Search flights from Denver (DEN) to Washington (WAS)

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Cheapest flights to Washington

The cheapest flights available in the next 60 days – prices are updated regularly

Flying from Denver to Washington: things to know

The most popular route is from Denver International Airport in Denver to Ronald Reagan Washington National Airport in Washington. On average this flight takes 3 hours 29 minutes one way and costs US$417 for the round trip.

Most popular route
Denver International Airport (DEN) to Ronald Reagan Washington National Airport (DCA)
Average flight time
3 hours 29 minutes
Average round-trip price
US$417
Fly from Denver to Washington
5 airlines

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Airlines that fly from Denver to Washington

Airline options may vary according to recently booked flights and your search terms

  • Frontier Airlines
  • United Airlines
  • American Airlines
  • Southwest Airlines
  • Sun Country

Frequently asked questions

Fly to more destinations from Denver

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Hotels in Washington

Thinking about which towns and cities to visit during your trip? Try Washington, a popular choice with other visitors.

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Flights to Maryland

Reaching Maryland just got easier!

Flights to Washington DC Metropolitan area

Reaching Washington DC Metropolitan area just got easier!

Flights to Washington Dulles International Airport

Jet into this airport to explore Washington at your leisure.

Flights to Ronald Reagan Washington National Airport

Jet into this airport to explore Washington at your leisure.