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Denver to Ronald Reagan Washington National Airport flight

Explore the cheapest one-way and round-trip flights from Denver to Ronald Reagan Washington National Airport over the next 90 days, with one-way fares from €89 and round-trip from €169. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        DEN 16:28
        3h 31m
        Direct
        DCA 21:59
        Denver - Washington D.C. | Tue, Sep 22 | Frontier Airlines
        DCA 07:00
        4h 3m
        Direct
        DEN 09:03
        Washington D.C. - Denver | Tue, Sep 29 | Frontier Airlines
        €182 €256
        28% off
        28% off
        €256 €182
      • DEN 07:30
        3h 21m
        Direct
        DCA 12:51
        Denver - Washington D.C. | Mon, Aug 31 | Frontier Airlines
        DCA 07:00
        4h 1m
        Direct
        DEN 09:01
        Washington D.C. - Denver | Mon, Sep 7 | Frontier Airlines
        €184 €256
        28% off
        28% off
        €256 €184
      • DEN 16:28
        3h 31m
        Direct
        DCA 21:59
        Denver - Washington D.C. | Tue, Sep 29 | Frontier Airlines
        IAD 06:00
        11h
        1 stop
        DEN 15:00
        Washington D.C. - Denver | Sat, Oct 3 | Frontier Airlines
        €169 €256
        34% off
        34% off
        €256 €169
      • DEN 06:45
        3h 26m
        Direct
        DCA 12:11
        Denver - Washington D.C. | Sat, Oct 10 | Frontier Airlines
        IAD 06:00
        8h 51m
        1 stop
        DEN 12:51
        Washington D.C. - Denver | Mon, Oct 12 | Frontier Airlines
        €170
        34% off
        €256 €170
      • DEN 16:33
        3h 26m
        Direct
        DCA 21:59
        Denver - Washington D.C. | Thu, Oct 15 | Frontier Airlines
        IAD 14:07
        10h 23m
        1 stop
        DEN 22:30
        Washington D.C. - Denver | Sat, Oct 17 | Frontier Airlines
        €173
        32% off
        €256 €173
      • DEN 06:45
        3h 26m
        Direct
        DCA 12:11
        Denver - Washington D.C. | Fri, Sep 18 | Frontier Airlines
        IAD 21:04
        13h
        1 stop
        DEN 08:04
        Washington D.C. - Denver | Thu, Sep 24 | Frontier Airlines
        €173
        32% off
        €256 €173
      • DEN 16:28
        3h 31m
        Direct
        DCA 21:59
        Denver - Washington D.C. | Wed, Sep 23 | Frontier Airlines
        IAD 16:36
        7h 13m
        1 stop
        DEN 21:49
        Washington D.C. - Denver | Sun, Sep 27 | Frontier Airlines
        €173
        32% off
        €256 €173
      • DEN 06:45
        3h 26m
        Direct
        DCA 12:11
        Denver - Washington D.C. | Tue, Sep 22 | Frontier Airlines
        IAD 16:36
        7h 13m
        1 stop
        DEN 21:49
        Washington D.C. - Denver | Mon, Sep 28 | Frontier Airlines
        €174
        32% off
        €256 €174
      • DEN 11:23
        3h 36m
        Direct
        DCA 16:59
        Denver - Washington D.C. | Wed, Sep 16 | Frontier Airlines
        IAD 11:12
        10h 25m
        1 stop
        DEN 19:37
        Washington D.C. - Denver | Sat, Sep 19 | Frontier Airlines
        €175
        32% off
        €256 €175
      • DEN 07:30
        3h 21m
        Direct
        DCA 12:51
        Denver - Washington D.C. | Thu, Sep 10 | Frontier Airlines
        IAD 06:00
        8h 46m
        1 stop
        DEN 12:46
        Washington D.C. - Denver | Thu, Sep 17 | Frontier Airlines
        €175
        32% off
        €256 €175
      • DEN 06:45
        3h 26m
        Direct
        DCA 12:11
        Denver - Washington D.C. | Tue, Sep 15 | Frontier Airlines
        IAD 06:00
        8h 46m
        1 stop
        DEN 12:46
        Washington D.C. - Denver | Thu, Sep 17 | Frontier Airlines
        €175
        32% off
        €256 €175
