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Flights from Washington to Denver
Nonstop flights from Washington (DCA) to Denver (DEN) take about 3h 28m (2,369 km). Frontier Airlines flies it. Lowest fare seen: $203 one-way, nonstop (22 Oct 2026).
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Airlines flying Washington to Denver
Carriers on DCA–DEN according to our route data and nonstop fares seen as of 22 Oct 2026. Not a complete list.
✈ Frontier Airlinesnonstop fare seen
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Frequently asked questions — Washington to Denver flights
How long is the flight from Washington to Denver?
A nonstop flight from Washington (DCA) to Denver (DEN) takes about 3h 28m, covering 2,369 km. That is an estimate from the distance — actual time varies with the airline, aircraft and winds, and connecting itineraries take longer.
How far is Washington from Denver by air?
The great-circle distance between Ronald Reagan Washington National Airport and Denver International Airport is 2,369 km (1,472 miles), a medium-haul route.
Which airlines fly from Washington to Denver?
Airlines with flights or nonstop fares on the DCA–DEN route include Frontier Airlines. This is not a complete list — schedules change by season, so check the current options before booking.
How much does a flight from Washington to Denver cost?
The lowest one-way fare seen recently on DCA–DEN was $203 USD with Frontier Airlines (nonstop), departing 2 Nov 2026, found in fare searches as of 22 Oct 2026. Fares change constantly and depend on the date, so check the current price before booking.
Do I need a visa to travel from Washington to Denver?
It depends on your passport. Some nationalities can enter Denver visa-free or get a visa on arrival; others must apply in advance. Use AirConnect's Visa Checker to see the rules for your passport.
Sources: fares from Travelpayouts flight-search data, seen 22 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.
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