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Denver International Airport to Dulles International Airport flight
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Denver International Airport to Dulles International Airport Flights Info

Cheapest one-way
DKK 483
Frontier Airlines Frontier Airlines 6h 47m · 1 stop Sat, Dec 5
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Cheapest return
DKK 835
Frontier Airlines Frontier Airlines 6h 38m · 2 stops Sat, Dec 5 - Tue, Dec 8
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Recommended airlines
Frontier Airlines Frontier AirlinesCheapest· From DKK 483 Frontier Airlines Frontier AirlinesMost booked

Explore the cheapest one-way and round-trip flights from Denver International Airport to Dulles International Airport over the next 90 days, with one-way fares from DKK 483 and round-trip from DKK 835. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      DEN 17:55
      3h 20m
      Direct
      IAD 23:15
      Denver - Washington D.C. | Tue, Nov 24 | United Airlines
      DCA 18:05
      7h 9m
      Direct
      DEN 23:14
      Washington D.C. - Denver | Wed, Dec 2 | United Airlines
      DKK 2,985 DKK 4,232
      28% off
      28% off
      DKK 4,232 DKK 2,985
    • DEN 16:11
      3h 13m
      Direct
      IAD 21:24
      Denver - Washington D.C. | Wed, Dec 9 | United Airlines
      IAD 08:22
      4h 4m
      Direct
      DEN 10:26
      Washington D.C. - Denver | Tue, Dec 15 | United Airlines
      DKK 3,047 DKK 4,232
      28% off
      28% off
      DKK 4,232 DKK 3,047
    • DEN 09:00
      6h 38m
      1 stop
      IAD 17:38
      Denver - Washington D.C. | Sat, Dec 5 | Frontier Airlines
      IAD 20:55
      13h 55m
      1 stop
      DEN 08:50
      Washington D.C. - Denver | Tue, Dec 8 | Frontier Airlines
      DKK 835 DKK 4,232
      80% off
      80% off
      DKK 4,232 DKK 835
    • DEN 07:10
      11h
      1 stop
      IAD 20:10
      Denver - Washington D.C. | Thu, Dec 10 | Frontier Airlines
      IAD 22:35
      9h 54m
      1 stop
      DEN 06:29
      Washington D.C. - Denver | Fri, Dec 11 | Frontier Airlines
      DKK 930
      78% off
      DKK 4,232 DKK 930
    • DEN 07:10
      11h 2m
      1 stop
      IAD 20:12
      Denver - Washington D.C. | Fri, Dec 4 | Frontier Airlines
      IAD 22:35
      9h 54m
      1 stop
      DEN 06:29
      Washington D.C. - Denver | Fri, Dec 11 | Frontier Airlines
      DKK 1,042
      75% off
      DKK 4,232 DKK 1,042
    • DEN 11:11
      11h 8m
      1 stop
      IAD 00:19
      Denver - Washington D.C. | Wed, Jan 13 | Frontier Airlines
      IAD 22:57
      10h 11m
      1 stop
      DEN 07:08
      Washington D.C. - Denver | Mon, Jan 18 | Frontier Airlines
      DKK 1,093
      74% off
      DKK 4,232 DKK 1,093
    • DEN 10:53
      11h 46m
      1 stop
      IAD 00:39
      Denver - Washington D.C. | Wed, Jan 6 | Frontier Airlines
      IAD 22:37
      10h 31m
      1 stop
      DEN 07:08
      Washington D.C. - Denver | Mon, Jan 11 | Frontier Airlines
      DKK 1,100
      74% off
      DKK 4,232 DKK 1,100
    • DEN 09:00
      6h 38m
      1 stop
