Cheap flights from Washington, D.C. to Denver

Flights overview

Useful information for finding cheap flights from Washington, D.C. to Denver and booking your next trip
Cheapest round-trip flights $78
Frontier Nonstop 5 hr Sat, Feb 7 — Sat, Feb 14
The cheapest round-trip flight from Washington, D.C. to Denver is currently $78
Cheapest one-way flight $39
Frontier Nonstop 5 hr Wed, Feb 4
The cheapest one-way flight from Washington, D.C. to Denver is currently $39
Last-minute weekend getaway $218
Frontier Nonstop 5 hr Sat, Jan 10 — Mon, Jan 12
The cheapest last-minute weekend getaway from Washington, D.C. to Denver is currently $218
Cheapest business class flights $663
American 1 stop 7 hr Mon, Feb 9 — Wed, Feb 18
The cheapest business class round-trip flight from Washington, D.C. to Denver is currently $663
Fastest flight 3 hr 50 min The fastest nonstop flight from Washington, D.C. to Denver takes 3 hr 50 min
Nonstop flights Every day There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Washington, D.C. to Denver is typically January. The most expensive month to fly is typically May.
January
Cheapest
Typical prices: $90–220
May
Most expensive
Typical prices: $180–260

Popular airlines from Washington, D.C. to Denver

  • United
    Nonstop
    from $177
    Typical price: $210–420
    72 weekly nonstop flights
    BWI, DCA, IAD - DEN Every day
    1959 weekly connecting flights
    BWI, DCA, IAD - DEN Every day
  • Southwest
    Nonstop
    from $177
    Typical price: $215–430
    43 weekly nonstop flights
    BWI, IAD - DEN Every day
    1937 weekly connecting flights
    BWI, DCA, IAD - DEN Every day
  • Frontier
    Nonstop
    from $78
    Typical price: $130–270
    19 weekly nonstop flights
    DCA - DEN Every day
    84 weekly connecting flights
    BWI, IAD - DEN Every day
  • Delta
    from $217
    Typical price: $245–590
    691 weekly connecting flights
    BWI, DCA, IAD - DEN Every day
  • American
    from $197
    Typical price: $235–520
    521 weekly connecting flights
    BWI, DCA, IAD - DEN Every day
  • Alaska
    from $277
    Typical price: $435–910
    75 weekly connecting flights
    BWI, DCA, IAD - DEN Every day

Popular airports near Washington, D.C.

  • Ronald Reagan Washington National Airport (DCA)
    Washington United States 17 min 4 mi
  • Dulles International Airport (IAD)
    Washington United States 53 min 22 mi
  • Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI)
    Baltimore United States 49 min 27 mi
  • Philadelphia International Airport (PHL)
    Philadelphia United States 2 hr 22 min 116 mi

Popular airports near Denver

  • Denver International Airport (DEN)
    Denver United States 39 min 19 mi
  • Colorado Springs Airport (COS)
    Colorado Springs United States 1 hr 27 min 66 mi
  • Centennial Airport (APA)
    Denver United States 28 min 14 mi
  • Eagle County Regional Airport (EGE)
    Vail United States 2 hr 19 min 103 mi

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

The cheapest flights from Washington, D.C. to Denver are usually in January. Typical ticket prices in January range from $90 to $220.
The cheapest round-trip flight from Washington, D.C. to Denver recently found on Google Flights was with Frontier from $78. The cheapest one-way flight was with Frontier from $39.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest United flight from Washington, D.C. to Denver is $177, flying from Feb 7 to Feb 14.
  • The cheapest Southwest flight from Washington, D.C. to Denver is $177, flying from Feb 14 to Feb 21.
  • The cheapest Frontier flight from Washington, D.C. to Denver is $78, flying from Feb 7 to Feb 14.
  • The cheapest Delta flight from Washington, D.C. to Denver is $217, flying from Feb 21 to Feb 28.
  • The cheapest American flight from Washington, D.C. to Denver is $197, flying from Feb 7 to Feb 14.
  • The cheapest Alaska flight from Washington, D.C. to Denver is $277, flying from Feb 2 to Feb 10.
The cheapest round-trip flight from Washington, D.C. to Denver starts at $78 from Sat, Feb 7 to Sat, Feb 14. The cheapest one-way flight starts at $39 and departs on Wed, Feb 4.
3 hr 50 min is the shortest flight time from Washington, D.C. to Denver.
Denver’s mild summer months (Jun–Aug) are a popular time for visitors exploring the city and nearby national parks. The ski season runs through winter (Nov–Mar). Major events include the National Western Stock Show & Rodeo (Jan) and A Taste of Colorado (Sep) food and arts festival.
It's easy to use Google Flights to find the cheapest days to fly from Washington, D.C. to Denver.
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 Washington, D.C. to Denver 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 Washington, D.C. to Denver.

