nights

Fri Mar 14th 2025 United Airlines · UA 1937 Depart at 6:05pm from Denver (DEN) Fly for 3h 31m Arrive at 11:36pm in Philadelphia (PHL)
US$908

10:35am - 2:47pm
Fri Mar 7th 2025

6h 12m
Philadelphia (PHL) → Denver (DEN)

1 Stop

10:04am - 3:35pm
Sat Mar 15th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 4464 Depart at 10:35am from Philadelphia (PHL) Fly for 1h 7m Arrive at 11:42am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 53m

Fri Mar 7th 2025 United Airlines · UA 2410 Depart at 12:35pm from Washington, D.C. (IAD) Fly for 4h 12m Arrive at 2:47pm in Denver (DEN)

Stay in Denver for 7 nights

Sat Mar 15th 2025 United Airlines · UA 1575 Depart at 10:04am from Denver (DEN) Fly for 3h 31m Arrive at 3:35pm in Philadelphia (PHL)
US$908

10:35am - 2:47pm
Fri Mar 7th 2025

6h 12m
Philadelphia (PHL) → Denver (DEN)

1 Stop

6:05pm - 11:36pm
Fri Mar 14th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 4464 Depart at 10:35am from Philadelphia (PHL) Fly for 1h 7m Arrive at 11:42am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 53m

Fri Mar 7th 2025 United Airlines · UA 2410 Depart at 12:35pm from Washington, D.C. (IAD) Fly for 4h 12m Arrive at 2:47pm in Denver (DEN)

Stay in Denver for 7 nights

Fri Mar 14th 2025 United Airlines · UA 1937 Depart at 6:05pm from Denver (DEN) Fly for 3h 31m Arrive at 11:36pm in Philadelphia (PHL)
US$908

6:00am - 10:35am
Fri Mar 7th 2025

6h 35m
Philadelphia (PHL) → Denver (DEN)

1 Stop

10:04am - 3:35pm
Sat Mar 15th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 1857 Depart at 6:00am from Philadelphia (PHL) Fly for 2h 31m Arrive at 7:31am in Chicago (ORD)

Layover in Chicago for 1h 14m

Fri Mar 7th 2025 United Airlines · UA 1599 Depart at 8:45am from Chicago (ORD) Fly for 2h 50m Arrive at 10:35am in Denver (DEN)

Stay in Denver for 7 nights

Sat Mar 15th 2025 United Airlines · UA 1575 Depart at 10:04am from Denver (DEN) Fly for 3h 31m Arrive at 3:35pm in Philadelphia (PHL)
US$908

6:00am - 10:35am
Fri Mar 7th 2025

6h 35m
Philadelphia (PHL) → Denver (DEN)

1 Stop

6:05pm - 11:36pm
Fri Mar 14th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 1857 Depart at 6:00am from Philadelphia (PHL) Fly for 2h 31m Arrive at 7:31am in Chicago (ORD)

Layover in Chicago for 1h 14m

Fri Mar 7th 2025 United Airlines · UA 1599 Depart at 8:45am from Chicago (ORD) Fly for 2h 50m Arrive at 10:35am in Denver (DEN)

Stay in Denver for 7 nights

Fri Mar 14th 2025 United Airlines · UA 1937 Depart at 6:05pm from Denver (DEN) Fly for 3h 31m Arrive at 11:36pm in Philadelphia (PHL)
US$908

11:50am - 4:28pm
Fri Mar 7th 2025

6h 38m
Philadelphia (PHL) → Denver (DEN)

1 Stop

10:04am - 3:35pm
Sat Mar 15th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 2394 Depart at 11:50am from Philadelphia (PHL) Fly for 2h 32m Arrive at 1:22pm in Chicago (ORD)

Layover in Chicago for 1h 13m

Fri Mar 7th 2025 United Airlines · UA 1823 Depart at 2:35pm from Chicago (ORD) Fly for 2h 53m Arrive at 4:28pm in Denver (DEN)

Stay in Denver for 7 nights

Sat Mar 15th 2025 United Airlines · UA 1575 Depart at 10:04am from Denver (DEN) Fly for 3h 31m Arrive at 3:35pm in Philadelphia (PHL)
US$908

11:50am - 4:28pm
Fri Mar 7th 2025

6h 38m
Philadelphia (PHL) → Denver (DEN)

