Are there nonstop flights from Washington (DCA) to Denver (DEN)?

Yes. United Airlines, Frontier Airlines fly this route. Flight time is about 3h 17m.

What is the fastest connection from Washington (DCA) to Denver (DEN)?

via Dayton ≈ 3h 47m, via Indianapolis ≈ 3h 48m, via Columbus ≈ 3h 48m (estimated flying time, excluding layovers).

from 15,000 ANA miles, from 15,000 JAL miles (economy, one way, based on the published award charts).

Ronald Reagan Washington National Airport (DCA) to Denver International Airport (DEN)・2,369 km

Nonstop flights available (2 airlines). Flight time about 3h 17m. Nonstop return flights also operate.

With milesANA 15,000 miles+ (nonstop)JAL 15,000 miles+ (via ORD)Economy, one way, estimate. Tap a connection for miles by cabin.

Award miles (one way, estimate)

Estimates from the airlines' published award charts (as of 2026-11-01). Seat availability, fuel surcharges and stopover rules are not included.

79 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.