Cheap Flights from Baltimore to Denver (BWI to DEN)

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

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US$431

5:20pm - 7:25pm
Fri Jul 25th 2025

4h 5m
Washington, D.C. (BWI) → Denver (DEN)

Direct

Fri Jul 25th 2025 Frontier Airlines · F9 2705 Depart at 5:20pm from Washington, D.C. (BWI) Fly for 4h 5m Arrive at 7:25pm in Denver (DEN)
US$431

5:20pm - 7:25pm
Sat Jul 26th 2025

4h 5m
Washington, D.C. (BWI) → Denver (DEN)

Direct

Sat Jul 26th 2025 Frontier Airlines · F9 2705 Depart at 5:20pm from Washington, D.C. (BWI) Fly for 4h 5m Arrive at 7:25pm in Denver (DEN)
US$631

6:15am - 10:35am
Sat Jul 26th 2025

6h 20m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Sat Jul 26th 2025 United Airlines · UA 224 Depart at 6:15am from Washington, D.C. (BWI) Fly for 2h 15m Arrive at 7:30am in Chicago (ORD)

Layover in Chicago for 1h 15m

Sat Jul 26th 2025 United Airlines · UA 1599 Depart at 8:45am from Chicago (ORD) Fly for 2h 50m Arrive at 10:35am in Denver (DEN)
US$710

8:28pm - 6:49am
Sat Jul 26th 2025

12h 21m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Sat Jul 26th 2025 Frontier Airlines · F9 1475 Depart at 8:28pm from Washington, D.C. (BWI) Fly for 3h 32m Arrive at 11:00pm in Dallas (DFW)

Layover in Dallas for 6h 35m

Sun Jul 27th 2025 Frontier Airlines · F9 2147 Depart at 5:35am from Dallas (DFW) Fly for 2h 14m Arrive at 6:49am in Denver (DEN)
US$710

6:45am - 5:19pm
Sat Jul 26th 2025

12h 34m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Sat Jul 26th 2025 Frontier Airlines · F9 4091 Depart at 6:45am from Washington, D.C. (BWI) Fly for 2h 28m Arrive at 9:13am in Tampa (TPA)

Layover in Tampa for 5h 57m

Sat Jul 26th 2025 Frontier Airlines · F9 3517 Depart at 3:10pm from Tampa (TPA) Fly for 4h 9m Arrive at 5:19pm in Denver (DEN)
US$795

8:28pm - 6:39am
Thu Jul 24th 2025

12h 11m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Thu Jul 24th 2025 Frontier Airlines · F9 1475 Depart at 8:28pm from Washington, D.C. (BWI) Fly for 3h 32m Arrive at 11:00pm in Dallas (DFW)

Layover in Dallas for 6h 20m

Fri Jul 25th 2025 Frontier Airlines · F9 2147 Depart at 5:20am from Dallas (DFW) Fly for 2h 19m Arrive at 6:39am in Denver (DEN)
US$795

10:39am - 9:20pm
Thu Jul 24th 2025

12h 41m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Thu Jul 24th 2025 Frontier Airlines · F9 1079 Depart at 10:39am from Washington, D.C. (BWI) Fly for 2h 2m Arrive at 12:41pm in Atlanta (ATL)

Layover in Atlanta for 7h 13m

Thu Jul 24th 2025 Frontier Airlines · F9 1449 Depart at 7:54pm from Atlanta (ATL) Fly for 3h 26m Arrive at 9:20pm in Denver (DEN)
US$795

7:37pm - 8:21am
Sun Jul 27th 2025

14h 44m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Sun Jul 27th 2025 Frontier Airlines · F9 1665 Depart at 7:37pm from Washington, D.C. (BWI) Fly for 2h 49m Arrive at 10:26pm in Miami (MIA)

Layover in Miami for 7h 34m

Mon Jul 28th 2025 Frontier Airlines · F9 1279 Depart at 6:00am from Miami (MIA) Fly for 4h 21m Arrive at 8:21am in Denver (DEN)
US$795

