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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 6:30 AM
        3h 52m
        Nonstop
        DEN 8:22 AM
        Washington D.C. - Denver | Sun, Aug 9 | United Airlines
        DEN 7:30 AM
        3h 21m
        Nonstop
        DCA 12:51 PM
        Denver - Washington D.C. | Sun, Aug 16 | Frontier Airlines
        €332 €450
        26% off
        26% off
        €450 €332
      • IAD 6:30 AM
        3h 52m
        Nonstop
        DEN 8:22 AM
        Washington D.C. - Denver | Sat, Aug 8 | United Airlines
        DEN 7:30 AM
        3h 21m
        Nonstop
        DCA 12:51 PM
        Denver - Washington D.C. | Tue, Aug 11 | Frontier Airlines
        €337 €450
        25% off
        25% off
        €450 €337
      • IAD 7:49 AM
        8h 11m
        1 stop
        DEN 2:00 PM
        Washington D.C. - Denver | Sat, Jul 25 | Frontier Airlines
        DEN 6:30 AM
        7h 21m
        1 stop
        IAD 3:51 PM
        Denver - Washington D.C. | Tue, Jul 28 | Frontier Airlines
        €192 €450
        56% off
        56% off
        €450 €192
      • IAD 6:49 AM
        9h 11m
        1 stop
        DEN 2:00 PM
        Washington D.C. - Denver | Tue, Jul 14 | Frontier Airlines
        DEN 11:59 PM
        9h 44m
        1 stop
        IAD 11:43 AM
        Denver - Washington D.C. | Fri, Jul 17 | Frontier Airlines
        €198
        56% off
        €450 €198
      • IAD 1:36 PM
        27h 42m
        1 stop
        DEN 3:18 PM
        Washington D.C. - Denver | Fri, Aug 14 | Frontier Airlines
        DEN 10:29 PM
        7h 51m
        1 stop
        IAD 8:20 AM
        Denver - Washington D.C. | Sat, Aug 15 | Frontier Airlines
        €199
        56% off
        €450 €199
      • IAD 12:28 PM
        12h 3m
        1 stop
        DEN 10:31 PM
        Washington D.C. - Denver | Thu, Aug 13 | Frontier Airlines
        DEN 6:30 AM
        7h 41m
        1 stop
        IAD 4:11 PM
        Denver - Washington D.C. | Fri, Aug 14 | Frontier Airlines
        €200
        56% off
        €450 €200
      • IAD 7:49 AM
        16h 16m
        1 stop
        DEN 10:05 PM
        Washington D.C. - Denver | Sat, Aug 1 | Frontier Airlines
        DEN 6:30 AM
        8h 10m
        1 stop
        IAD 4:40 PM
        Denver - Washington D.C. | Fri, Aug 7 | Frontier Airlines
        €200
        56% off
        €450 €200
      • IAD 7:30 AM
        8h 29m
        1 stop
        DEN 1:59 PM
        Washington D.C. - Denver | Fri, Jul 3 | Frontier Airlines
        DEN 6:30 AM
        7h 41m
        1 stop
        IAD 4:11 PM
        Denver - Washington D.C. | Fri, Jul 10 | Frontier Airlines
        €201
        55% off
        €450 €201
      • IAD 7:49 AM
        8h 11m
        1 stop
        DEN 2:00 PM
        Washington D.C. - Denver | Mon, Aug 3 | Frontier Airlines
        DEN 6:30 AM
        8h 55m
        1 stop
        IAD 5:25 PM
        Denver - Washington D.C. | Sat, Aug 8 | Frontier Airlines
        €203
        55% off
        €450 €203
      • IAD 7:30 AM
        8h 29m
        1 stop
        DEN 1:59 PM
        Washington D.C. - Denver | Sat, Jul 4 | Frontier Airlines
        DEN 10:09 AM
        6h 36m
        1 stop
        IAD 6:45 PM
        Denver - Washington D.C. | Sat, Jul 11 | Frontier Airlines
        €203
        55% off
        €450 €203
      • IAD 10:54 AM
        13h 11m
        1 stop
        DEN 10:05 PM
