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Denver International Airport to Ronald Reagan Washington National Airport flight
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Denver International Airport to Ronald Reagan Washington National Airport Flights Info

Cheapest one-way
US$142
Frontier Airlines Frontier Airlines 3h 25m · Nonstop Sun, Dec 13
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Cheapest round-trip
US$215
Frontier Airlines Frontier Airlines 3h 20m · 1 stop Sat, Dec 5 - Tue, Dec 8
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When to travel
January
Cheapest
Recommended airlines
Frontier Airlines Frontier AirlinesCheapest· From US$142 Frontier Airlines Frontier AirlinesMost booked

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 US$142 and round-trip from US$215. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      DEN 7:30 AM
      3h 25m
      Nonstop
      DCA 12:55 PM
      Denver - Washington D.C. | Sun, Dec 13 | Frontier Airlines
      US$142 US$177
      20% off
      20% off
      US$177 US$142
    • Cheapest
      DEN 7:00 AM
      3h 25m
      Nonstop
      DCA 12:25 PM
      Denver - Washington D.C. | Sun, Dec 20 | Frontier Airlines
      US$142 US$177
      20% off
      20% off
      US$177 US$142
    • Cheapest
      DEN 7:10 AM
      3h 25m
      Nonstop
      DCA 12:35 PM
      Denver - Washington D.C. | Sat, Jan 9 | Frontier Airlines
      US$142 US$177
      20% off
      20% off
      US$177 US$142
    • DEN 7:30 AM
      3h 25m
      Nonstop
      DCA 12:55 PM
      Denver - Washington D.C. | Sun, Dec 6 | Frontier Airlines
      US$143
      19% off
      US$177 US$143
    • DEN 7:10 AM
      3h 25m
      Nonstop
      DCA 12:35 PM
      Denver - Washington D.C. | Thu, Jan 14 | Frontier Airlines
      US$144
      19% off
      US$177 US$144
    • DEN 11:35 AM
      3h 20m
      Nonstop
      DCA 4:55 PM
      Denver - Washington D.C. | Sat, Dec 5 | Frontier Airlines
      US$144
      19% off
      US$177 US$144
    • DEN 4:40 PM
      3h 15m
      Nonstop
      DCA 9:55 PM
      Denver - Washington D.C. | Wed, Dec 2 | Frontier Airlines
      US$144
      19% off
      US$177 US$144
    • DEN 7:30 AM
      3h 25m
      Nonstop
      DCA 12:55 PM
      Denver - Washington D.C. | Mon, Dec 14 | Frontier Airlines
      US$144
      19% off
      US$177 US$144
    • DEN 7:00 AM
      3h 25m
      Nonstop
      DCA 12:25 PM
      Denver - Washington D.C. | Wed, Jan 6 | Frontier Airlines
      US$144
      19% off
      US$177 US$144
    • DEN 1:00 PM
      17h 25m
      1 stop
      WAS 2:00 PM
      Denver - Washington D.C. | Tue, Nov 17 | Normal Airline
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    • Cheapest nonstop
      DEN 6:45 AM
      3h 24m
      Nonstop
      DCA 12:09 PM
      Denver - Washington D.C. | Fri, Nov 20 | Frontier Airlines
      DCA 7:00 AM
      4h 16m
      Nonstop
      DEN 9:16 AM
      Washington D.C. - Denver | Fri, Nov 27 | Frontier Airlines
      US$229 US$320
      28% off
      28% off
      US$320 US$229
    • DEN 11:35 AM
      3h 20m
      Nonstop
      DCA 4:55 PM
      Denver - Washington D.C. | Sat, Dec 5 | Frontier Airlines
      IAD 8:55 PM
      13h 55m
      1 stop
      DEN 8:50 AM
      Washington D.C. - Denver | Tue, Dec 8 | Frontier Airlines
      US$215 US$320
      33% off
      33% off
      US$320 US$215
    • DEN 4:40 PM
      3h 19m
      Nonstop
      DCA 9:59 PM
      Denver - Washington D.C. | Tue, Dec 15 | Frontier Airlines
      IAD 12:06 PM
      9h 49m
      1 stop
      DEN 7:55 PM
      Washington D.C. - Denver | Wed, Dec 16 | Frontier Airlines
      US$226 US$320
      28% off
      28% off
      US$320 US$226
    • DEN 11:35 AM
      3h 17m
      Nonstop
      DCA 4:52 PM
      Denver - Washington D.C. | Fri, Dec 4 | Frontier Airlines
      IAD 8:55 PM
      13h 55m
      1 stop
      DEN 8:50 AM
      Washington D.C. - Denver | Tue, Dec 8 | Frontier Airlines
      US$227
      28% off
      US$320 US$227
    • DEN 4:40 PM
      3h 15m
      Nonstop
      DCA 9:55 PM
      Denver - Washington D.C. | Tue, Dec 1 | Frontier Airlines
      IAD 10:35 PM
      9h 54m
      1 stop
      DEN 6:29 AM
      Washington D.C. - Denver | Mon, Dec 7 | Frontier Airlines
      US$230
      28% off
      US$320 US$230
    • DEN 7:30 AM
      3h 18m
      Nonstop
      DCA 12:48 PM
