Denver (DEN) to Washington (DCA) flights
Nonstop from Denver International to Ronald Reagan Washington National: distance, flying time, which airlines fly it and how often.
Distance
2,369km
1,472 mi, great circle
Flying time
3h 29m
typical, gate to gate
Flights a day
3
average, November 2026
Airlines
1
passenger airlines
Airlines flying DEN to DCA
Route map
The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.
Cheapest recent fare
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Both directions
Frequently asked questions
How long is the flight from Denver to Washington?
About 3h 29m gate to gate for the 2,369 km (1,472 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.
Which airlines fly nonstop from DEN to DCA?
Frontier Airlines, with about 3 flights a day between them in our data (AeroDataBox, November 2026).