Airlines with flights from Dulles to Denver

There are five airlines with scheduled flights between IAD and DEN. United is the only airline with non-stop flights from Washington Dulles Airport to Denver International and the flight time is 3 hours and 54 minutes.

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Schedules

United Airlines

Non-stop with United Airlines

  • Total flight time: 3 hours and 54 minutes
  • Dulles and Denver are both United Airlines hubs.
  • 60 flights per week
  • Airbus A321neo
    Boeing 757-300 Passenger
    Boeing 737-900 Passenger
    Boeing 737MAX 9 Passenger
  • Business and first class available
IAD
Direct
DEN
 
Flight
Mon
Jul 6
Tue
Jul 7
Wed
Jul 8
Thu
Jul 9
Fri
Jul 10
Sat
Jul 11
Sun
Jul 12
UA2031
06:30
06:30
06:30
06:30
06:30
06:30
06:30
UA792
08:15
08:15
08:15
08:15
08:15
08:15
08:15
UA1865
10:13
10:13
10:13
10:13
10:13
10:13
10:13
UA1587
12:48
12:48
12:48
12:48
12:48
12:48
12:48
UA1126
14:35
14:35
14:35
14:35
14:35
14:35
14:35
UA395
15:56
15:56
15:56
15:56
15:56
15:56
15:56
UA599
17:41
17:41
17:41
17:41
17:41
17:41
17:41
UA2667
19:20
----
----
19:20
19:20
----
19:20
UA495
22:23
22:23
22:23
22:23
22:23
22:23
22:23
SHOW RETURN SCHEDULE
CHECK PRICES FOR IAD - DEN

The timetable & schedule information was updated at 2026-04-22

United Airlines

Via Louisville with United Airlines

  • Total flight time: 5h 19m - 9h 41m.
  • Dulles and Denver are both United Airlines hubs.
  • 28 flights per week
  • Airbus A321neo
    Boeing 757-300 Passenger
    Boeing 737-900 Passenger
    Boeing 737MAX 9 Passenger
IAD
 
Via SDF
 
DEN
 
Flight
Mon
Jul 6
Tue
Jul 7
Wed
Jul 8
Thu
Jul 9
Fri
Jul 10
Sat
Jul 11
Sun
Jul 12
UA3980
UA1510
12:48
12:48
12:48
12:48
12:48
12:48
12:48
SHOW RETURN SCHEDULE
CHECK PRICES FOR IAD - DEN

The timetable & schedule information was updated at 2026-04-22

Delta Air Lines

Via Detroit with Delta Air Lines

  • Total flight time: 5h 22m - 7h 37m.
  • Sky Team Alliance
  • 69 flights per week
IAD
 
Via DTW
 
DEN
 
Flight
Mon
Jul 6
Tue
Jul 7
Wed
Jul 8
Thu
Jul 9
Fri
Jul 10
Sat
Jul 11
Sun
Jul 12
DL3826
DL1113
06:00
06:00
06:00
06:00
06:00
06:00
06:00
DL1787
DL1644
----
----
17:26
17:26
17:26
----
17:26
SHOW RETURN SCHEDULE
CHECK PRICES FOR IAD - DEN

The timetable & schedule information was updated at 2026-04-22

United Airlines

Via Nashville with United Airlines

  • Total flight time: 5h 28m - 11h 40m.
  • Dulles and Denver are both United Airlines hubs.
  • 40 flights per week
  • Airbus A321neo
    Boeing 757-300 Passenger
    Boeing 737-900 Passenger
    Boeing 737MAX 9 Passenger
IAD
 
Via BNA
 
DEN
 
Flight
Mon
Jul 6
Tue
Jul 7
Wed
Jul 8
Thu
Jul 9
Fri
Jul 10
Sat
Jul 11
Sun
Jul 12
UA1366
UA502
08:30
----
08:30
08:30
08:30
----
08:30
UA213
UA1766
12:50
12:50
12:50
12:50
12:50
12:53
12:50
SHOW RETURN SCHEDULE
CHECK PRICES FOR IAD - DEN

The timetable & schedule information was updated at 2026-04-22

Delta Air Lines

Via Minneapolis with Delta Air Lines

  • Total flight time: 5h 31m - 6h 58m.
  • Sky Team Alliance
  • 89 flights per week
IAD
 
Via MSP
 
DEN
 
Flight
Mon
Jul 6
Tue
Jul 7
Wed
Jul 8
Thu
Jul 9
Fri
Jul 10
Sat
Jul 11
Sun
Jul 12
DL3996
DL2849
06:00
06:00
06:00
06:00
06:00
06:00
06:00
DL3699
DL1025
11:44
11:35
11:35
11:35
11:35
11:35
11:35
DL3783
DL1705
18:55
18:46
18:46
18:46
18:46
----
18:46
SHOW RETURN SCHEDULE
CHECK PRICES FOR IAD - DEN

The timetable & schedule information was updated at 2026-04-22

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Flight data on this page was last updated on 2026-06-22
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