      Denver - Washington D.C. | Wed, Dec 2 | Frontier Airlines
      IAD 10:35 PM
      9h 54m
      1 stop
      DEN 6:29 AM
      Washington D.C. - Denver | Tue, Dec 8 | Frontier Airlines
      US$230
      28% off
      US$320 US$230
    • DEN 7:30 AM
      3h 18m
      Nonstop
      DCA 12:48 PM
      Denver - Washington D.C. | Thu, Dec 3 | Frontier Airlines
      IAD 12:06 PM
      9h 51m
      1 stop
      DEN 7:57 PM
      Washington D.C. - Denver | Wed, Dec 9 | Frontier Airlines
      US$231
      28% off
      US$320 US$231
    • DEN 4:40 PM
      3h 19m
      Nonstop
      DCA 9:59 PM
      Denver - Washington D.C. | Wed, Jan 6 | Frontier Airlines
      IAD 10:37 PM
      10h 31m
      1 stop
      DEN 7:08 AM
      Washington D.C. - Denver | Mon, Jan 11 | Frontier Airlines
      US$234
      27% off
      US$320 US$234
    • DEN 7:41 AM
      3h 18m
      Nonstop
      DCA 12:59 PM
      Denver - Washington D.C. | Tue, Nov 24 | Frontier Airlines
      IAD 10:33 PM
      10h 3m
      1 stop
      DEN 6:36 AM
      Washington D.C. - Denver | Tue, Dec 1 | Frontier Airlines
      US$236
      26% off
      US$320 US$236
    • DEN 1:00 PM
      17h 25m
      1 stop
      WAS 2:00 PM
      Denver - Washington D.C. | Tue, Nov 17 | Normal Airline
      WAS 3:00 PM
      6h
      Nonstop
      DEN 4:00 PM
      Washington D.C. - Denver | Thu, Nov 19 | Normal Airline
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    • Cheapest nonstop
      DEN 7:30 AM
      3h 25m
      Nonstop
      DCA 12:55 PM
      Denver - Washington D.C. | Sun, Dec 13 | Frontier Airlines
      US$142 US$177
      20% off
      20% off
      US$177 US$142
    • DEN 7:00 AM
      3h 25m
      Nonstop
      DCA 12:25 PM
      Denver - Washington D.C. | Sun, Dec 20 | Frontier Airlines
      US$142 US$177
      20% off
      20% off
      US$177 US$142
    • DEN 7:10 AM
      3h 25m
      Nonstop
      DCA 12:35 PM
      Denver - Washington D.C. | Sat, Jan 9 | Frontier Airlines
      US$142 US$177
      20% off
      20% off
      US$177 US$142
    • DEN 7:30 AM
      3h 25m
      Nonstop
      DCA 12:55 PM
      Denver - Washington D.C. | Sun, Dec 6 | Frontier Airlines
      US$143
      19% off
      US$177 US$143
    • DEN 7:10 AM
      3h 25m
      Nonstop
      DCA 12:35 PM
      Denver - Washington D.C. | Thu, Jan 14 | Frontier Airlines
      US$144
      19% off
      US$177 US$144
    • DEN 11:35 AM
      3h 20m
      Nonstop
      DCA 4:55 PM
      Denver - Washington D.C. | Sat, Dec 5 | Frontier Airlines
      US$144
      19% off
      US$177 US$144
    • DEN 4:40 PM
      3h 15m
      Nonstop
      DCA 9:55 PM
      Denver - Washington D.C. | Wed, Dec 2 | Frontier Airlines
      US$144
      19% off
      US$177 US$144
    • DEN 7:30 AM
      3h 25m
      Nonstop
      DCA 12:55 PM
      Denver - Washington D.C. | Mon, Dec 14 | Frontier Airlines
      US$144
      19% off
      US$177 US$144
    • DEN 7:00 AM
      3h 25m
      Nonstop
      DCA 12:25 PM
      Denver - Washington D.C. | Wed, Jan 6 | Frontier Airlines
      US$144
      19% off
      US$177 US$144
    • DEN 1:00 PM
      17h 25m
      1 stop
      WAS 2:00 PM
      Denver - Washington D.C. | Tue, Nov 17 | Normal Airline
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    • Cheapest nonstop
      DEN 7:30 AM
      3h 25m
      Nonstop
      DCA 12:55 PM
      Denver - Washington D.C. | Sun, Dec 13 | Frontier Airlines
      US$142 US$610
      77% off
      77% off
      US$610 US$142
    • DEN 7:10 AM
      3h 25m
      Nonstop
      DCA 12:35 PM
      Denver - Washington D.C. | Sat, Jan 9 | Frontier Airlines
      US$142 US$610
      77% off
      77% off
      US$610 US$142
    • DEN 7:30 AM
      3h 25m
      Nonstop
      DCA 12:55 PM
      Denver - Washington D.C. | Sat, Dec 5 | Frontier Airlines
      US$144 US$610
      76% off
      76% off
      US$610 US$144
    • DEN 4:40 PM
      3h 15m
      Nonstop
      DCA 9:55 PM
      Denver - Washington D.C. | Wed, Dec 2 | Frontier Airlines
      US$144
      76% off
      US$610 US$144
    • DEN 4:40 PM
      3h 19m
      Nonstop
      DCA 9:59 PM
      Denver - Washington D.C. | Tue, Jan 5 | Frontier Airlines
      US$144
      76% off
      US$610 US$144
    • DEN 7:00 AM
      3h 25m
      Nonstop
      DCA 12:25 PM
      Denver - Washington D.C. | Wed, Jan 6 | Frontier Airlines
      US$144
      76% off