      IAD 17:38
      Denver - Washington D.C. | Sat, Dec 12 | Frontier Airlines
      IAD 12:06
      9h 51m
      1 stop
      DEN 19:57
      Washington D.C. - Denver | Tue, Dec 15 | Frontier Airlines
      DKK 1,108
      74% off
      DKK 4,232 DKK 1,108
    • DEN 10:18
      7h 52m
      1 stop
      IAD 20:10
      Denver - Washington D.C. | Wed, Dec 9 | Frontier Airlines
      IAD 22:35
      9h 54m
      1 stop
      DEN 06:29
      Washington D.C. - Denver | Thu, Dec 10 | Frontier Airlines
      DKK 1,179
      72% off
      DKK 4,232 DKK 1,179
    • DEN 13:00
      17h 25m
      1 stop
      WAS 14:00
      Denver - Washington D.C. | Wed, Nov 18 | Normal Airline
      WAS 15:00
      6h
      Direct
      DEN 16:00
      Washington D.C. - Denver | Fri, Nov 20 | Normal Airline
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    • Cheapest
      DEN 09:00
      6h 47m
      1 stop
      IAD 17:47
      Denver - Washington D.C. | Sat, Dec 5 | Frontier Airlines
      DKK 483 DKK 2,288
      79% off
      79% off
      DKK 2,288 DKK 483
    • DEN 09:00
      6h 47m
      1 stop
      IAD 17:47
      Denver - Washington D.C. | Sat, Dec 12 | Frontier Airlines
      DKK 754 DKK 2,288
      67% off
      67% off
      DKK 2,288 DKK 754
    • DEN 10:18
      7h 52m
      1 stop
      IAD 20:10
      Denver - Washington D.C. | Tue, Dec 8 | Frontier Airlines
      DKK 834 DKK 2,288
      64% off
      64% off
      DKK 2,288 DKK 834
    • DEN 10:18
      7h 52m
      1 stop
      IAD 20:10
      Denver - Washington D.C. | Tue, Dec 15 | Frontier Airlines
      DKK 835
      64% off
      DKK 2,288 DKK 835
    • DEN 20:07
      9h 44m
      1 stop
      IAD 07:51
      Denver - Washington D.C. | Wed, Dec 16 | Frontier Airlines
      DKK 839
      63% off
      DKK 2,288 DKK 839
    • DEN 23:30
      13h 44m
      1 stop
      IAD 15:14
      Denver - Washington D.C. | Sat, Jan 9 | Frontier Airlines
      DKK 872
      62% off
      DKK 2,288 DKK 872
    • DEN 09:00
      6h 38m
      1 stop
      IAD 17:38
      Denver - Washington D.C. | Fri, Dec 11 | Frontier Airlines
      DKK 874
      62% off
      DKK 2,288 DKK 874
    • DEN 19:50
      7h 20m
      1 stop
      IAD 05:10
      Denver - Washington D.C. | Mon, Nov 23 | Frontier Airlines
      DKK 878
      62% off
      DKK 2,288 DKK 878
    • DEN 09:00
      6h 47m
      1 stop
      IAD 17:47
      Denver - Washington D.C. | Mon, Dec 7 | Frontier Airlines
      DKK 880
      62% off
      DKK 2,288 DKK 880
    • DEN 13:00
      17h 25m
      1 stop
      WAS 14:00
      Denver - Washington D.C. | Wed, Nov 18 | Normal Airline
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    • Cheapest nonstop
      DEN 07:40
      3h 18m
      Direct
      IAD 12:58
      Denver - Washington D.C. | Sat, Dec 5 | United Airlines
      DKK 1,850 DKK 4,705
      61% off
      61% off
      DKK 4,705 DKK 1,850
    • DEN 07:40
      3h 26m
      Direct
      IAD 13:06
      Denver - Washington D.C. | Fri, Dec 25 | United Airlines
      DKK 1,852 DKK 4,705
      61% off
      61% off
      DKK 4,705 DKK 1,852
    • DEN 10:20