        Washington D.C. - Denver | Tue, Jul 21 | Frontier Airlines
        DEN 6:30 AM
        8h 55m
        1 stop
        IAD 5:25 PM
        Denver - Washington D.C. | Sat, Jul 25 | Frontier Airlines
        €203
        55% off
        €450 €203
      • IAD 9:50 AM
        10h 10m
        1 stop
        DEN 6:00 PM
        Washington D.C. - Denver | Mon, Jul 13 | Frontier Airlines
        DEN 11:59 PM
        9h 44m
        1 stop
        IAD 11:43 AM
        Denver - Washington D.C. | Fri, Jul 17 | Frontier Airlines
        €204
        55% off
        €450 €204
      • WAS 1:00 PM
        17h 25m
        1 stop
        DEN 2:00 PM
        Washington D.C. - Denver | Sun, Jun 28 | Normal Airline
        DEN 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Denver - Washington D.C. | Tue, Jun 30 | Normal Airline
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      • Cheapest nonstop
        IAD 12:50 PM
        3h 50m
        Nonstop
        DEN 2:40 PM
        Washington D.C. - Denver | Tue, Aug 18 | United Airlines
        €164 €235
        30% off
        30% off
        €235 €164
      • IAD 10:23 PM
        4h 7m
        Nonstop
        DEN 12:30 AM
        Washington D.C. - Denver | Mon, Aug 10 | United Airlines
        €176 €235
        25% off
        25% off
        €235 €176
      • IAD 7:30 AM
        8h 29m
        1 stop
        DEN 1:59 PM
        Washington D.C. - Denver | Tue, Aug 18 | Frontier Airlines
        €76 €235
        68% off
        68% off
        €235 €76
      • IAD 8:59 AM
        17h 11m
        1 stop
        DEN 12:10 AM
        Washington D.C. - Denver | Wed, Aug 19 | Frontier Airlines
        €90
        62% off
        €235 €90
      • IAD 9:50 AM
        13h 51m
        1 stop
        DEN 9:41 PM
        Washington D.C. - Denver | Tue, Jul 21 | Frontier Airlines
        €90
        62% off
        €235 €90
      • IAD 9:50 AM
        25h 15m
        1 stop
        DEN 9:05 AM
        Washington D.C. - Denver | Mon, Jul 13 | Frontier Airlines
        €91
        61% off
        €235 €91
      • IAD 7:49 AM
        16h 16m
        1 stop
        DEN 10:05 PM
        Washington D.C. - Denver | Wed, Jul 15 | Frontier Airlines
        €94
        60% off
        €235 €94
      • IAD 9:50 AM
        10h 10m
        1 stop
        DEN 6:00 PM
        Washington D.C. - Denver | Tue, Jul 28 | Frontier Airlines
        €96
        59% off
        €235 €96
      • IAD 6:49 AM
        17h 39m
        1 stop
        DEN 10:28 PM
        Washington D.C. - Denver | Sat, Aug 1 | Frontier Airlines
        €98
        57% off
        €235 €98
      • IAD 8:33 PM
        19h 28m
        1 stop
        DEN 2:01 PM
        Washington D.C. - Denver | Tue, Aug 4 | Frontier Airlines
        €98
        57% off
        €235 €98
      • IAD 6:49 AM
        17h 39m
        1 stop
        DEN 10:28 PM
        Washington D.C. - Denver | Sat, Aug 15 | Frontier Airlines
        €99
        57% off
        €235 €99
      • IAD 7:48 AM
        16h 17m
        1 stop
        DEN 10:05 PM
        Washington D.C. - Denver | Wed, Aug 5 | Frontier Airlines
        €99
        57% off
        €235 €99
      • WAS 1:00 PM
        17h 25m
        1 stop
        DEN 2:00 PM
        Washington D.C. - Denver | Sun, Jun 28 | Normal Airline
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Displayed flight fares from Dulles International Airport to Denver International Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

