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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 £96 and round-trip from £145. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        DEN 16:35
        3h 15m
        Direct
        DCA 21:50
        Denver - Washington D.C. | Fri, Nov 6 | Frontier Airlines
        DCA 07:00
        4h 16m
        Direct
        DEN 09:16
        Washington D.C. - Denver | Tue, Nov 10 | Frontier Airlines
        £145 £237
        39% off
        39% off
        £237 £145
      • DEN 06:45
        3h 24m
        Direct
        DCA 12:09
        Denver - Washington D.C. | Thu, Oct 29 | Frontier Airlines
        DCA 18:00
        4h 10m
        Direct
        DEN 20:10
        Washington D.C. - Denver | Thu, Oct 29 | Frontier Airlines
        £152 £237
        36% off
        36% off
        £237 £152
      • DEN 16:33
        3h 26m
        Direct
        DCA 21:59
        Denver - Washington D.C. | Sat, Oct 10 | Frontier Airlines
        DCA 18:00
        4h 3m
        Direct
        DEN 20:03
        Washington D.C. - Denver | Sat, Oct 17 | Frontier Airlines
        £166 £237
        30% off
        30% off
        £237 £166
      • DEN 16:35
        3h 15m
        Direct
        DCA 21:50
        Denver - Washington D.C. | Mon, Nov 16 | Frontier Airlines
        DCA 07:00
        4h 16m
        Direct
        DEN 09:16
        Washington D.C. - Denver | Fri, Nov 20 | Frontier Airlines
        £167
        30% off
        £237 £167
      • DEN 16:28
        3h 31m
        Direct
        DCA 21:59
        Denver - Washington D.C. | Fri, Oct 2 | Frontier Airlines
        DCA 18:00
        3h 52m
        Direct
        DEN 19:52
        Washington D.C. - Denver | Sat, Oct 3 | Frontier Airlines
        £168
        28% off
        £237 £168
      • DEN 06:45
        3h 26m
        Direct
        DCA 12:11
        Denver - Washington D.C. | Mon, Sep 28 | Frontier Airlines
        IAD 13:50
        10h 18m
        1 stop
        DEN 22:08
        Washington D.C. - Denver | Mon, Oct 5 | Frontier Airlines
        £155
        35% off
        £237 £155
      • DEN 06:45
        3h 26m
        Direct
        DCA 12:11
        Denver - Washington D.C. | Sat, Sep 26 | Frontier Airlines
        IAD 06:00
        8h 51m
        1 stop
        DEN 12:51
        Washington D.C. - Denver | Wed, Sep 30 | Frontier Airlines
        £155
        35% off
        £237 £155
      • DEN 11:30
        3h 17m
        Direct
        DCA 16:47
        Denver - Washington D.C. | Thu, Nov 12 | Frontier Airlines
        IAD 21:06
        13h 16m
        1 stop
        DEN 08:22
        Washington D.C. - Denver | Tue, Nov 17 | Frontier Airlines
        £160
        32% off
        £237 £160
      • DEN 11:30
        3h 17m
        Direct
        DCA 16:47
        Denver - Washington D.C. | Tue, Nov 10 | Frontier Airlines
        IAD 21:06
        13h 16m
        1 stop
        DEN 08:22
        Washington D.C. - Denver | Tue, Nov 17 | Frontier Airlines
        £162
        32% off
        £237 £162
      • DEN 11:30
        3h 17m
        Direct
        DCA 16:47
        Denver - Washington D.C. | Sat, Oct 31 | Frontier Airlines
        IAD 21:06
        13h 16m
        1 stop
        DEN 08:22
        Washington D.C. - Denver | Tue, Nov 3 | Frontier Airlines
        £163
        31% off
        £237 £163
      • DEN 06:45
        3h 26m
        Direct
        DCA 12:11
        Denver - Washington D.C. | Wed, Oct 7 | Frontier Airlines
        IAD 06:00
        8h 48m
        1 stop
        DEN 12:48
        Washington D.C. - Denver | Wed, Oct 14 | Frontier Airlines
        £165
        30% off
        £237 £165
      • DEN 06:45
        3h 26m
        Direct
        DCA 12:11
        Denver - Washington D.C. | Fri, Sep 25 | Frontier Airlines
        IAD 11:12
        10h 25m
        1 stop
        DEN 19:37
        Washington D.C. - Denver | Fri, Oct 2 | Frontier Airlines
        £168
        28% off
        £237 £168
      • DEN 13:00
        17h 25m
        1 stop
        WAS 14:00
        Denver - Washington D.C. | Sat, Sep 26 | Normal Airline
        WAS 15:00
        6h
        Direct
        DEN 16:00
        Washington D.C. - Denver | Mon, Sep 28 | Normal Airline
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      • Cheapest nonstop
        DEN 16:33
        3h 26m
        Direct
        DCA 21:59
        Denver - Washington D.C. | Wed, Oct 28 | Frontier Airlines
        £96 £150
        36% off
        36% off
        £150 £96
      • DEN 06:45
        3h 26m
        Direct
        DCA 12:11
        Denver - Washington D.C. | Mon, Sep 28 | Frontier Airlines
        £98 £150
        35% off
        35% off
        £150 £98
      • DEN 16:35
        3h 15m
        Direct
        DCA 21:50
        Denver - Washington D.C. | Tue, Nov 10 | Frontier Airlines
        £100 £150
        33% off
        33% off
        £150 £100
      • DEN 16:35
        3h 15m
        Direct
        DCA 21:50
        Denver - Washington D.C. | Wed, Nov 11 | Frontier Airlines
        £100
        33% off
        £150 £100
      • DEN 16:35
        3h 15m
        Direct
        DCA 21:50
        Denver - Washington D.C. | Thu, Nov 12 | Frontier Airlines
        £100
        33% off
        £150 £100
      • DEN 16:35
        3h 15m
        Direct
        DCA 21:50
        Denver - Washington D.C. | Tue, Nov 3 | Frontier Airlines
        £100
        33% off
        £150 £100
      • DEN 16:35
        3h 15m
        Direct
        DCA 21:50
        Denver - Washington D.C. | Wed, Nov 4 | Frontier Airlines
        £100
        33% off
        £150 £100
      • DEN 16:35
        3h 15m
        Direct
        DCA 21:50
        Denver - Washington D.C. | Fri, Nov 6 | Frontier Airlines
        £100
        33% off
        £150 £100
      • DEN 16:35
        3h 15m
        Direct
        DCA 21:50
        Denver - Washington D.C. | Tue, Nov 17 | Frontier Airlines
        £101
        33% off
        £150 £101
      • DEN 16:35
        3h 15m
        Direct
        DCA 21:50
        Denver - Washington D.C. | Mon, Nov 9 | Frontier Airlines
        £101
        33% off
        £150 £101
      • DEN 16:35
        3h 15m
        Direct
        DCA 21:50
        Denver - Washington D.C. | Sat, Nov 21 | Frontier Airlines
        £102
        32% off
        £150 £102
      • DEN 11:30
        3h 17m
        Direct
        DCA 16:47
        Denver - Washington D.C. | Sat, Nov 7 | Frontier Airlines
        £106
        28% off
        £150 £106
      • DEN 13:00
        17h 25m
        1 stop
        WAS 14:00
        Denver - Washington D.C. | Sat, Sep 26 | 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 January, with an average price of £79, while the most expensive month is usually June, with an average price of £245.

