Cheap flights from Denver to Washington, D.C.

Flights overview

Useful information for finding cheap flights from Denver to Washington, D.C. and booking your next trip
Cheapest round-trip flights$103
FrontierNonstop4 hrMon, Apr 20 — Tue, Apr 28
The cheapest round-trip flight from Denver to Washington, D.C. is currently $103
Cheapest one-way flight$49
FrontierNonstop4 hrTue, Apr 28
The cheapest one-way flight from Denver to Washington, D.C. is currently $49
Last-minute weekend getaway$338
FrontierNonstop4 hrThu, Mar 19 — Sun, Mar 22
The cheapest last-minute weekend getaway from Denver to Washington, D.C. is currently $338
Cheapest business class flights$326
FrontierNonstop4 hrMon, Apr 27 — Tue, May 5
The cheapest business class round-trip flight from Denver to Washington, D.C. is currently $326
Fastest flight3 hr 5 minThe fastest nonstop flight from Denver to Washington, D.C. takes 3 hr 5 min
Nonstop flightsEvery dayThere are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Denver to Washington, D.C. is typically January. The most expensive month to fly is typically July.
January
Cheapest
Prices in January are usually between $85 and $250.

Popular airlines from Denver to Washington, D.C.

  • United
    Nonstop
    from $217
    Typical price: $205–435
    75 weekly nonstop flights
    DEN - BWI, DCA, IADEvery day
    1790 weekly connecting flights
    DEN - BWI, DCA, IADEvery day
  • Southwest
    Nonstop
    from $217
    Typical price: $215–435
    48 weekly nonstop flights
    DEN - BWI, IADEvery day
    2149 weekly connecting flights
    DEN - BWI, DCA, IADEvery day
  • Frontier
    Nonstop
    from $103
    Typical price: $135–280
    19 weekly nonstop flights
    DEN - DCAEvery day
    73 weekly connecting flights
    DEN - BWI, IADEvery day
  • Delta
    from $257
    Typical price: $240–590
    818 weekly connecting flights
    DEN - BWI, DCA, IADEvery day
  • American
    from $237
    Typical price: $235–510
    621 weekly connecting flights
    DEN - BWI, DCA, IADEvery day
  • Alaska
    from $359
    Typical price: $395–890
    75 weekly connecting flights
    DEN - BWI, DCA, IADEvery day

Popular airports near Denver

  • Denver International Airport (DEN)
    DenverUnited States38 min19 mi
  • Colorado Springs Airport (COS)
    Colorado SpringsUnited States1 hr 27 min66 mi
  • Eagle County Regional Airport (EGE)
    VailUnited States2 hr 19 min103 mi
  • Centennial Airport (APA)
    DenverUnited States27 min14 mi

Popular airports near Washington, D.C.

  • Ronald Reagan Washington National Airport (DCA)
    WashingtonUnited States17 min4 mi
  • Dulles International Airport (IAD)
    WashingtonUnited States53 min22 mi
  • Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI)
    BaltimoreUnited States48 min27 mi
  • Philadelphia International Airport (PHL)
    PhiladelphiaUnited States2 hr 19 min116 mi

Frequently asked questions about flying from Denver to Washington, D.C.

The cheapest flights from Denver to Washington, D.C. are usually in January. Typical ticket prices in January range from $85 to $250.
The cheapest round-trip flight from Denver to Washington, D.C. recently found on Google Flights was with Frontier from $103. The cheapest one-way flight was with Frontier from $49.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest United flight from Denver to Washington, D.C. is $217, flying from Apr 18 to Apr 25.
  • The cheapest Southwest flight from Denver to Washington, D.C. is $217, flying from Apr 18 to Apr 25.
  • The cheapest Frontier flight from Denver to Washington, D.C. is $103, flying from Apr 20 to Apr 28.
  • The cheapest Delta flight from Denver to Washington, D.C. is $257, flying from May 2 to May 9.
  • The cheapest American flight from Denver to Washington, D.C. is $237, flying from May 2 to May 9.
  • The cheapest Alaska flight from Denver to Washington, D.C. is $359, flying from Apr 25 to May 2.
The cheapest round-trip flight from Denver to Washington, D.C. starts at $103 from Mon, Apr 20 to Tue, Apr 28. The cheapest one-way flight starts at $49 and departs on Tue, Apr 28.
3 hr 5 min is the shortest flight time from Denver to Washington, D.C..
Mid-Mar–Jun is Washington DC's busiest time, with many people timing their visits to coincide with cherry blossom season (late Mar–mid Apr). Washington DC’s conference centers and hotels also bustle while Congress is in session (Sep–Nov and mid-Jan–Jun). Jul–Aug tend to be hot and humid, while snowfall can vary widely in winter. The city’s most popular events are the annual Cherry Blossom Festival in spring, the 4th of July celebration in summer, and the lighting of the National Christmas Tree in winter.
It's easy to use Google Flights to find the cheapest days to fly from Denver to Washington, D.C..
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Denver to Washington, D.C. really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Denver to Washington, D.C..

