Wayfli › Denver (DEN) › To Washington (DCA)

Denver (DEN) to Washington (DCA) flights

There are direct flights from Denver International Airport to Ronald Reagan Washington National Airport, sold by 2 airlines (including codeshares): Frontier Airlines and United Airlines. The distance is 2,369 km, about 3h 25m in the air. There are also 33 one-stop options, via airports such as Chicago, Dallas-Fort Worth and Atlanta.

Live fares for DEN → DCASee all routes on the map
2,369 kmdistance
~3h 25mdirect flight time (estimate)
2direct airlines
33one-stop options

Direct flights from Denver to Washington

RouteAirlines (incl. codeshares)DistanceTime (est.)
DEN → DCAFrontier Airlines, United Airlines2,369 km~3h 25m

Best one-stop connections

Through the biggest hubs first. Times include about 100 minutes to change planes.

ViaAirlinesDistanceTime (est.)
ORD ChicagoAmerican Airlines and Frontier Airlines then American Airlines and United Airlines2,409 km~5h 35m
DFW Dallas-Fort WorthAmerican Airlines and Frontier Airlines then American Airlines2,947 km~6h 15m
ATL AtlantaAir Canada and Air France then Air France and Aeromexico2,807 km~6h 5m
JFK New YorkjetBlue then American Airlines and jetBlue2,952 km~6h 15m
EWR NewarkUnited Airlines and Southwest Airlines then United Airlines2,896 km~6h 10m
YYZ TorontoAir Canada and United Airlines then American Airlines and Air Canada2,690 km~5h 55m
CLT CharlotteAmerican Airlines then American Airlines2,681 km~5h 55m
PHL PhiladelphiaAmerican Airlines and United Airlines then American Airlines2,692 km~5h 55m
MDW ChicagoFrontier Airlines and Southwest Airlines then Southwest Airlines2,402 km~5h 35m
CLE ClevelandFrontier Airlines and United Airlines then United Airlines2,426 km~5h 40m
LGA New YorkFrontier Airlines and United Airlines then American Airlines2,945 km~6h 15m
STL St. LouisFrontier Airlines and United Airlines then American Airlines and Southwest Airlines2,390 km~5h 35m

More from Denver and Washington

Routes come from current airline fares, updated weekly (last update 9 November 2026), plus older schedule data for airports with few recent fares. “Direct” can include a few same-plane flights with a stop. Flight times are estimates from distance. Always check with the airline before booking.