2:59pm - 8:02am
Sun Jul 27th 2025

19h 3m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Sun Jul 27th 2025 Frontier Airlines · F9 4003 Depart at 2:59pm from Washington, D.C. (BWI) Fly for 2h 36m Arrive at 5:35pm in Orlando (MCO)

Layover in Orlando for 12h 25m

Mon Jul 28th 2025 Frontier Airlines · F9 1733 Depart at 6:00am from Orlando (MCO) Fly for 4h 2m Arrive at 8:02am in Denver (DEN)
US$824

12:25pm - 6:01pm
Thu Jul 24th 2025

7h 36m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Thu Jul 24th 2025 Sun Country Airlines · SY 194 Depart at 12:25pm from Washington, D.C. (BWI) Fly for 2h 41m Arrive at 2:06pm in Minneapolis (MSP)

Layover in Minneapolis for 2h 48m

Thu Jul 24th 2025 Sun Country Airlines · SY 657 Depart at 4:54pm from Minneapolis (MSP) Fly for 2h 7m Arrive at 6:01pm in Denver (DEN)
US$862

4:20pm - 6:16pm
Sat Jul 26th 2025

3h 56m
Washington, D.C. (BWI) → Denver (DEN)

Direct

Sat Jul 26th 2025 United Airlines · UA 2012 Depart at 4:20pm from Washington, D.C. (BWI) Fly for 3h 56m Arrive at 6:16pm in Denver (DEN)
US$862

10:05am - 12:03pm
Fri Jul 25th 2025

3h 58m
Washington, D.C. (BWI) → Denver (DEN)

Direct

Fri Jul 25th 2025 United Airlines · UA 493 Depart at 10:05am from Washington, D.C. (BWI) Fly for 3h 58m Arrive at 12:03pm in Denver (DEN)
US$969

4:20pm - 6:16pm
Fri Jul 25th 2025

3h 56m
Washington, D.C. (BWI) → Denver (DEN)

Direct

Fri Jul 25th 2025 United Airlines · UA 2012 Depart at 4:20pm from Washington, D.C. (BWI) Fly for 3h 56m Arrive at 6:16pm in Denver (DEN)
US$969

4:20pm - 6:16pm
Thu Jul 24th 2025

3h 56m
Washington, D.C. (BWI) → Denver (DEN)

Direct

Thu Jul 24th 2025 United Airlines · UA 2012 Depart at 4:20pm from Washington, D.C. (BWI) Fly for 3h 56m Arrive at 6:16pm in Denver (DEN)
US$984

10:59am - 4:27pm
Sat Jul 26th 2025

7h 28m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Sat Jul 26th 2025 United Airlines · UA 455 Depart at 10:59am from Washington, D.C. (BWI) Fly for 2h 15m Arrive at 12:14pm in Chicago (ORD)

Layover in Chicago for 2h 21m

Sat Jul 26th 2025 United Airlines · UA 503 Depart at 2:35pm from Chicago (ORD) Fly for 2h 52m Arrive at 4:27pm in Denver (DEN)
US$1002

6:50pm - 11:22pm
Fri Jul 25th 2025

6h 32m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Fri Jul 25th 2025 United Airlines · UA 5396 Depart at 6:50pm from Washington, D.C. (BWI) Fly for 2h 20m Arrive at 8:10pm in Chicago (ORD)

Layover in Chicago for 1h 22m

Fri Jul 25th 2025 United Airlines · UA 1748 Depart at 9:32pm from Chicago (ORD) Fly for 2h 50m Arrive at 11:22pm in Denver (DEN)
US$1008

8:28pm - 6:39am
Sun Jul 27th 2025

12h 11m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Sun Jul 27th 2025 Frontier Airlines · F9 1475 Depart at 8:28pm from Washington, D.C. (BWI) Fly for 3h 32m Arrive at 11:00pm in Dallas (DFW)

