Trip.com
>
Flights
>
Flights to United States
>
Flights to District of Columbia
>
Flights to Washington D.C.
>
Denver to Washington D.C. flight
>
Denver International Airport to Ronald Reagan Washington National Airport flight

Explore the cheapest one-way and round-trip flights from Denver International Airport to Ronald Reagan Washington National Airport over the next 90 days, with one-way fares from PLN 510 and round-trip from PLN 716. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      DEN 4:17 PM
      14h 43m
      1 stop
      DCA 9:00 AM
      Denver - Washington D.C. | Mon, Nov 9 | Frontier Airlines
      PLN 510 PLN 822
      38% off
      38% off
      PLN 822 PLN 510
    • DEN 4:35 PM
      3h 15m
      Nonstop
      DCA 9:50 PM
      Denver - Washington D.C. | Fri, Nov 13 | Frontier Airlines
      PLN 520 PLN 822
      37% off
      37% off
      PLN 822 PLN 520
    • DEN 4:35 PM
      3h 15m
      Nonstop
      DCA 9:50 PM
      Denver - Washington D.C. | Mon, Nov 16 | Frontier Airlines
      PLN 525 PLN 822
      36% off
      36% off
      PLN 822 PLN 525
    • DEN 11:35 AM
      3h 20m
      Nonstop
      DCA 4:55 PM
      Denver - Washington D.C. | Wed, Dec 16 | Frontier Airlines
      PLN 562
      32% off
      PLN 822 PLN 562
    • DEN 6:45 AM
      3h 19m
      Nonstop
      DCA 12:04 PM
      Denver - Washington D.C. | Sun, Oct 25 | Frontier Airlines
      PLN 562
      49% off
      PLN 1,093 PLN 562
    • DEN 4:40 PM
      3h 15m
      Nonstop
      DCA 9:55 PM
      Denver - Washington D.C. | Sun, Dec 13 | Frontier Airlines
      PLN 563
      32% off
      PLN 822 PLN 563
    • DEN 4:40 PM
      3h 15m
      Nonstop
      DCA 9:55 PM
      Denver - Washington D.C. | Wed, Dec 2 | Frontier Airlines
      PLN 563
      48% off
      PLN 1,093 PLN 563
    • DEN 4:33 PM
      3h 26m
      Nonstop
      DCA 9:59 PM
      Denver - Washington D.C. | Sun, Nov 1 | Frontier Airlines
      PLN 564
      31% off
      PLN 822 PLN 564
    • DEN 4:40 PM
      3h 19m
      Nonstop
      DCA 9:59 PM
      Denver - Washington D.C. | Sat, Dec 19 | Frontier Airlines
      PLN 564
      31% off
      PLN 822 PLN 564
    • DEN 1:00 PM
      17h 25m
      1 stop
      WAS 2:00 PM
      Denver - Washington D.C. | Sun, Oct 25 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      DEN 6:45 AM
      3h 24m
      Nonstop
      DCA 12:09 PM
      Denver - Washington D.C. | Mon, Nov 9 | Frontier Airlines
      DCA 6:00 PM
      4h 10m
      Nonstop
      DEN 8:10 PM
      Washington D.C. - Denver | Mon, Nov 9 | Frontier Airlines
      PLN 788 PLN 1,238
      36% off
      36% off
      PLN 1,238 PLN 788
    • DEN 6:45 AM
      3h 24m
      Nonstop
      DCA 12:09 PM
      Denver - Washington D.C. | Fri, Nov 27 | Frontier Airlines
      DCA 6:00 PM
      4h 10m
      Nonstop
      DEN 8:10 PM
      Washington D.C. - Denver | Mon, Nov 30 | Frontier Airlines
      PLN 866 PLN 1,238
      30% off
      30% off
      PLN 1,238 PLN 866
    • DEN 6:45 AM
      3h 24m
      Nonstop
      DCA 12:09 PM
      Denver - Washington D.C. | Fri, Nov 20 | Frontier Airlines
      IAD 9:06 PM
      13h 16m
      1 stop
      DEN 8:22 AM