£245
£162
£79
0
    Cheapest
  • £87
    Sep
  • £82
    Oct
  • £173
    Nov
  • £126
    Dec
  • £79
    Jan
  • £85
    Feb
  • £119
    Mar
  • £98
    Apr
  • £138
    May
  • £245
    Jun
  • £168
    Jul
  • £123
    Aug

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.

£196
£151
£106
£61
    Cheapest
  • £142
    Mon
  • £196
    Tue
  • £106
    Wed
  • £112
    Thu
  • £120
    Fri
  • £107
    Sat
  • £163
    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 Delta Air Lines, Frontier Airlines, and United Airlines, among 3 carriers on this route. Frontier Airlines offers the lowest fares. Based on Trip.com's flight booking data from the previous 12 months.
Delta Air Lines logo Delta Air Lines
Frontier Airlines logo Frontier Airlines
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

    16:28

    DEN

    3h 31m

    21:59

    DCA

    S M T W T F S
    Search

  2. F9688

    Denver International Airport

    11:30

    DEN

    3h 26m

    16:56

    DCA

    S M - W T F S
    Search

  3. F9686

    Denver International Airport

    06:45

    DEN

    3h 19m

    12:04

    DCA

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

Cheapest return ticket price £145
Cheapest one-way flight price £58
Off-season travel month October
Peak season for travel June

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 £222.
  • A flight from Denver (DEN) to Washington D.C. (WAS) takes an average of 3 hours 49 minutes.
  • 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.
  • One-way flights from Denver to Ronald Reagan Washington National Airport currently start from £96, and round-trip fares start from £145. The lowest fare is currently available on flights operated by Frontier Airlines departing on Wed, Oct 28. Fares are subject to change based on availability.
  • Flights from Denver to Ronald Reagan Washington National Airport are usually cheapest in January, with an average one-way fare of about £79.
  • A direct flight from Denver to Ronald Reagan Washington National Airport takes about 4 hours 21 minutes on average. Actual flight time may vary depending on the route, weather and air traffic.
  • Enter your Denver and Ronald Reagan Washington National 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 cancellation policy, fill in your passenger details and pay to receive your booking confirmation.
  • Yes. Frontier Airlines and United Airlines operate direct flights from Denver to Ronald Reagan Washington National Airport. The flight time is approximately 4 hours 56 minutes, with about 29 flights per week. Actual flight frequency may vary by season.
  • The latest flight from Denver to Ronald Reagan Washington National Airport departs at 16:28, with approximately 7 flights per day. Flight schedules may change, so please check the latest departure times before travelling.
  • Washington D.C. has 2 airports reachable by flights departing from Denver, including Ronald Reagan Washington National Airport and Dulles International Airport. When choosing an airport, consider its distance to the city centre and route coverage.

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.