      3h 25m
      Direct
      IAD 15:45
      Denver - Washington D.C. | Thu, Dec 24 | United Airlines
      DKK 1,852 DKK 4,705
      61% off
      61% off
      DKK 4,705 DKK 1,852
    • DEN 07:40
      3h 17m
      Direct
      IAD 12:57
      Denver - Washington D.C. | Tue, Dec 1 | United Airlines
      DKK 1,912
      59% off
      DKK 4,705 DKK 1,912
    • DEN 06:00
      3h 21m
      Direct
      IAD 11:21
      Denver - Washington D.C. | Sun, Dec 20 | United Airlines
      DKK 1,926
      59% off
      DKK 4,705 DKK 1,926
    • DEN 12:50
      3h 21m
      Direct
      IAD 18:11
      Denver - Washington D.C. | Mon, Dec 21 | United Airlines
      DKK 1,976
      57% off
      DKK 4,705 DKK 1,976
    • DEN 23:59
      3h 20m
      Direct
      IAD 05:19
      Denver - Washington D.C. | Thu, Nov 19 | United Airlines
      DKK 2,197
      53% off
      DKK 4,705 DKK 2,197
    • DEN 07:40
      3h 17m
      Direct
      IAD 12:57
      Denver - Washington D.C. | Mon, Dec 14 | United Airlines
      DKK 2,460
      48% off
      DKK 4,705 DKK 2,460
    • DEN 10:20
      3h 25m
      Direct
      IAD 15:45
      Denver - Washington D.C. | Tue, Dec 29 | United Airlines
      DKK 2,482
      47% off
      DKK 4,705 DKK 2,482
    • DEN 13:00
      17h 25m
      1 stop
      WAS 14:00
      Denver - Washington D.C. | Wed, Nov 18 | Normal Airline
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    • Cheapest nonstop
      DEN 23:50
      3h 18m
      Direct
      IAD 05:08
      Denver - Washington D.C. | Mon, Jan 11 | United Airlines
      DKK 1,618 DKK 2,288
      28% off
      28% off
      DKK 2,288 DKK 1,618
    • DEN 23:59
      3h 20m
      Direct
      IAD 05:19
      Denver - Washington D.C. | Sat, Dec 19 | United Airlines
      DKK 1,647 DKK 2,288
      28% off
      28% off
      DKK 2,288 DKK 1,647
    • DEN 16:11
      3h 13m
      Direct
      IAD 21:24
      Denver - Washington D.C. | Sat, Dec 5 | United Airlines
      DKK 1,850 DKK 3,471
      47% off
      47% off
      DKK 3,471 DKK 1,850
    • DEN 16:11
      3h 13m
      Direct
      IAD 21:24
      Denver - Washington D.C. | Thu, Dec 3 | United Airlines
      DKK 1,850
      47% off
      DKK 3,471 DKK 1,850
    • DEN 07:40
      3h 26m
      Direct
      IAD 13:06
      Denver - Washington D.C. | Fri, Dec 25 | United Airlines
      DKK 1,852
      48% off
      DKK 3,528 DKK 1,852
    • DEN 16:11
      3h 13m
      Direct
      IAD 21:24
      Denver - Washington D.C. | Fri, Dec 4 | United Airlines
      DKK 1,853
      47% off
      DKK 3,471 DKK 1,853
    • DEN 16:11
      3h 13m
      Direct
      IAD 21:24
      Denver - Washington D.C. | Mon, Dec 7 | United Airlines
      DKK 1,855
      47% off
      DKK 3,471 DKK 1,855
    • DEN 16:11
      3h 13m
      Direct
      IAD 21:24
      Denver - Washington D.C. | Wed, Dec 9 | United Airlines
      DKK 1,863
      46% off
      DKK 3,471 DKK 1,863
    • DEN 16:11
      3h 13m
      Direct
      IAD 21:24
      Denver - Washington D.C. | Sat, Dec 12 | United Airlines
      DKK 1,863
      46% off
      DKK 3,471 DKK 1,863
    • DEN 13:00
      17h 25m