1 Stop

6:05pm - 11:36pm
Fri Mar 14th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 2394 Depart at 11:50am from Philadelphia (PHL) Fly for 2h 32m Arrive at 1:22pm in Chicago (ORD)

Layover in Chicago for 1h 13m

Fri Mar 7th 2025 United Airlines · UA 1823 Depart at 2:35pm from Chicago (ORD) Fly for 2h 53m Arrive at 4:28pm in Denver (DEN)

Stay in Denver for 7 nights

Fri Mar 14th 2025 United Airlines · UA 1937 Depart at 6:05pm from Denver (DEN) Fly for 3h 31m Arrive at 11:36pm in Philadelphia (PHL)
US$908

6:45pm - 11:30pm
Fri Mar 7th 2025

6h 45m
Philadelphia (PHL) → Denver (DEN)

1 Stop

10:04am - 3:35pm
Sat Mar 15th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 1720 Depart at 6:45pm from Philadelphia (PHL) Fly for 2h 33m Arrive at 8:18pm in Chicago (ORD)

Layover in Chicago for 1h 20m

Fri Mar 7th 2025 United Airlines · UA 767 Depart at 9:38pm from Chicago (ORD) Fly for 2h 52m Arrive at 11:30pm in Denver (DEN)

Stay in Denver for 7 nights

Sat Mar 15th 2025 United Airlines · UA 1575 Depart at 10:04am from Denver (DEN) Fly for 3h 31m Arrive at 3:35pm in Philadelphia (PHL)
US$926

3:13pm - 5:42pm
Fri Mar 7th 2025

4h 29m
Philadelphia (PHL) → Denver (DEN)

Direct

5:45pm - 11:16pm
Sat Mar 15th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 478 Depart at 3:13pm from Philadelphia (PHL) Fly for 4h 29m Arrive at 5:42pm in Denver (DEN)

Stay in Denver for 8 nights

Sat Mar 15th 2025 United Airlines · UA 1937 Depart at 5:45pm from Denver (DEN) Fly for 3h 31m Arrive at 11:16pm in Philadelphia (PHL)
US$926

8:00am - 10:29am
Fri Mar 7th 2025

4h 29m
Philadelphia (PHL) → Denver (DEN)

Direct

5:45pm - 11:16pm
Sat Mar 15th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 2383 Depart at 8:00am from Philadelphia (PHL) Fly for 4h 29m Arrive at 10:29am in Denver (DEN)

Stay in Denver for 8 nights

Sat Mar 15th 2025 United Airlines · UA 1937 Depart at 5:45pm from Denver (DEN) Fly for 3h 31m Arrive at 11:16pm in Philadelphia (PHL)
US$934

6:00am - 10:35am
Fri Mar 7th 2025

6h 35m
Philadelphia (PHL) → Denver (DEN)

1 Stop

5:45pm - 11:16pm
Sat Mar 15th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 1857 Depart at 6:00am from Philadelphia (PHL) Fly for 2h 31m Arrive at 7:31am in Chicago (ORD)

Layover in Chicago for 1h 14m

Fri Mar 7th 2025 United Airlines · UA 1599 Depart at 8:45am from Chicago (ORD) Fly for 2h 50m Arrive at 10:35am in Denver (DEN)

Stay in Denver for 8 nights

Sat Mar 15th 2025 United Airlines · UA 1937 Depart at 5:45pm from Denver (DEN) Fly for 3h 31m Arrive at 11:16pm in Philadelphia (PHL)
US$934

11:50am - 4:28pm
Fri Mar 7th 2025

6h 38m
Philadelphia (PHL) → Denver (DEN)

1 Stop

5:45pm - 11:16pm
Sat Mar 15th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 2394 Depart at 11:50am from Philadelphia (PHL) Fly for 2h 32m Arrive at 1:22pm in Chicago (ORD)

Layover in Chicago for 1h 13m

Fri Mar 7th 2025 United Airlines · UA 1823 Depart at 2:35pm from Chicago (ORD) Fly for 2h 53m Arrive at 4:28pm in Denver (DEN)

Stay in Denver for 8 nights

Sat Mar 15th 2025 United Airlines · UA 1937 Depart at 5:45pm from Denver (DEN) Fly for 3h 31m Arrive at 11:16pm in Philadelphia (PHL)
US$934