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 €76
Delta Air Lines
From €135
American Airlines
From €141
Allegiant Air
From €144
United Airlines
From €164
Sun Country Airlines
From €173
Alaska Airlines
From €204

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

    6:20 AM

    IAD

    2h 11m

    Nonstop

    8:31 AM

    ATL

    S M T W T F S
    Search

  2. F93293

    Hartsfield-Jackson Atlanta International Airport

    12:33 PM

    ATL

    3h 26m

    Nonstop

    1:59 PM

    DEN

    S M T W T F S

  3. F94277

    Dulles International Airport

    9:20 AM

    IAD

    4h 58m

    Nonstop

    11:18 AM

    LAS

    S M T W T F S
    Search

  4. F93540

    Harry Reid Intl. Airport

    2:53 PM

    LAS

    2h 7m

    Nonstop

    6:00 PM

    DEN

    S M T W T F S

  5. DL1444

    Dulles International Airport

    12:37 PM

    IAD

    1h 57m

    Nonstop

    2:34 PM

    ATL

    S M T W T F S
    Search

  6. F93599

    Hartsfield-Jackson Atlanta International Airport

    8:30 PM

    ATL

    3h 35m

    Nonstop

    10:05 PM

    DEN

    S M T W T F S

  7. F92953

    Dulles International Airport

    12:28 PM

    IAD

    2h 31m

    Nonstop

    2:59 PM

    TPA

    S - T - T F -
    Search

  8. F92745

    Tampa International Airport

    8:40 PM

    TPA

    4h 9m

    Nonstop

    10:49 PM

    DEN

    S M T W T F S

  9. F94559

    Dulles International Airport

    7:24 PM

    IAD

    3h 23m

    Nonstop

    9:47 PM

    DFW

    S M T W T F S
    Search

  10. F92147

    Dallas Fort Worth International Airport

    5:48 AM

    DFW

    2h 10m

    Nonstop

    6:58 AM

    DEN

    S - T W T F S

  11. F94277

    Dulles International Airport

    9:20 AM

    IAD

    4h 58m

    Nonstop

    11:18 AM

    LAS

    S M T W T F S
    Search

  12. F91994

    Harry Reid Intl. Airport

    6:34 PM

    LAS

    2h 7m

    Nonstop

    9:41 PM

    DEN

    S - T W T F S

  13. F94409

    Dulles International Airport

    8:39 PM

    IAD

    2h 11m

    Nonstop

    10:50 PM

    ATL

    S - - - - F -
    Search

  14. F91449

    Hartsfield-Jackson Atlanta International Airport

    7:57 AM

    ATL

    3h 22m

    Nonstop

    9:19 AM

    DEN

    - M T W T F S

  15. F93691

    Dulles International Airport

    8:57 PM

    IAD

    2h 27m

    Nonstop

    11:24 PM

    ATL

    - M T W T - S
    Search

  16. F91449

    Hartsfield-Jackson Atlanta International Airport

    7:57 AM

    ATL

    3h 22m

    Nonstop

    9:19 AM

    DEN

    - M T W T F S

  17. F94707

    Dulles International Airport

    6:20 AM

    IAD

    2h 11m

    Nonstop

    8:31 AM

    ATL

    S M T W T F S
    Search

  18. F93599

    Hartsfield-Jackson Atlanta International Airport

    8:30 PM

    ATL

    3h 35m

    Nonstop

    10:05 PM

    DEN

    S M T W T F S

  19. F94277

    Dulles International Airport

    9:20 AM

    IAD

    4h 58m

    Nonstop

    11:18 AM

    LAS

    S M T W T F S
    Search

  20. F94612

    Harry Reid Intl. Airport

    9:24 PM

    LAS

    2h 14m

    Nonstop

    12:38 AM

    DEN

    S M T W T F S
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Dulles International Airport to Denver International Airport Flights Info

Flight distance2,334.94 km
Cheapest one-way ticket price€76
Cheapest return ticket price€192

FAQs for Dulles International Airport to Denver International Airport Flights

  • How long is a flight from Dulles International Airport to Denver International Airport?

    It takes around 3 hours 57 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 €249 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 €454 in June, the most expensive month to book this route.
  • The earliest flight departs from Dulles International Airport (IAD) at 06:20 and arrives in Denver International Airport (DEN) at 08:22.
  • The latest flight departs from Dulles International Airport (IAD) at 17:36 and arrives in Denver International Airport (DEN) at 19:36.
  • United Airlines is a very popular airline operating an average of 4351 flights per month.

Popular Destinations

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

Book with no extra fees

Prices displayed in 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, WLAN, 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 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.