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Dulles International Airport to Denver International Airport flight

Search for flights from Washington D.C. to Denver and check out affordable one-way and round-trip options.

      • Cheapest nonstop
        IAD 19:20
        4h 7m
        Direct
        DEN 21:27
        Washington D.C. - Denver | Sat, Jul 25 | United Airlines
        DEN 07:30
        3h 27m
        Direct
        DCA 12:57
        Denver - Washington D.C. | Sun, Jul 26 | Frontier Airlines
        US$324 US$524
        38% off
        38% off
        US$524 US$324
      • IAD 16:01
        9h 10m
        1 stop
        DEN 23:11
        Washington D.C. - Denver | Mon, Jun 29 | Frontier Airlines
        DEN 23:46
        8h 36m
        1 stop
        IAD 10:22
        Denver - Washington D.C. | Mon, Jul 6 | Frontier Airlines
        US$195 US$524
        63% off
        63% off
        US$524 US$195
      • IAD 16:32
        8h 29m
        1 stop
        DEN 23:01
        Washington D.C. - Denver | Sun, Jul 19 | Frontier Airlines
        DEN 06:30
        9h 1m
        1 stop
        IAD 17:31
        Denver - Washington D.C. | Tue, Jul 21 | Frontier Airlines
        US$200 US$524
        62% off
        62% off
        US$524 US$200
      • IAD 09:12
        10h 52m
        1 stop
        DEN 18:04
        Washington D.C. - Denver | Thu, Jul 2 | Frontier Airlines
        DEN 16:27
        3h 32m
        Direct
        DCA 21:59
        Denver - Washington D.C. | Mon, Jul 6 | Frontier Airlines
        US$208
        60% off
        US$524 US$208
      • IAD 09:12
        8h 27m
        1 stop
        DEN 15:39
        Washington D.C. - Denver | Fri, Jul 3 | Frontier Airlines
        DEN 23:54
        8h 18m
        1 stop
        IAD 10:12
        Denver - Washington D.C. | Sat, Jul 4 | Frontier Airlines
        US$209
        60% off
        US$524 US$209
      • IAD 07:45
        8h 19m
        1 stop
        DEN 14:04
        Washington D.C. - Denver | Sun, Jun 28 | Frontier Airlines
        DEN 22:29
        7h 43m
        1 stop
        IAD 08:12
        Denver - Washington D.C. | Mon, Jun 29 | Frontier Airlines
        US$214
        59% off
        US$524 US$214
      • IAD 09:12
        20h 13m
        1 stop
        DEN 03:25
        Washington D.C. - Denver | Sat, Jun 27 | Frontier Airlines
        DEN 23:59
        9h 40m
        1 stop
        IAD 11:39
        Denver - Washington D.C. | Sat, Jul 4 | Frontier Airlines
        US$214
        59% off
        US$524 US$214
      • IAD 15:38
        9h 23m
        1 stop
        DEN 23:01
        Washington D.C. - Denver | Mon, Jul 27 | Frontier Airlines
        DEN 07:30
        3h 27m
        Direct
        DCA 12:57
        Denver - Washington D.C. | Tue, Jul 28 | Frontier Airlines
        US$215
        59% off
        US$524 US$215
      • IAD 09:12
        16h 57m
        1 stop
        DEN 00:09
        Washington D.C. - Denver | Wed, Jul 1 | Frontier Airlines
        DEN 23:59
        9h 40m
        1 stop
        IAD 11:39
        Denver - Washington D.C. | Sat, Jul 4 | Frontier Airlines
        US$218
        57% off
        US$524 US$218
      • IAD 09:12
        10h 52m
        1 stop
        DEN 18:04
        Washington D.C. - Denver | Tue, Jun 30 | Frontier Airlines
        DEN 06:30
        9h 1m
        1 stop
        IAD 17:31