      Washington D.C. - Denver | Tue, Nov 24 | Frontier Airlines
      PLN 716 PLN 1,238
      42% off
      42% off
      PLN 1,238 PLN 716
    • DEN 6:45 AM
      3h 19m
      Nonstop
      DCA 12:04 PM
      Denver - Washington D.C. | Fri, Oct 30 | Frontier Airlines
      IAD 12:31 PM
      11h 11m
      1 stop
      DEN 9:42 PM
      Washington D.C. - Denver | Sat, Nov 7 | Frontier Airlines
      PLN 724
      42% off
      PLN 1,238 PLN 724
    • DEN 6:45 AM
      3h 19m
      Nonstop
      DCA 12:04 PM
      Denver - Washington D.C. | Sun, Nov 1 | Frontier Airlines
      IAD 9:06 PM
      13h
      1 stop
      DEN 8:06 AM
      Washington D.C. - Denver | Tue, Nov 3 | Frontier Airlines
      PLN 728
      41% off
      PLN 1,238 PLN 728
    • DEN 6:45 AM
      3h 19m
      Nonstop
      DCA 12:04 PM
      Denver - Washington D.C. | Wed, Nov 4 | Frontier Airlines
      IAD 9:06 PM
      13h 16m
      1 stop
      DEN 8:22 AM
      Washington D.C. - Denver | Fri, Nov 6 | Frontier Airlines
      PLN 744
      40% off
      PLN 1,238 PLN 744
    • DEN 6:45 AM
      3h 24m
      Nonstop
      DCA 12:09 PM
      Denver - Washington D.C. | Sun, Nov 8 | Frontier Airlines
      IAD 12:31 PM
      11h 11m
      1 stop
      DEN 9:42 PM
      Washington D.C. - Denver | Wed, Nov 11 | Frontier Airlines
      PLN 745
      40% off
      PLN 1,238 PLN 745
    • DEN 6:45 AM
      3h 19m
      Nonstop
      DCA 12:04 PM
      Denver - Washington D.C. | Fri, Nov 6 | Frontier Airlines
      IAD 9:06 PM
      13h 16m
      1 stop
      DEN 8:22 AM
      Washington D.C. - Denver | Tue, Nov 10 | Frontier Airlines
      PLN 780
      37% off
      PLN 1,238 PLN 780
    • DEN 6:45 AM
      3h 19m
      Nonstop
      DCA 12:04 PM
      Denver - Washington D.C. | Tue, Nov 3 | Frontier Airlines
      IAD 9:06 PM
      13h 16m
      1 stop
      DEN 8:22 AM
      Washington D.C. - Denver | Tue, Nov 10 | Frontier Airlines
      PLN 804
      35% off
      PLN 1,238 PLN 804
    • DEN 1:00 PM
      17h 25m
      1 stop
      WAS 2:00 PM
      Denver - Washington D.C. | Sun, Oct 25 | Normal Airline
      WAS 3:00 PM
      6h
      Nonstop
      DEN 4:00 PM
      Washington D.C. - Denver | Tue, Oct 27 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      DEN 4:35 PM
      3h 15m
      Nonstop
      DCA 9:50 PM
      Denver - Washington D.C. | Fri, Nov 13 | Frontier Airlines
      PLN 520 PLN 822
      37% off
      37% off
      PLN 822 PLN 520
    • DEN 4:35 PM
      3h 15m
      Nonstop
      DCA 9:50 PM
      Denver - Washington D.C. | Mon, Nov 16 | Frontier Airlines
      PLN 525 PLN 822
      36% off
      36% off
      PLN 822 PLN 525
    • DEN 11:35 AM
      3h 20m
      Nonstop
      DCA 4:55 PM
      Denver - Washington D.C. | Wed, Dec 16 | Frontier Airlines
      PLN 562 PLN 822
      32% off
      32% off
      PLN 822 PLN 562
    • DEN 6:45 AM
      3h 19m
      Nonstop
      DCA 12:04 PM
      Denver - Washington D.C. | Sun, Oct 25 | Frontier Airlines
      PLN 562
      49% off
      PLN 1,093 PLN 562
    • DEN 4:40 PM
      3h 15m
      Nonstop
      DCA 9:55 PM
      Denver - Washington D.C. | Sun, Dec 13 | Frontier Airlines
      PLN 563
      32% off
      PLN 822 PLN 563
    • DEN 4:40 PM