In terms of nonstop flights, United is the most popular. United offers 75 nonstop flights and 1,790 connecting flights per week. United flies from Denver International Airport (DEN) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI), Ronald Reagan Washington National Airport (DCA), Dulles International Airport (IAD).

In terms of flights, Southwest is the most popular. Southwest offers 48 nonstop flights and 2,149 connecting flights per week. Southwest flies from Denver International Airport (DEN) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI), Ronald Reagan Washington National Airport (DCA), Dulles International Airport (IAD).

Other popular airlines flying from Denver to Washington, D.C. are:
  • Frontier offers 19 nonstop flights and 73 connecting flights per week. Frontier flies from Denver International Airport (DEN) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI), Dulles International Airport (IAD), Ronald Reagan Washington National Airport (DCA).
  • Delta offers 818 connecting flights per week. Delta flies from Denver International Airport (DEN) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI), Ronald Reagan Washington National Airport (DCA), Dulles International Airport (IAD).
  • American offers 621 connecting flights per week. American flies from Denver International Airport (DEN) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI), Ronald Reagan Washington National Airport (DCA), Dulles International Airport (IAD).
  • Alaska offers 75 connecting flights per week. Alaska flies from Denver International Airport (DEN) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI), Ronald Reagan Washington National Airport (DCA), Dulles International Airport (IAD).
The number of connecting flights refers to distinct flights with at least one stop between Denver and Washington, D.C..
The cheapest round-trip flight from Denver to Washington, D.C. recently found on Google Flights was with Frontier from $103. The cheapest one-way flight was with Frontier from $49.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest United flight from Denver to Washington, D.C. is $217, flying from Apr 18 to Apr 25.
  • The cheapest Southwest flight from Denver to Washington, D.C. is $217, flying from Apr 18 to Apr 25.
  • The cheapest Frontier flight from Denver to Washington, D.C. is $103, flying from Apr 20 to Apr 28.
  • The cheapest Delta flight from Denver to Washington, D.C. is $257, flying from May 2 to May 9.
  • The cheapest American flight from Denver to Washington, D.C. is $237, flying from May 2 to May 9.
  • The cheapest Alaska flight from Denver to Washington, D.C. is $359, flying from Apr 25 to May 2.
Southwest, United and Frontier fly direct from Denver to Washington, D.C..
  • There are 75 United direct flights from Denver to Washington, D.C. per week. Flights are available every day.
  • There are 48 Southwest direct flights from Denver to Washington, D.C. per week. Flights are available every day.
  • There are 19 Frontier direct flights from Denver to Washington, D.C. per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between Denver and Washington, D.C. at price $338 is offered by Frontier from Thu, Mar 19 to Sun, Mar 22.
Southwest, United and Frontier fly direct from Denver to Washington, D.C..
  • There are 75 United direct flights from Denver to Washington, D.C. per week. Flights are available every day.
  • There are 48 Southwest direct flights from Denver to Washington, D.C. per week. Flights are available every day.
  • There are 19 Frontier direct flights from Denver to Washington, D.C. per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from Denver to Washington, D.C. on a daily basis.
The cheapest direct (nonstop) round-trip flights between Denver and Washington, D.C. start at $103 from Mon, Apr 20 to Tue, Apr 28 with Frontier.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Denver to Washington, D.C., just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Denver and Washington, D.C. start at $326 from Mon, Apr 27 to Tue, May 5 with Frontier.
The cheapest economy class round-trip flights between Denver and Washington, D.C. start at $103 from Mon, Apr 20 to Tue, Apr 28.
To book business class trips from Denver to Washington, D.C., look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Denver and Washington, D.C. starts at $338 from Thu, Mar 19 to Sun, Mar 22 with Frontier.
The cheapest last-minute deal between Denver and Washington, D.C. at price $338 is offered by Frontier from Thu, Mar 19 to Sun, Mar 22.
To find last-minute flight deals from Denver to Washington, D.C., start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

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