Layover in Dallas for 6h 20m

Mon Jul 28th 2025 Frontier Airlines · F9 2147 Depart at 5:20am from Dallas (DFW) Fly for 2h 19m Arrive at 6:39am in Denver (DEN)
US$1008

10:34am - 9:20pm
Sun Jul 27th 2025

12h 46m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Sun Jul 27th 2025 Frontier Airlines · F9 1079 Depart at 10:34am from Washington, D.C. (BWI) Fly for 2h 1m Arrive at 12:35pm in Atlanta (ATL)

Layover in Atlanta for 7h 19m

Sun Jul 27th 2025 Frontier Airlines · F9 1449 Depart at 7:54pm from Atlanta (ATL) Fly for 3h 26m Arrive at 9:20pm in Denver (DEN)
US$1123

6:15am - 4:27pm
Sun Jul 27th 2025

12h 12m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Sun Jul 27th 2025 United Airlines · UA 224 Depart at 6:15am from Washington, D.C. (BWI) Fly for 2h 15m Arrive at 7:30am in Chicago (ORD)

Layover in Chicago for 7h 5m

Sun Jul 27th 2025 United Airlines · UA 503 Depart at 2:35pm from Chicago (ORD) Fly for 2h 52m Arrive at 4:27pm in Denver (DEN)
US$1236

2:59pm - 11:11pm
Sun Jul 27th 2025

10h 12m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Sun Jul 27th 2025 Frontier Airlines · F9 4003 Depart at 2:59pm from Washington, D.C. (BWI) Fly for 2h 36m Arrive at 5:35pm in Orlando (MCO)

Layover in Orlando for 3h 24m

Sun Jul 27th 2025 Frontier Airlines · F9 3311 Depart at 8:59pm from Orlando (MCO) Fly for 4h 12m Arrive at 11:11pm in Denver (DEN)
US$1245

10:05am - 12:03pm
Sat Jul 26th 2025

3h 58m
Washington, D.C. (BWI) → Denver (DEN)

Direct

Sat Jul 26th 2025 United Airlines · UA 493 Depart at 10:05am from Washington, D.C. (BWI) Fly for 3h 58m Arrive at 12:03pm in Denver (DEN)
US$1245

8:10am - 10:08am
Thu Jul 24th 2025

3h 58m
Washington, D.C. (BWI) → Denver (DEN)

Direct

Thu Jul 24th 2025 United Airlines · UA 1318 Depart at 8:10am from Washington, D.C. (BWI) Fly for 3h 58m Arrive at 10:08am in Denver (DEN)
US$1245

10:05am - 12:03pm
Thu Jul 24th 2025

3h 58m
Washington, D.C. (BWI) → Denver (DEN)

Direct

Thu Jul 24th 2025 United Airlines · UA 493 Depart at 10:05am from Washington, D.C. (BWI) Fly for 3h 58m Arrive at 12:03pm in Denver (DEN)
US$1245

10:05am - 12:03pm
Sun Jul 27th 2025

3h 58m
Washington, D.C. (BWI) → Denver (DEN)

Direct

Sun Jul 27th 2025 United Airlines · UA 493 Depart at 10:05am from Washington, D.C. (BWI) Fly for 3h 58m Arrive at 12:03pm in Denver (DEN)
US$1245

8:10am - 10:08am
Sun Jul 27th 2025

3h 58m
Washington, D.C. (BWI) → Denver (DEN)

Direct

Sun Jul 27th 2025 United Airlines · UA 1318 Depart at 8:10am from Washington, D.C. (BWI) Fly for 3h 58m Arrive at 10:08am in Denver (DEN)
US$1260

10:59am - 2:46pm
Sat Jul 26th 2025

5h 47m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Sat Jul 26th 2025 United Airlines · UA 455 Depart at 10:59am from Washington, D.C. (BWI) Fly for 2h 15m Arrive at 12:14pm in Chicago (ORD)

Layover in Chicago for 0h 50m

Sat Jul 26th 2025 United Airlines · UA 622 Depart at 1:04pm from Chicago (ORD) Fly for 2h 42m Arrive at 2:46pm in Denver (DEN)
US$1285