6:45pm - 11:30pm
Fri Mar 7th 2025

6h 45m
Philadelphia (PHL) → Denver (DEN)

1 Stop

5:45pm - 11:16pm
Sat Mar 15th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 1720 Depart at 6:45pm from Philadelphia (PHL) Fly for 2h 33m Arrive at 8:18pm in Chicago (ORD)

Layover in Chicago for 1h 20m

Fri Mar 7th 2025 United Airlines · UA 767 Depart at 9:38pm from Chicago (ORD) Fly for 2h 52m Arrive at 11:30pm in Denver (DEN)

Stay in Denver for 7 nights

Sat Mar 15th 2025 United Airlines · UA 1937 Depart at 5:45pm from Denver (DEN) Fly for 3h 31m Arrive at 11:16pm in Philadelphia (PHL)
US$934

8:00am - 10:29am
Fri Mar 7th 2025

4h 29m
Philadelphia (PHL) → Denver (DEN)

Direct

11:20am - 9:20pm
Sat Mar 15th 2025

8h 0m
Denver (DEN) → Philadelphia (PHL)

1 Stop

Fri Mar 7th 2025 United Airlines · UA 2383 Depart at 8:00am from Philadelphia (PHL) Fly for 4h 29m Arrive at 10:29am in Denver (DEN)

Stay in Denver for 8 nights

Sat Mar 15th 2025 United Airlines · UA 1727 Depart at 11:20am from Denver (DEN) Fly for 2h 34m Arrive at 2:54pm in Chicago (ORD)

Layover in Chicago for 3h 21m

Sat Mar 15th 2025 United Airlines · UA 1776 Depart at 6:15pm from Chicago (ORD) Fly for 2h 5m Arrive at 9:20pm in Philadelphia (PHL)
US$950

8:00am - 10:29am
Fri Mar 7th 2025

4h 29m
Philadelphia (PHL) → Denver (DEN)

Direct

10:04am - 3:35pm
Fri Mar 14th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 2383 Depart at 8:00am from Philadelphia (PHL) Fly for 4h 29m Arrive at 10:29am in Denver (DEN)

Stay in Denver for 6 nights

Fri Mar 14th 2025 United Airlines · UA 1575 Depart at 10:04am from Denver (DEN) Fly for 3h 31m Arrive at 3:35pm in Philadelphia (PHL)
US$960

6:00am - 10:35am
Fri Mar 7th 2025

6h 35m
Philadelphia (PHL) → Denver (DEN)

1 Stop

10:04am - 3:35pm
Fri Mar 14th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 1857 Depart at 6:00am from Philadelphia (PHL) Fly for 2h 31m Arrive at 7:31am in Chicago (ORD)

Layover in Chicago for 1h 14m

Fri Mar 7th 2025 United Airlines · UA 1599 Depart at 8:45am from Chicago (ORD) Fly for 2h 50m Arrive at 10:35am in Denver (DEN)

Stay in Denver for 6 nights

Fri Mar 14th 2025 United Airlines · UA 1575 Depart at 10:04am from Denver (DEN) Fly for 3h 31m Arrive at 3:35pm in Philadelphia (PHL)
US$960

11:50am - 4:28pm
Fri Mar 7th 2025

6h 38m
Philadelphia (PHL) → Denver (DEN)

1 Stop

10:04am - 3:35pm
Fri Mar 14th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 2394 Depart at 11:50am from Philadelphia (PHL) Fly for 2h 32m Arrive at 1:22pm in Chicago (ORD)

Layover in Chicago for 1h 13m

Fri Mar 7th 2025 United Airlines · UA 1823 Depart at 2:35pm from Chicago (ORD) Fly for 2h 53m Arrive at 4:28pm in Denver (DEN)

Stay in Denver for 6 nights

Fri Mar 14th 2025 United Airlines · UA 1575 Depart at 10:04am from Denver (DEN) Fly for 3h 31m Arrive at 3:35pm in Philadelphia (PHL)
US$991

10:35am - 2:47pm
Fri Mar 7th 2025

6h 12m
Philadelphia (PHL) → Denver (DEN)

1 Stop

5:45pm - 11:16pm
Sat Mar 15th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 4464 Depart at 10:35am from Philadelphia (PHL) Fly for 1h 7m Arrive at 11:42am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 53m