      • DEN 07:30
        3h 21m
        Direct
        DCA 12:51
        Denver - Washington D.C. | Fri, Sep 11 | Frontier Airlines
        IAD 06:00
        8h 46m
        1 stop
        DEN 12:46
        Washington D.C. - Denver | Thu, Sep 17 | Frontier Airlines
        €175
        32% off
        €256 €175
      • DEN 06:45
        3h 26m
        Direct
        DCA 12:11
        Denver - Washington D.C. | Thu, Oct 1 | Frontier Airlines
        IAD 16:36
        7h 13m
        1 stop
        DEN 21:49
        Washington D.C. - Denver | Mon, Oct 5 | Frontier Airlines
        €175
        32% off
        €256 €175
      • DEN 06:45
        3h 26m
        Direct
        DCA 12:11
        Denver - Washington D.C. | Fri, Oct 2 | Frontier Airlines
        IAD 16:36
        7h 13m
        1 stop
        DEN 21:49
        Washington D.C. - Denver | Sun, Oct 4 | Frontier Airlines
        €175
        32% off
        €256 €175
      • DEN 13:00
        17h 25m
        1 stop
        WAS 14:00
        Denver - Washington D.C. | Sat, Aug 22 | Normal Airline
        WAS 15:00
        6h
        Direct
        DEN 16:00
        Washington D.C. - Denver | Mon, Aug 24 | Normal Airline
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      • Cheapest nonstop
        DEN 16:28
        3h 31m
        Direct
        DCA 21:59
        Denver - Washington D.C. | Sun, Oct 4 | Frontier Airlines
        €92 €138
        33% off
        33% off
        €138 €92
      • DEN 16:28
        3h 31m
        Direct
        DCA 21:59
        Denver - Washington D.C. | Mon, Sep 7 | Frontier Airlines
        €94 €138
        32% off
        32% off
        €138 €94
      • DEN 06:45
        3h 26m
        Direct
        DCA 12:11
        Denver - Washington D.C. | Fri, Sep 25 | Frontier Airlines
        €94 €138
        32% off
        32% off
        €138 €94
      • DEN 16:32
        3h 26m
        Direct
        DCA 21:58
        Denver - Washington D.C. | Sun, Oct 11 | Frontier Airlines
        €96
        30% off
        €138 €96
      • DEN 16:28
        3h 31m
        Direct
        DCA 21:59
        Denver - Washington D.C. | Mon, Sep 21 | Frontier Airlines
        €96
        30% off
        €138 €96
      • DEN 16:28
        3h 31m
        Direct
        DCA 21:59
        Denver - Washington D.C. | Sun, Sep 20 | Frontier Airlines
        €97
        30% off
        €138 €97
      • DEN 16:32
        3h 26m
        Direct
        DCA 21:58
        Denver - Washington D.C. | Wed, Sep 16 | Frontier Airlines
        €97
        30% off
        €138 €97
      • DEN 16:28
        3h 31m
        Direct
        DCA 21:59
        Denver - Washington D.C. | Sat, Oct 10 | Frontier Airlines
        €97
        30% off
        €138 €97
      • DEN 16:32
        3h 26m
        Direct
        DCA 21:58
        Denver - Washington D.C. | Sat, Sep 19 | Frontier Airlines
        €98
        28% off
        €138 €98
      • DEN 11:30
        3h 26m
        Direct
        DCA 16:56
        Denver - Washington D.C. | Wed, Sep 30 | Frontier Airlines
        €98
        28% off
        €138 €98
      • DEN 16:28
        3h 31m
        Direct
        DCA 21:59
        Denver - Washington D.C. | Wed, Sep 9 | Frontier Airlines
        €99
        28% off
        €138 €99
      • DEN 06:40
        7h 52m
        1 stop
        DCA 16:32
        Denver - Washington D.C. | Sat, Sep 19 | Delta Air Lines
        €89
        36% off
        €138 €89
      • DEN 13:00
        17h 25m
        1 stop
        WAS 14:00
        Denver - Washington D.C. | Sat, Aug 22 | Normal Airline
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Displayed flight fares from Denver to Ronald Reagan Washington National Airport are based on average prices across airlines for the next 3 months according to the latest Trip.com data.