6:15am - 10:35am
Fri Jul 25th 2025

6h 20m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Fri Jul 25th 2025 United Airlines · UA 224 Depart at 6:15am from Washington, D.C. (BWI) Fly for 2h 15m Arrive at 7:30am in Chicago (ORD)

Layover in Chicago for 1h 15m

Fri Jul 25th 2025 United Airlines · UA 1599 Depart at 8:45am from Chicago (ORD) Fly for 2h 50m Arrive at 10:35am in Denver (DEN)
US$1314

6:50pm - 11:22pm
Sun Jul 27th 2025

6h 32m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Sun Jul 27th 2025 United Airlines · UA 5396 Depart at 6:50pm from Washington, D.C. (BWI) Fly for 2h 20m Arrive at 8:10pm in Chicago (ORD)

Layover in Chicago for 1h 22m

Sun Jul 27th 2025 United Airlines · UA 1748 Depart at 9:32pm from Chicago (ORD) Fly for 2h 50m Arrive at 11:22pm in Denver (DEN)
US$1457

4:20pm - 6:16pm
Sun Jul 27th 2025

3h 56m
Washington, D.C. (BWI) → Denver (DEN)

Direct

Sun Jul 27th 2025 United Airlines · UA 2012 Depart at 4:20pm from Washington, D.C. (BWI) Fly for 3h 56m Arrive at 6:16pm in Denver (DEN)
US$1457

8:10am - 10:08am
Fri Jul 25th 2025

3h 58m
Washington, D.C. (BWI) → Denver (DEN)

Direct

Fri Jul 25th 2025 United Airlines · UA 1318 Depart at 8:10am from Washington, D.C. (BWI) Fly for 3h 58m Arrive at 10:08am in Denver (DEN)
US$1457

8:10am - 10:08am
Sat Jul 26th 2025

3h 58m
Washington, D.C. (BWI) → Denver (DEN)

Direct

Sat Jul 26th 2025 United Airlines · UA 1318 Depart at 8:10am from Washington, D.C. (BWI) Fly for 3h 58m Arrive at 10:08am in Denver (DEN)
US$1517

6:15am - 8:36pm
Thu Jul 24th 2025

16h 21m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Thu Jul 24th 2025 United Airlines · UA 224 Depart at 6:15am from Washington, D.C. (BWI) Fly for 2h 15m Arrive at 7:30am in Chicago (ORD)

Layover in Chicago for 11h 5m

Thu Jul 24th 2025 United Airlines · UA 767 Depart at 6:35pm from Chicago (ORD) Fly for 3h 1m Arrive at 8:36pm in Denver (DEN)
US$1526

6:50pm - 11:22pm
Thu Jul 24th 2025

6h 32m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Thu Jul 24th 2025 United Airlines · UA 5396 Depart at 6:50pm from Washington, D.C. (BWI) Fly for 2h 20m Arrive at 8:10pm in Chicago (ORD)

Layover in Chicago for 1h 22m

Thu Jul 24th 2025 United Airlines · UA 1748 Depart at 9:32pm from Chicago (ORD) Fly for 2h 50m Arrive at 11:22pm in Denver (DEN)
US$1716

10:59am - 4:27pm
Thu Jul 24th 2025

7h 28m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Thu Jul 24th 2025 United Airlines · UA 455 Depart at 10:59am from Washington, D.C. (BWI) Fly for 2h 15m Arrive at 12:14pm in Chicago (ORD)

Layover in Chicago for 2h 21m

Thu Jul 24th 2025 United Airlines · UA 503 Depart at 2:35pm from Chicago (ORD) Fly for 2h 52m Arrive at 4:27pm in Denver (DEN)
US$1797

7:10pm - 7:32pm
Thu Jul 24th 2025

26h 22m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Thu Jul 24th 2025 Alaska Airlines · AS 379 Depart at 7:10pm from Washington, D.C. (BWI) Fly for 5h 50m Arrive at 10:00pm in Seattle (SEA)