      3h 15m
      Nonstop
      DCA 9:55 PM
      Denver - Washington D.C. | Wed, Dec 2 | Frontier Airlines
      PLN 563
      48% off
      PLN 1,093 PLN 563
    • DEN 4:33 PM
      3h 26m
      Nonstop
      DCA 9:59 PM
      Denver - Washington D.C. | Sun, Nov 1 | Frontier Airlines
      PLN 564
      31% off
      PLN 822 PLN 564
    • DEN 4:40 PM
      3h 19m
      Nonstop
      DCA 9:59 PM
      Denver - Washington D.C. | Sat, Dec 19 | Frontier Airlines
      PLN 564
      31% off
      PLN 822 PLN 564
    • DEN 7:30 AM
      3h 25m
      Nonstop
      DCA 12:55 PM
      Denver - Washington D.C. | Sun, Dec 20 | Frontier Airlines
      PLN 564
      31% off
      PLN 822 PLN 564
    • DEN 1:00 PM
      17h 25m
      1 stop
      WAS 2:00 PM
      Denver - Washington D.C. | Sun, Oct 25 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      DEN 6:45 AM
      3h 19m
      Nonstop
      DCA 12:04 PM
      Denver - Washington D.C. | Sun, Oct 25 | Frontier Airlines
      PLN 562 PLN 2,895
      81% off
      81% off
      PLN 2,895 PLN 562
    • DEN 4:40 PM
      3h 15m
      Nonstop
      DCA 9:55 PM
      Denver - Washington D.C. | Wed, Dec 2 | Frontier Airlines
      PLN 563 PLN 2,895
      81% off
      81% off
      PLN 2,895 PLN 563
    • DEN 4:40 PM
      3h 19m
      Nonstop
      DCA 9:59 PM
      Denver - Washington D.C. | Tue, Dec 15 | Frontier Airlines
      PLN 563 PLN 2,895
      81% off
      81% off
      PLN 2,895 PLN 563
    • DEN 6:45 AM
      3h 24m
      Nonstop
      DCA 12:09 PM
      Denver - Washington D.C. | Sun, Nov 1 | Frontier Airlines
      PLN 601
      79% off
      PLN 2,895 PLN 601
    • DEN 11:30 AM
      3h 17m
      Nonstop
      DCA 4:47 PM
      Denver - Washington D.C. | Tue, Oct 27 | Frontier Airlines
      PLN 601
      79% off
      PLN 2,895 PLN 601
    • DEN 4:35 PM
      3h 15m
      Nonstop
      DCA 9:50 PM
      Denver - Washington D.C. | Fri, Oct 30 | Frontier Airlines
      PLN 601
      79% off
      PLN 2,895 PLN 601
    • DEN 4:35 PM
      3h 15m
      Nonstop
      DCA 9:50 PM
      Denver - Washington D.C. | Fri, Nov 6 | Frontier Airlines
      PLN 602
      79% off
      PLN 2,895 PLN 602
    • DEN 4:35 PM
      3h 15m
      Nonstop
      DCA 9:50 PM
      Denver - Washington D.C. | Sat, Nov 7 | Frontier Airlines
      PLN 602
      79% off
      PLN 2,895 PLN 602
    • DEN 4:35 PM
      3h 15m
      Nonstop
      DCA 9:50 PM
      Denver - Washington D.C. | Wed, Oct 28 | Frontier Airlines
      PLN 603
      79% off
      PLN 2,895 PLN 603
    • DEN 1:00 PM
      17h 25m
      1 stop
      WAS 2:00 PM
      Denver - Washington D.C. | Sun, Oct 25 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      DEN 6:45 AM
      3h 19m
      Nonstop
      DCA 12:04 PM
      Denver - Washington D.C. | Sun, Oct 25 | Frontier Airlines
      PLN 562 PLN 2,270
      75% off
      75% off
      PLN 2,270 PLN 562
    • DEN 11:30 AM
      3h 17m
      Nonstop
      DCA 4:47 PM
      Denver - Washington D.C. | Tue, Oct 27 | Frontier Airlines
      PLN 601 PLN 2,270
      74% off
      74% off
      PLN 2,270 PLN 601
    • DEN 4:35 PM
      3h 15m
      Nonstop
      DCA 9:50 PM
      Denver - Washington D.C. | Fri, Oct 30 | Frontier Airlines