      1 stop
      WAS 14:00
      Denver - Washington D.C. | Wed, Nov 18 | Normal Airline
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    • Cheapest nonstop
      DEN 23:59
      3h 20m
      Direct
      IAD 05:19
      Denver - Washington D.C. | Wed, Nov 18 | United Airlines
      DKK 2,638 DKK 3,664
      28% off
      28% off
      DKK 3,664 DKK 2,638
    • DEN 14:21
      5h 40m
      1 stop
      IAD 22:01
      Denver - Washington D.C. | Thu, Nov 19 | American Airlines
      DKK 2,262 DKK 3,664
      38% off
      38% off
      DKK 3,664 DKK 2,262
    • DEN 23:59
      3h 20m
      Direct
      IAD 05:19
      Denver - Washington D.C. | Thu, Nov 19 | United Airlines
      DKK 2,197 DKK 3,664
      40% off
      40% off
      DKK 3,664 DKK 2,197
    • DEN 17:55
      3h 20m
      Direct
      IAD 23:15
      Denver - Washington D.C. | Sat, Nov 21 | United Airlines
      DKK 2,225
      39% off
      DKK 3,664 DKK 2,225
    • DEN 13:00
      17h 25m
      1 stop
      WAS 14:00
      Denver - Washington D.C. | Wed, Nov 18 | Normal Airline
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    • DEN 16:11
      3h 13m
      Direct
      IAD 21:24
      Denver - Washington D.C. | Sat, Dec 5 | United Airlines
      DKK 1,850 DKK 3,471
      47% off
      47% off
      DKK 3,471 DKK 1,850
    • DEN 16:11
      3h 13m
      Direct
      IAD 21:24
      Denver - Washington D.C. | Thu, Dec 3 | United Airlines
      DKK 1,850 DKK 3,471
      47% off
      47% off
      DKK 3,471 DKK 1,850
    • DEN 16:11
      3h 13m
      Direct
      IAD 21:24
      Denver - Washington D.C. | Fri, Dec 4 | United Airlines
      DKK 1,853 DKK 3,471
      47% off
      47% off
      DKK 3,471 DKK 1,853
    • DEN 16:11
      3h 13m
      Direct
      IAD 21:24
      Denver - Washington D.C. | Mon, Dec 7 | United Airlines
      DKK 1,855
      47% off
      DKK 3,471 DKK 1,855
    • DEN 16:11
      3h 13m
      Direct
      IAD 21:24
      Denver - Washington D.C. | Wed, Dec 9 | United Airlines
      DKK 1,863
      46% off
      DKK 3,471 DKK 1,863
    • DEN 16:11
      3h 13m
      Direct
      IAD 21:24
      Denver - Washington D.C. | Sat, Dec 12 | United Airlines
      DKK 1,863
      46% off
      DKK 3,471 DKK 1,863
    • DEN 16:11
      3h 13m
      Direct
      IAD 21:24
      Denver - Washington D.C. | Thu, Dec 10 | United Airlines
      DKK 1,863
      46% off
      DKK 3,471 DKK 1,863
    • DEN 16:11
      3h 13m
      Direct
      IAD 21:24
      Denver - Washington D.C. | Fri, Dec 11 | United Airlines
      DKK 1,896
      45% off
      DKK 3,471 DKK 1,896
    • DEN 16:11
      3h 13m
      Direct
      IAD 21:24
      Denver - Washington D.C. | Sun, Dec 13 | United Airlines
      DKK 1,911
      45% off
      DKK 3,471 DKK 1,911
    • DEN 13:00
      17h 25m
      1 stop
      WAS 14:00
      Denver - Washington D.C. | Wed, Nov 18 | Normal Airline
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Displayed flight fares from Denver to Washington D.C. are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Denver International Airport to Dulles International Airport?