      US$610 US$144
    • DEN 4:40 PM
      3h 19m
      Nonstop
      DCA 9:59 PM
      Denver - Washington D.C. | Wed, Dec 9 | Frontier Airlines
      US$145
      76% off
      US$610 US$145
    • DEN 11:35 AM
      3h 20m
      Nonstop
      DCA 4:55 PM
      Denver - Washington D.C. | Sat, Dec 12 | Frontier Airlines
      US$145
      76% off
      US$610 US$145
    • DEN 4:40 PM
      3h 15m
      Nonstop
      DCA 9:55 PM
      Denver - Washington D.C. | Tue, Dec 1 | Frontier Airlines
      US$157
      74% off
      US$610 US$157
    • DEN 1:00 PM
      17h 25m
      1 stop
      WAS 2:00 PM
      Denver - Washington D.C. | Tue, Nov 17 | Normal Airline
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    • Cheapest nonstop
      DEN 6:45 AM
      3h 24m
      Nonstop
      DCA 12:09 PM
      Denver - Washington D.C. | Mon, Nov 16 | Frontier Airlines
      US$240 US$598
      60% off
      60% off
      US$598 US$240
    • DEN 5:30 AM
      6h 14m
      1 stop
      DCA 1:44 PM
      Denver - Washington D.C. | Tue, Nov 17 | American Airlines
      US$390 US$598
      35% off
      35% off
      US$598 US$390
    • DEN 9:35 AM
      3h 20m
      Nonstop
      DCA 2:55 PM
      Denver - Washington D.C. | Tue, Nov 17 | United Airlines
      US$382 US$598
      36% off
      36% off
      US$598 US$382
    • DEN 4:35 PM
      3h 15m
      Nonstop
      DCA 9:50 PM
      Denver - Washington D.C. | Tue, Nov 17 | Frontier Airlines
      US$258
      56% off
      US$598 US$258
    • DEN 6:45 AM
      3h 24m
      Nonstop
      DCA 12:09 PM
      Denver - Washington D.C. | Wed, Nov 18 | Frontier Airlines
      US$232
      61% off
      US$598 US$232
    • DEN 9:35 AM
      3h 20m
      Nonstop
      DCA 2:55 PM
      Denver - Washington D.C. | Wed, Nov 18 | United Airlines
      US$389
      35% off
      US$598 US$389
    • DEN 12:24 PM
      5h 32m
      1 stop
      DCA 7:56 PM
      Denver - Washington D.C. | Wed, Nov 18 | American Airlines
      US$396
      34% off
      US$598 US$396
    • DEN 6:45 AM
      3h 24m
      Nonstop
      DCA 12:09 PM
      Denver - Washington D.C. | Thu, Nov 19 | Frontier Airlines
      US$166
      72% off
      US$598 US$166
    • DEN 8:20 AM
      5h 46m
      1 stop
      DCA 4:06 PM
      Denver - Washington D.C. | Thu, Nov 19 | American Airlines
      US$284
      53% off
      US$598 US$284
    • DEN 1:00 PM
      17h 25m
      1 stop
      WAS 2:00 PM
      Denver - Washington D.C. | Tue, Nov 17 | Normal Airline
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    • DEN 4:40 PM
      3h 15m
      Nonstop
      DCA 9:55 PM
      Denver - Washington D.C. | Wed, Dec 2 | Frontier Airlines
      US$144 US$177
      19% off
      19% off
      US$177 US$144
    • DEN 4:40 PM
      3h 15m
      Nonstop
      DCA 9:55 PM
      Denver - Washington D.C. | Tue, Dec 1 | Frontier Airlines
      US$157 US$424
      63% off
      63% off
      US$424 US$157
    • DEN 4:40 PM
      3h 15m
      Nonstop
      DCA 9:55 PM
      Denver - Washington D.C. | Tue, Nov 24 | Frontier Airlines
      US$247 US$418
      41% off
      41% off
      US$418 US$247
    • DEN 4:35 PM
      3h 15m
      Nonstop
      DCA 9:50 PM
      Denver - Washington D.C. | Wed, Nov 18 | Frontier Airlines
      US$258
      38% off
      US$418 US$258
    • DEN 4:35 PM
      3h 15m
      Nonstop
      DCA 9:50 PM
      Denver - Washington D.C. | Tue, Nov 17 | Frontier Airlines
      US$258
      38% off
      US$418 US$258
    • DEN 4:35 PM
      3h 15m
      Nonstop
      DCA 9:50 PM
      Denver - Washington D.C. | Thu, Nov 19 | Frontier Airlines
      US$260
      38% off
      US$418 US$260
    • DEN 4:40 PM
      3h 15m
      Nonstop
      DCA 9:55 PM
      Denver - Washington D.C. | Fri, Nov 27 | Frontier Airlines
      US$270
      35% off
      US$418 US$270
    • DEN 4:40 PM
      3h 15m
      Nonstop
      DCA 9:55 PM
      Denver - Washington D.C. | Fri, Nov 20 | Frontier Airlines
      US$270
      35% off
      US$418 US$270
    • DEN 4:40 PM
      3h 15m
      Nonstop
      DCA 9:55 PM
      Denver - Washington D.C. | Sat, Nov 21 | Frontier Airlines
      US$291
      31% off
      US$424 US$291
    • DEN 1:00 PM
      17h 25m
      1 stop
      WAS 2:00 PM
      Denver - Washington D.C. | Tue, Nov 17 | 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 Ronald Reagan Washington National Airport?