      PLN 601 PLN 2,270
      74% off
      74% off
      PLN 2,270 PLN 601
    • DEN 4:35 PM
      3h 15m
      Nonstop
      DCA 9:50 PM
      Denver - Washington D.C. | Wed, Oct 28 | Frontier Airlines
      PLN 603
      73% off
      PLN 2,270 PLN 603
    • DEN 11:30 AM
      3h 26m
      Nonstop
      DCA 4:56 PM
      Denver - Washington D.C. | Mon, Oct 26 | Frontier Airlines
      PLN 682
      70% off
      PLN 2,270 PLN 682
    • DEN 6:45 AM
      3h 24m
      Nonstop
      DCA 12:09 PM
      Denver - Washington D.C. | Thu, Oct 29 | Frontier Airlines
      PLN 755
      67% off
      PLN 2,270 PLN 755
    • DEN 9:35 AM
      3h 20m
      Nonstop
      DCA 2:55 PM
      Denver - Washington D.C. | Fri, Oct 30 | United Airlines
      PLN 1,063
      53% off
      PLN 2,270 PLN 1,063
    • DEN 9:35 AM
      3h 20m
      Nonstop
      DCA 2:55 PM
      Denver - Washington D.C. | Tue, Oct 27 | United Airlines
      PLN 1,064
      53% off
      PLN 2,270 PLN 1,064
    • DEN 9:35 AM
      3h 20m
      Nonstop
      DCA 2:55 PM
      Denver - Washington D.C. | Wed, Oct 28 | United Airlines
      PLN 1,064
      53% off
      PLN 2,270 PLN 1,064
    • DEN 1:00 PM
      17h 25m
      1 stop
      WAS 2:00 PM
      Denver - Washington D.C. | Sun, Oct 25 | Normal Airline
      Find more flights
      Find more flights
    • DEN 4:35 PM
      3h 15m
      Nonstop
      DCA 9:50 PM
      Denver - Washington D.C. | Fri, Nov 13 | Frontier Airlines
      PLN 520 PLN 822
      37% off
      37% off
      PLN 822 PLN 520
    • DEN 4:35 PM
      3h 15m
      Nonstop
      DCA 9:50 PM
      Denver - Washington D.C. | Mon, Nov 16 | Frontier Airlines
      PLN 525 PLN 822
      36% off
      36% off
      PLN 822 PLN 525
    • DEN 4:40 PM
      3h 15m
      Nonstop
      DCA 9:55 PM
      Denver - Washington D.C. | Sun, Dec 13 | Frontier Airlines
      PLN 563 PLN 822
      32% off
      32% off
      PLN 822 PLN 563
    • DEN 4:40 PM
      3h 15m
      Nonstop
      DCA 9:55 PM
      Denver - Washington D.C. | Wed, Dec 2 | Frontier Airlines
      PLN 563
      48% off
      PLN 1,093 PLN 563
    • DEN 4:35 PM
      3h 15m
      Nonstop
      DCA 9:50 PM
      Denver - Washington D.C. | Sat, Nov 21 | Frontier Airlines
      PLN 571
      31% off
      PLN 822 PLN 571
    • DEN 4:40 PM
      3h 15m
      Nonstop
      DCA 9:55 PM
      Denver - Washington D.C. | Sun, Dec 6 | Frontier Airlines
      PLN 573
      30% off
      PLN 822 PLN 573
    • DEN 4:35 PM
      3h 15m
      Nonstop
      DCA 9:50 PM
      Denver - Washington D.C. | Wed, Nov 4 | Frontier Airlines
      PLN 578
      61% off
      PLN 1,482 PLN 578
    • DEN 4:35 PM
      3h 15m
      Nonstop
      DCA 9:50 PM
      Denver - Washington D.C. | Wed, Nov 11 | Frontier Airlines
      PLN 596
      60% off
      PLN 1,482 PLN 596
    • DEN 4:35 PM
      3h 15m
      Nonstop
      DCA 9:50 PM
      Denver - Washington D.C. | Fri, Oct 30 | Frontier Airlines
      PLN 601
      45% off
      PLN 1,093 PLN 601
    • DEN 1:00 PM
      17h 25m
      1 stop
      WAS 2:00 PM
      Denver - Washington D.C. | Sun, Oct 25 | Normal Airline
      Find more flights
      Find more flights