Layover in Seattle for 17h 49m

Fri Jul 25th 2025 Alaska Airlines · AS 602 Depart at 3:49pm from Seattle (SEA) Fly for 2h 43m Arrive at 7:32pm in Denver (DEN)
US$2097

10:59am - 2:46pm
Fri Jul 25th 2025

5h 47m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Fri Jul 25th 2025 United Airlines · UA 455 Depart at 10:59am from Washington, D.C. (BWI) Fly for 2h 15m Arrive at 12:14pm in Chicago (ORD)

Layover in Chicago for 0h 50m

Fri Jul 25th 2025 United Airlines · UA 622 Depart at 1:04pm from Chicago (ORD) Fly for 2h 42m Arrive at 2:46pm in Denver (DEN)
US$2383

10:59am - 2:46pm
Thu Jul 24th 2025

5h 47m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Thu Jul 24th 2025 United Airlines · UA 455 Depart at 10:59am from Washington, D.C. (BWI) Fly for 2h 15m Arrive at 12:14pm in Chicago (ORD)

Layover in Chicago for 0h 50m

Thu Jul 24th 2025 United Airlines · UA 622 Depart at 1:04pm from Chicago (ORD) Fly for 2h 42m Arrive at 2:46pm in Denver (DEN)
US$2656

5:20pm - 10:00pm
Thu Jul 24th 2025

6h 40m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Thu Jul 24th 2025 United Airlines · UA 590 Depart at 5:20pm from Washington, D.C. (BWI) Fly for 2h 15m Arrive at 6:35pm in Chicago (ORD)

Layover in Chicago for 1h 35m

Thu Jul 24th 2025 United Airlines · UA 2394 Depart at 8:10pm from Chicago (ORD) Fly for 2h 50m Arrive at 10:00pm in Denver (DEN)
US$2861

5:20pm - 10:00pm
Sun Jul 27th 2025

6h 40m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Sun Jul 27th 2025 United Airlines · UA 590 Depart at 5:20pm from Washington, D.C. (BWI) Fly for 2h 15m Arrive at 6:35pm in Chicago (ORD)

Layover in Chicago for 1h 35m

Sun Jul 27th 2025 United Airlines · UA 2394 Depart at 8:10pm from Chicago (ORD) Fly for 2h 50m Arrive at 10:00pm in Denver (DEN)
US$3017

10:50am - 2:46pm
Sun Jul 27th 2025

5h 56m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Sun Jul 27th 2025 United Airlines · UA 3417 Depart at 10:50am from Washington, D.C. (BWI) Fly for 2h 21m Arrive at 12:11pm in Chicago (ORD)

Layover in Chicago for 0h 53m

Sun Jul 27th 2025 United Airlines · UA 622 Depart at 1:04pm from Chicago (ORD) Fly for 2h 42m Arrive at 2:46pm in Denver (DEN)
US$4953

7:51am - 8:43am
Thu Jul 24th 2025

26h 52m
Washington, D.C. (BWI) → Denver (DEN)

1 Stop

Thu Jul 24th 2025 Alaska Airlines · AS 349 Depart at 7:51am from Washington, D.C. (BWI) Fly for 5h 49m Arrive at 10:40am in Seattle (SEA)

Layover in Seattle for 18h 20m

Fri Jul 25th 2025 United Airlines · UA 2269 Depart at 5:00am from Seattle (SEA) Fly for 2h 43m Arrive at 8:43am in Denver (DEN)

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@sarahbb1

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@eyupitsjohn

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Roaming Sonaa

@roamingsonaa

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ANDY TRAVELS

@andy_travels

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Travel With Bender

@travelwitbender

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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.

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Cheap Flights from Baltimore to Denver (BWI to DEN)

Sarah Belizaire

John Ford

Roaming Sonaa

ANDY TRAVELS

Travel With Bender

Wesley Mergard

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