The cheapest airline flying from Denver International Airport to Dulles International Airport is Frontier Airlines (from DKK 483) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.
easyJet logo easyJet Wizz Air UK logo Wizz Air UK British Airways logo British Airways Jet2.com logo Jet2.com Virgin Atlantic logo Virgin Atlantic
Frontier Airlines logo Frontier Airlines

What is the flight schedule from Denver International Airport to Dulles International Airport?

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. F93294

    Denver International Airport

    10:42

    DEN

    3h 28m

    Direct

    16:10

    ATL

    S M T W - F S
    Search

  2. F93692

    Hartsfield–Jackson Atlanta International Airport

    21:52

    ATL

    1h 51m

    Direct

    23:43

    IAD

    - M T W - - -

  3. F91765

    Denver International Airport

    19:24

    DEN

    2h 7m

    Direct

    20:31

    LAS

    S M T W T F S
    Search

  4. F94278

    Harry Reid International Airport

    22:39

    LAS

    4h 28m

    Direct

    06:07

    IAD

    S - - - T F S

  5. F93366

    Denver International Airport

    10:34

    DEN

    2h 3m

    Direct

    13:37

    DFW

    S M T W T F S
    Search

  6. F93208

    Dallas Fort Worth International Airport

    16:22

    DFW

    3h 12m

    Direct

    20:34

    IAD

    S M T W T F S

  7. F93312

    Denver International Airport

    10:40

    DEN

    3h 38m

    Direct

    16:18

    MCO

    S M T W T F S
    Search

  8. F94230

    Orlando International Airport

    08:00

    MCO

    2h 21m

    Direct

    10:21

    IAD

    - M T W - - -

  9. F91280

    Denver International Airport

    19:08

    DEN

    3h 53m

    Direct

    01:01

    MIA

    S M T - - F S
    Search

  10. F93732

    Miami International Airport

    07:27

    MIA

    2h 42m

    Direct

    10:09

    IAD

    - - - - - F S

  11. F91172

    Denver International Airport

    10:41

    DEN

    3h 52m

    Direct

    16:33

    FLL

    S - - - T F S
    Search

  12. F92960

    Fort Lauderdale-Hollywood International Airport

    17:35

    FLL

    2h 36m

    Direct

    20:11

    IAD

    S - - W T F S

  13. F91450

    Denver International Airport

    16:00

    DEN

    3h 12m

    Direct

    21:12

    ATL

    - - - W T - -
    Search

  14. F91082

    Hartsfield–Jackson Atlanta International Airport

    10:19

    ATL

    2h

    Direct

    12:19

    IAD

    S - - - T F S

  15. F92550

    Denver International Airport

    06:00

    DEN

    2h 9m

    Direct

    09:09

    DFW

    S - - W T F S
    Search

  16. F93208

    Dallas Fort Worth International Airport

    16:22

    DFW

    3h 12m

    Direct

    20:34

    IAD

    S M T W T F S

  17. F92748

    Denver International Airport

    10:41

    DEN

    3h 25m

    Direct

    16:06

    TPA

    S - - W T F S
    Search

  18. F92954

    Tampa International Airport

    14:54

    TPA

    2h 23m

    Direct

    17:17

    IAD

    S - T - T F S

  19. F92520

    Denver International Airport

    19:20

    DEN

    3h 33m

    Direct

    00:53

    MCO

    S M T W T F S
    Search

  20. F92860

    Orlando International Airport

    16:24

    MCO

    2h 22m

    Direct

    18:46

    IAD

    S - - - T F S
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FAQs for Denver International Airport to Dulles International Airport Flights

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

    Denver International Airport to Dulles International Airport takes about 3 hours 4 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 7 daily flights from Denver International Airport (DEN) to Dulles International Airport (IAD).
  • The earliest flight from Denver International Airport to Dulles International Airport departs at 06:00, and the last departs at 23:59, with about 9 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Denver International Airport (DEN) to Dulles International Airport (IAD) is quite popular. Without considering departure times or holidays, tickets cost around DKK 3,392 in November, the most expensive month to book this route.
  • United Airlines is a very popular airline operating an average of 4298 flights per month.
  • One-way flights from Denver International Airport to Dulles International Airport currently start from DKK 483, and round-trip fares start from DKK 835. The current lowest fare is a Frontier Airlines flight departing on Sat, Dec 5; prices may vary depending on availability.
  • Yes. United Airlines operate direct flights from Denver International Airport to Dulles International Airport, with an average flight time of 3 hours 14 minutes, and around 59 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Denver International Airport to Dulles International Airport is DKK 2,064. Prices may vary depending on the departure date, airline, and availability.
  • Denver International Airport to Dulles International Airport operates around 59 weekly flights, mainly by United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Denver International Airport and Dulles International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Find Cheap Flights with Trip.com

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

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, 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 have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed 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 visit the customer support pages.