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.

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

Which month has the lowest one-way flight price from Denver International Airport to Ronald Reagan Washington National Airport?

The data is based on the average one-way flight prices on Trip.com for flights from Denver International Airport to Ronald Reagan Washington National Airport across different months over the past 12 months.

Based on Trip.com data from the past 12 months, if you’re looking for low one-way flight fares from Denver International Airport to Ronald Reagan Washington National Airport, the best time to book is in January, with an average price of PLN 411. Try to avoid June, when prices are highest, averaging around PLN 1,272.

PLN 1,272
PLN 842
PLN 411
0
    Cheapest
  • PLN 445
    Oct
  • PLN 898
    Nov
  • PLN 656
    Dec
  • PLN 411
    Jan
  • PLN 442
    Feb
  • PLN 615
    Mar
  • PLN 505
    Apr
  • PLN 718
    May
  • PLN 1,272
    Jun
  • PLN 874
    Jul
  • PLN 635
    Aug
  • PLN 818
    Sep

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

The data is based on the average flight prices on Trip.com from Denver International Airport to Ronald Reagan Washington National Airport across different days of the week over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to depart from Denver International Airport to Ronald Reagan Washington National Airport is usually Saturday, with average fares typically lower than other days. Try to avoid departing on Tuesday, as prices are usually the highest on that day.

PLN 1,009
PLN 780
PLN 551
PLN 322
    Cheapest
  • PLN 758
    Mon
  • PLN 1,009
    Tue
  • PLN 562
    Wed
  • PLN 591
    Thu
  • PLN 677
    Fri
  • PLN 551
    Sat
  • PLN 889
    Sun

Which airline offers the cheapest flights from Denver International Airport to Ronald Reagan Washington National Airport?

The cheapest airline flying from Denver International Airport to Ronald Reagan Washington National Airport is Frontier Airlines (from PLN 510) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From PLN 510
American Airlines
From PLN 676
Hahn Air
From PLN 707
Delta Air Lines
From PLN 986
United Airlines
From PLN 1,062
Alaska Airlines
From PLN 1,785

Find more flights and airlines

What is the flight schedule from Denver International Airport to Ronald Reagan Washington National 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. F9690

    Denver International Airport

    4:35 PM

    DEN

    3h 15m

    9:50 PM

    DCA

    S M T W T F S
    Search

  2. F9688

    Denver International Airport

    11:30 AM

    DEN

    3h 17m

    4:47 PM

    DCA

    S M - W T F S
    Search

  3. F9686

    Denver International Airport

    6:45 AM

    DEN

    3h 24m

    12:09 PM

    DCA

    S - T W T F -
    Search
Find more flights and airlines

About Denver International Airport and Ronald Reagan Washington National Airport

Learn about Denver International Airport (DEN) and Ronald Reagan Washington National Airport (DCA) — including location, terminals, transportation, and travel tips.

Flight distance 2,371.46 km
Cheapest one-way ticket price PLN 510
Cheapest return ticket price PLN 716

FAQs for Denver International Airport to Ronald Reagan Washington National Airport Flights

  • How long is the flight from Denver International Airport to Ronald Reagan Washington National Airport?

    Denver International Airport to Ronald Reagan Washington National Airport takes about 4 hours 6 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 4 daily flights from Denver International Airport (DEN) to Ronald Reagan Washington National Airport (DCA).
  • The earliest flight from Denver International Airport to Ronald Reagan Washington National Airport departs at 06:45, and the last departs at 16:33, with about 6 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 Ronald Reagan Washington National Airport (DCA) is quite popular. Without considering departure times or holidays, tickets cost around PLN 1,075 in November, the most expensive month to book this route.
  • Frontier Airlines is a very popular airline operating an average of 11147 flights per month.
  • One-way flights from Denver International Airport to Ronald Reagan Washington National Airport currently start from PLN 510, and round-trip fares start from PLN 716. The current lowest fare is a Frontier Airlines flight departing on Mon, Nov 9; prices may vary depending on availability.
  • Yes. Frontier Airlines and United Airlines operate direct flights from Denver International Airport to Ronald Reagan Washington National Airport, with an average flight time of 4 hours 49 minutes, and around 34 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 Ronald Reagan Washington National Airport is PLN 1,190. Prices may vary depending on the departure date, airline, and availability.
  • Frontier Airlines and Volaris are the most popular budget airlines flying from Denver International Airport to Ronald Reagan Washington National Airport, with one-way fares starting from PLN 510. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Denver International Airport to Ronald Reagan Washington National Airport operates around 33 weekly flights, mainly by Frontier Airlines and United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Denver International Airport 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 refund rules, fill in passenger details, and pay to receive your booking confirmation.

Popular Destinations

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

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before payment. Charges for checked baggage, onboard meals, Wi-Fi, and other optional services may also appear in the flight cards where applicable.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and for many routes the data may refresh in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to 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 based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.