Washington (DCA) to Denver (DEN) flights
2 airlines fly nonstop from Washington (DCA) to Denver (DEN): Frontier Airlines and United Airlines. The two airports are 1,472 miles (2,369 km) apart. United Airlines is in Star Alliance. There are also 78 ways to fly it with one stop, through Indianapolis, Dayton and Columbus and more.
Airlines flying nonstop from DCA to DEN
- Frontier AirlinesNot in an allianceWho books it
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book DCA to DEN with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
DCA to DEN with one stop
78 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Indianapolis (IND)American Airlines, then Frontier Airlines, United Airlines and 1 more
- Via Dayton (DAY)American Airlines, then United Airlines
- Via Columbus (CMH)Southwest Airlines the whole way
- Via Cincinnati (CVG)American Airlines and Delta Air Lines, then Frontier Airlines, United Airlines and 1 more
- Via Kansas City (MCI)American Airlines and Southwest Airlines the whole way+1
- Via Omaha (OMA)Southwest Airlines the whole way
- Via Des Moines (DSM)American Airlines, then Frontier Airlines, United Airlines and 1 more
- Via Saint Louis (STL)Southwest Airlines the whole way
- Via Cedar Rapids (CID)American Airlines, then United Airlines
- Via Pittsburgh (PIT)American Airlines, then United Airlines and Southwest Airlines
- Via Chicago (MDW)Southwest Airlines the whole way
- Via Louisville (SDF)American Airlines, then United Airlines and Southwest Airlines
- Via Chicago (ORD)American Airlines and United Airlines the whole way
- Via Lexington (LEX)Delta Air Lines, then United Airlines
- Via Cleveland (CLE)American Airlines, then Frontier Airlines, United Airlines and 1 more
DCA to DEN: common questions
Which airlines fly nonstop from DCA to DEN?
Frontier Airlines and United Airlines (Star Alliance) fly nonstop from Washington (DCA) to Denver (DEN).
How far is Washington from Denver by plane?
Washington (DCA) and Denver (DEN) are 1,472 miles (2,369 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book DCA to DEN award flights?
13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does DCA to DEN cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for DCA to DEN with taxes and fees.
Where can I connect between Washington and Denver?
The most direct connections are through Indianapolis (IND), Dayton (DAY), Columbus (CMH), Cincinnati (CVG) and Kansas City (MCI). On 34 of them the same airline flies both flights, for example Southwest Airlines through Columbus.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.