In terms of nonstop flights, United is the most popular. United offers 72 nonstop flights and 1,959 connecting flights per week. United flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Denver International Airport (DEN) .

Other popular airlines flying from Washington, D.C. to Denver are:
  • Southwest offers 43 nonstop flights and 1,937 connecting flights per week. Southwest flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Denver International Airport (DEN) .
  • Frontier offers 19 nonstop flights and 84 connecting flights per week. Frontier flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Dulles International Airport (IAD) , Ronald Reagan Washington National Airport (DCA) to Denver International Airport (DEN) .
  • Delta offers 691 connecting flights per week. Delta flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Denver International Airport (DEN) .
  • American offers 521 connecting flights per week. American flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Denver International Airport (DEN) .
  • Alaska offers 75 connecting flights per week. Alaska flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Denver International Airport (DEN) .
The number of connecting flights refers to distinct flights with at least one stop between Washington, D.C. and Denver.
The cheapest round-trip flight from Washington, D.C. to Denver recently found on Google Flights was with Frontier from $78. The cheapest one-way flight was with Frontier from $39.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest United flight from Washington, D.C. to Denver is $177, flying from Feb 7 to Feb 14.
  • The cheapest Southwest flight from Washington, D.C. to Denver is $177, flying from Feb 14 to Feb 21.
  • The cheapest Frontier flight from Washington, D.C. to Denver is $78, flying from Feb 7 to Feb 14.
  • The cheapest Delta flight from Washington, D.C. to Denver is $217, flying from Feb 21 to Feb 28.
  • The cheapest American flight from Washington, D.C. to Denver is $197, flying from Feb 7 to Feb 14.
  • The cheapest Alaska flight from Washington, D.C. to Denver is $277, flying from Feb 2 to Feb 10.
Southwest, United and Frontier fly direct from Washington, D.C. to Denver.
  • There are 72 United direct flights from Washington, D.C. to Denver per week. Flights are available every day.
  • There are 43 Southwest direct flights from Washington, D.C. to Denver per week. Flights are available every day.
  • There are 19 Frontier direct flights from Washington, D.C. to Denver 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 Washington, D.C. and Denver at price $218 is offered by Frontier from Sat, Jan 10 to Mon, Jan 12.
Southwest, United and Frontier fly direct from Washington, D.C. to Denver.
  • There are 72 United direct flights from Washington, D.C. to Denver per week. Flights are available every day.
  • There are 43 Southwest direct flights from Washington, D.C. to Denver per week. Flights are available every day.
  • There are 19 Frontier direct flights from Washington, D.C. to Denver 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 Washington, D.C. to Denver on a daily basis.
The cheapest direct (nonstop) round-trip flights between Washington, D.C. and Denver start at $78 from Sat, Feb 7 to Sat, Feb 14 with Frontier.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Washington, D.C. to Denver, 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 Washington, D.C. and Denver start at $663 from Mon, Feb 9 to Wed, Feb 18 with American.
The cheapest economy class round-trip flights between Washington, D.C. and Denver start at $78 from Sat, Feb 7 to Sat, Feb 14.
To book business class trips from Washington, D.C. to Denver, 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 Washington, D.C. and Denver starts at $218 from Sat, Jan 10 to Mon, Jan 12 with Frontier.
The cheapest last-minute deal between Washington, D.C. and Denver at price $218 is offered by Frontier from Sat, Jan 10 to Mon, Jan 12.
To find last-minute flight deals from Washington, D.C. to Denver, 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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