Fri Mar 7th 2025 United Airlines · UA 2410 Depart at 12:35pm from Washington, D.C. (IAD) Fly for 4h 12m Arrive at 2:47pm in Denver (DEN)

Stay in Denver for 8 nights

Sat Mar 15th 2025 United Airlines · UA 1937 Depart at 5:45pm from Denver (DEN) Fly for 3h 31m Arrive at 11:16pm in Philadelphia (PHL)
US$991

3:13pm - 5:42pm
Fri Mar 7th 2025

4h 29m
Philadelphia (PHL) → Denver (DEN)

Direct

9:40am - 5:33pm
Sat Mar 15th 2025

5h 53m
Denver (DEN) → Philadelphia (PHL)

1 Stop

Fri Mar 7th 2025 United Airlines · UA 478 Depart at 3:13pm from Philadelphia (PHL) Fly for 4h 29m Arrive at 5:42pm in Denver (DEN)

Stay in Denver for 7 nights

Sat Mar 15th 2025 United Airlines · UA 2329 Depart at 9:40am from Denver (DEN) Fly for 2h 34m Arrive at 1:14pm in Chicago (ORD)

Layover in Chicago for 1h 19m

Sat Mar 15th 2025 United Airlines · UA 664 Depart at 2:33pm from Chicago (ORD) Fly for 2h 0m Arrive at 5:33pm in Philadelphia (PHL)
US$1101

10:35am - 2:47pm
Fri Mar 7th 2025

6h 12m
Philadelphia (PHL) → Denver (DEN)

1 Stop

10:04am - 3:35pm
Fri Mar 14th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 4464 Depart at 10:35am from Philadelphia (PHL) Fly for 1h 7m Arrive at 11:42am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 53m

Fri Mar 7th 2025 United Airlines · UA 2410 Depart at 12:35pm from Washington, D.C. (IAD) Fly for 4h 12m Arrive at 2:47pm in Denver (DEN)

Stay in Denver for 6 nights

Fri Mar 14th 2025 United Airlines · UA 1575 Depart at 10:04am from Denver (DEN) Fly for 3h 31m Arrive at 3:35pm in Philadelphia (PHL)
US$1191

3:13pm - 5:42pm
Fri Mar 7th 2025

4h 29m
Philadelphia (PHL) → Denver (DEN)

Direct

10:04am - 3:35pm
Fri Mar 14th 2025

3h 31m
Denver (DEN) → Philadelphia (PHL)

Direct

Fri Mar 7th 2025 United Airlines · UA 478 Depart at 3:13pm from Philadelphia (PHL) Fly for 4h 29m Arrive at 5:42pm in Denver (DEN)

Stay in Denver for 6 nights

Fri Mar 14th 2025 United Airlines · UA 1575 Depart at 10:04am from Denver (DEN) Fly for 3h 31m Arrive at 3:35pm in Philadelphia (PHL)
US$1271

10:35am - 2:47pm
Fri Mar 7th 2025

6h 12m
Philadelphia (PHL) → Denver (DEN)

1 Stop

12:38pm - 5:25pm
Fri Mar 14th 2025

26h 47m
Denver (DEN) → Philadelphia (PHL)

1 Stop

Fri Mar 7th 2025 United Airlines · UA 4464 Depart at 10:35am from Philadelphia (PHL) Fly for 1h 7m Arrive at 11:42am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 53m

Fri Mar 7th 2025 United Airlines · UA 2410 Depart at 12:35pm from Washington, D.C. (IAD) Fly for 4h 12m Arrive at 2:47pm in Denver (DEN)

Stay in Denver for 6 nights

Fri Mar 14th 2025 Hawaiian Airlines · HA 4869 Depart at 12:38pm from Denver (DEN) Fly for 3h 7m Arrive at 2:45pm in Seattle (SEA)

Layover in Seattle for 18h 30m

Sat Mar 15th 2025 Hawaiian Airlines · HA 6840 Depart at 9:15am from Seattle (SEA) Fly for 5h 10m Arrive at 5:25pm in Philadelphia (PHL)

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

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

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.

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 👍

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! 💪

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.

Flights from Philadelphia to Denver (PHL to DEN)

Sarah Belizaire

John Ford

Roaming Sonaa

Andy Travels

Travel With Bender

Wesley Mergard

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