The cheapest airline flying from Denver International Airport to Ronald Reagan Washington National Airport is Frontier Airlines (from US$142) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.
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Frontier Airlines logo Frontier Airlines

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 US$105. Try to avoid June, when prices are highest, averaging around US$326.

US$326
US$216
US$105
0
    Cheapest
  • US$241
    Nov
  • US$168
    Dec
  • US$105
    Jan
  • US$113
    Feb
  • US$158
    Mar
  • US$130
    Apr
  • US$184
    May
  • US$326
    Jun
  • US$224
    Jul
  • US$163
    Aug
  • US$210
    Sep
  • US$225
    Oct

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 Thursday, with average fares typically lower than other days. Try to avoid departing on Sunday, as prices are usually the highest on that day.

US$230
US$191
US$151
US$112
    Cheapest
  • US$194
    Mon
  • US$214
    Tue
  • US$156
    Wed
  • US$151
    Thu
  • US$184
    Fri
  • US$155
    Sat
  • US$230
    Sun

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

    4:40 PM

    DEN

    3h 30m

    10:10 PM

    DCA

    S M T W T F S
    Search

  2. F9688

    Denver International Airport

    11:35 AM

    DEN

    3h 24m

    4:59 PM

    DCA

    S M - W T F S
    Search

  3. F9686

    Denver International Airport

    6:50 AM

    DEN

    3h 25m

    12:15 PM

    DCA

    S - T W T F S
    Search

  4. F93294

    Denver International Airport

    10:42 AM

    DEN

    3h 28m

    Nonstop

    4:10 PM

    ATL

    S M T W - F S
    Search

  5. DL703

    Hartsfield–Jackson Atlanta International Airport

    6:30 PM

    ATL

    1h 43m

    Nonstop

    8:13 PM

    DCA

    S M T W T F S
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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 18 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 16:35, with about 7 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 US$385 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 US$142, and round-trip fares start from US$215. The current lowest fare is a Frontier Airlines flight departing on Sun, Dec 13; 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 54 minutes, and around 37 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 US$327. 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 US$142. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Denver International Airport to Ronald Reagan Washington National Airport operates around 38 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.

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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.