Trip.com Price Insights: Flights from Denver to Ronald Reagan Washington National Airport

What is the cheapest month for one-way flights from Denver to Ronald Reagan Washington National Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Denver to Ronald Reagan Washington National Airport for each month in the Trip.com database.

According to Trip.com's data from the past 12 months, the cheapest month for one-way flights from Denver to Ronald Reagan Washington National Airport is September, with an average price of €89, while the most expensive month is usually June, with an average price of €277.

€277
€183
€89
0
    Cheapest
  • €136
    Aug
  • €89
    Sep
  • €93
    Oct
  • €195
    Nov
  • €143
    Dec
  • €90
    Jan
  • €96
    Feb
  • €134
    Mar
  • €110
    Apr
  • €156
    May
  • €277
    Jun
  • €190
    Jul

What is the cheapest day of the week to fly from Denver to Ronald Reagan Washington National Airport?

The data is based on the past 12 months and shows the average ticket prices from Denver to Ronald Reagan Washington National Airport for each day of the week in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest departure from Denver to Ronald Reagan Washington National Airport is on Wednesday, when prices are usually lower than other days. Avoid departing on Tuesday as fares are typically highest on that day.

€237
€176
€115
€54
    Cheapest
  • €161
    Mon
  • €237
    Tue
  • €115
    Wed
  • €115
    Thu
  • €135
    Fri
  • €121
    Sat
  • €183
    Sun

Which airlines are the most popular for Denver to Ronald Reagan Washington National Airport flights?

The most popular airlines flying from Denver to Ronald Reagan Washington National Airport are Frontier Airlines, Delta Air Lines, and United Airlines, among 3 carriers on this route. Delta Air Lines offers the lowest fares. Based on Trip.com's flight booking data from the previous 12 months.
Frontier Airlines logo Frontier Airlines
Delta Air Lines logo Delta Air Lines
United Airlines logo United Airlines

Flight Schedule from Denver to Ronald Reagan Washington National Airport

Flight info.
Departure
Arrival
Weekly Schedule

  1. F9690

    Denver International Airport

    16:35

    DEN

    3h 15m

    21:50

    DCA

    S M T W T F S
    Search

  2. F9686

    Denver International Airport

    06:45

    DEN

    3h 24m

    12:09

    DCA

    S - T W T F S
    Search

  3. F9688

    Denver International Airport

    11:30

    DEN

    3h 17m

    16:47

    DCA

    S M - W T F S
    Search

  4. B6994

    Denver International Airport

    23:37

    DEN

    3h 53m

    Direct

    05:30

    BOS

    S M T W T F S
    Search

  5. DL5693

    Boston Logan International Airport

    09:15

    BOS

    1h 54m

    Direct

    11:09

    DCA

    S M T W T F -

  6. F91450

    Denver International Airport

    23:59

    DEN

    2h 52m

    Direct

    04:51

    ATL

    S M T W T F S
    Search

  7. DL727

    Hartsfield–Jackson Atlanta International Airport

    19:30

    ATL

    1h 45m

    Direct

    21:15

    DCA

    S M T W T F S

  8. F91450

    Denver International Airport

    23:59

    DEN

    2h 52m

    Direct

    04:51

    ATL

    S M T W T F S
    Search

  9. DL537

    Hartsfield–Jackson Atlanta International Airport

    21:59

    ATL

    1h 45m

    Direct

    23:44

    DCA

    S M T W T F S
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What to know about flights from Denver to Ronald Reagan Washington National Airport?

Cheapest return ticket price €169
Cheapest one-way flight price €62
Off-season travel month November
Peak season for travel July

FAQs for Denver to Ronald Reagan Washington National Airport Flights

  • When are flight tickets from Denver (DEN) to Washington D.C. (WAS) the cheapest?

    Airlines adjust prices for flights from Denver to Washington D.C. based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • According to Trip.com's data, the lowest price is around €251.
  • It takes about 3 hours 30 minutes to fly from Denver (DEN) to Washington D.C. (WAS).
  • Airlines with flights from Denver (DEN) to Washington D.C. (WAS): United Airlines, Copa Airlines, Air Canada, Brussels Airlines, Lufthansa, avianca and Ethiopian Airlines.
  • United Airlines operates 2 direct flights from Denver (DEN) to Washington D.C. (WAS).
  • There are 2 airport(s) in Washington D.C. (WAS): Ronald Reagan Washington National Airport and Dulles International Airport.

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.