        Denver - Washington D.C. | Tue, Jul 7 | Frontier Airlines
        US$364
        31% off
        US$524 US$364
      • IAD 13:38
        11h 26m
        1 stop
        DEN 23:04
        Washington D.C. - Denver | Mon, Jul 6 | Frontier Airlines
        DEN 23:46
        8h 36m
        1 stop
        IAD 10:22
        Denver - Washington D.C. | Mon, Jul 13 | Frontier Airlines
        US$393
        25% off
        US$524 US$393
      • WAS 13:00
        17h 25m
        1 stop
        DEN 14:00
        Washington D.C. - Denver | Sun, Jun 28 | Normal Airline
        DEN 15:00
        6h
        Direct
        WAS 16:00
        Denver - Washington D.C. | Tue, Jun 30 | Normal Airline
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      • Cheapest nonstop
        IAD 12:50
        3h 50m
        Direct
        DEN 14:40
        Washington D.C. - Denver | Tue, Aug 18 | United Airlines
        US$187 US$267
        30% off
        30% off
        US$267 US$187
      • IAD 22:23
        4h 7m
        Direct
        DEN 00:30
        Washington D.C. - Denver | Mon, Aug 10 | United Airlines
        US$200 US$267
        25% off
        25% off
        US$267 US$200
      • IAD 07:30
        8h 29m
        1 stop
        DEN 13:59
        Washington D.C. - Denver | Wed, Aug 19 | Frontier Airlines
        US$86 US$267
        68% off
        68% off
        US$267 US$86
      • IAD 08:59
        17h 11m
        1 stop
        DEN 00:10
        Washington D.C. - Denver | Thu, Aug 20 | Frontier Airlines
        US$102
        62% off
        US$267 US$102
      • IAD 09:50
        13h 51m
        1 stop
        DEN 21:41
        Washington D.C. - Denver | Wed, Jul 22 | Frontier Airlines
        US$102
        62% off
        US$267 US$102
      • IAD 09:50
        25h 15m
        1 stop
        DEN 09:05
        Washington D.C. - Denver | Tue, Jul 14 | Frontier Airlines
        US$103
        61% off
        US$267 US$103
      • IAD 07:49
        16h 16m
        1 stop
        DEN 22:05
        Washington D.C. - Denver | Thu, Jul 16 | Frontier Airlines
        US$107
        60% off
        US$267 US$107
      • IAD 09:50
        10h 10m
        1 stop
        DEN 18:00
        Washington D.C. - Denver | Wed, Jul 29 | Frontier Airlines
        US$110
        59% off
        US$267 US$110
      • IAD 06:49
        17h 39m
        1 stop
        DEN 22:28
        Washington D.C. - Denver | Sun, Aug 2 | Frontier Airlines
        US$111
        57% off
        US$267 US$111
      • IAD 20:33
        19h 28m
        1 stop
        DEN 14:01
        Washington D.C. - Denver | Wed, Aug 5 | Frontier Airlines
        US$111
        57% off
        US$267 US$111
      • IAD 06:49
        17h 39m
        1 stop
        DEN 22:28
        Washington D.C. - Denver | Sun, Aug 16 | Frontier Airlines
        US$112
        57% off
        US$267 US$112
      • IAD 07:48
        16h 17m
        1 stop
        DEN 22:05
        Washington D.C. - Denver | Thu, Aug 6 | Frontier Airlines
        US$113
        57% off
        US$267 US$113
      • WAS 13:00
        17h 25m
        1 stop
        DEN 14:00
        Washington D.C. - Denver | Sun, Jun 28 | Normal Airline
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Flight fares from Dulles International Airport to Denver International Airport are based on average airline prices for the next 3 months, according to Trip.com’s latest data.

Selected Airlines from Dulles International Airport to Denver International Airport

See which airlines fly from Washington D.C. to Denver. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Frontier Airlines
From US$86
Delta Air Lines
From US$153
American Airlines
From US$160
Allegiant Air
From US$164
United Airlines
From US$187
Sun Country Airlines
From US$197
Alaska Airlines
From US$263

Find more flights and airlines

Flight Schedule from Dulles International Airport to Denver International Airport

Check the schedule for flights from Washington D.C. to Denver and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. F94707

    Dulles International Airport

    06:20

    IAD

    2h 11m

    Direct

    08:31

    ATL

    S M T W T F S
    Search

  2. F93293

    Hartsfield-Jackson Atlanta International Airport

    12:33

    ATL

    3h 26m

    Direct

    13:59

    DEN

    S M T W T F S

  3. F94277

    Dulles International Airport

    09:20

    IAD

    4h 58m

    Direct

    11:18

    LAS

    S M T W T F S
    Search

  4. F93540

    Harry Reid International Airport

    14:53

    LAS

    2h 7m

    Direct

    18:00

    DEN

    S M T W T F S

  5. DL1444

    Dulles International Airport

    12:37

    IAD

    1h 57m

    Direct

    14:34

    ATL

    S M T W T F S
    Search

  6. F93599

    Hartsfield-Jackson Atlanta International Airport

    20:30

    ATL

    3h 35m

    Direct

    22:05

    DEN

    S M T W T F S

  7. F92953

    Dulles International Airport

    12:28

    IAD

    2h 31m

    Direct

    14:59

    TPA

    S - T - T F -
    Search

  8. F92745

    Tampa International Airport

    20:40

    TPA

    4h 9m

    Direct

    22:49

    DEN

    S M T W T F S

  9. F94559

    Dulles International Airport

    19:24

    IAD

    3h 23m

    Direct

    21:47

    DFW

    S M T W T F S
    Search

  10. F92147

    Dallas Fort Worth International Airport

    05:48

    DFW

    2h 10m

    Direct

    06:58

    DEN

    S - T W T F S

  11. F94277

    Dulles International Airport

    09:20

    IAD

    4h 58m

    Direct

    11:18

    LAS

    S M T W T F S
    Search

  12. F91994

    Harry Reid International Airport

    18:34

    LAS

    2h 7m

    Direct

    21:41

    DEN

    S - T W T F S

  13. F94409

    Dulles International Airport

    20:39

    IAD

    2h 11m

    Direct

    22:50

    ATL

    S - - - - F -
    Search

  14. F91449

    Hartsfield-Jackson Atlanta International Airport

    07:57

    ATL

    3h 22m

    Direct

    09:19

    DEN

    - M T W T F S

  15. F93691

    Dulles International Airport

    20:57

    IAD

    2h 27m

    Direct

    23:24

    ATL

    - M T W T - S
    Search

  16. F91449

    Hartsfield-Jackson Atlanta International Airport

    07:57

    ATL

    3h 22m

    Direct

    09:19

    DEN

    - M T W T F S

  17. F94707

    Dulles International Airport

    06:20

    IAD

    2h 11m

    Direct

    08:31

    ATL

    S M T W T F S
    Search

  18. F93599

    Hartsfield-Jackson Atlanta International Airport

    20:30

    ATL

    3h 35m

    Direct

    22:05

    DEN

    S M T W T F S

  19. F94277

    Dulles International Airport

    09:20

    IAD

    4h 58m

    Direct

    11:18

    LAS

    S M T W T F S
    Search

  20. F94612

    Harry Reid International Airport

    21:24

    LAS

    2h 14m

    Direct

    00:38

    DEN

    S M T W T F S
Find more flights and airlines

Dulles International Airport to Denver International Airport Flights Info

Flight distance2,334.94km
Cheapest one-way ticket priceUS$86
Cheapest return ticket priceUS$195

FAQs for Dulles International Airport to Denver International Airport Flights

  • How long does it take to fly from Dulles International Airport (IAD) to Denver International Airport (DEN)?

    It takes around 3 hours 58 minutes to fly from Dulles International Airport (iad) to Denver International Airport(den).
  • There are around 8 daily flights from Dulles International Airport (IAD) to Denver International Airport (DEN).
  • Tickets cost around US$285 in August, making it the cheapest month to book. Dulles International Airport (IAD) to Denver International Airport (DEN) is a popular route, so don't forget to book your tickets in advance.
  • The route from Dulles International Airport (IAD) to Denver International Airport (DEN) is quite popular. Without considering departure times or holidays, tickets cost around US$527 in June, the most expensive month to book this route.
  • United Airlines is a very popular airline operating an average of 4351 flights per month.

Find Cheap Flights with Trip.com

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed on this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within the last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.