Wayfli › Washington (DCA) › To Denver (DEN)
Washington (DCA) to Denver (DEN) flights
There are direct flights from Ronald Reagan Washington National Airport to Denver International Airport, sold by 3 airlines (including codeshares): Frontier Airlines, United Airlines and Southwest 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 DCA → DENSee all routes on the map2,369 kmdistance
~3h 25mdirect flight time (estimate)
3direct airlines
33one-stop options
Direct flights from Washington to Denver
| Route | Airlines (incl. codeshares) | Distance | Time (est.) |
|---|---|---|---|
| DCA → DEN | Frontier Airlines, United Airlines, Southwest Airlines | 2,369 km | ~3h 25m |
Best one-stop connections
Through the biggest hubs first. Times include about 100 minutes to change planes.
| Via | Airlines | Distance | Time (est.) |
|---|---|---|---|
| ORD Chicago | American Airlines and United Airlines then American Airlines and Frontier Airlines | 2,409 km | ~5h 35m |
| DFW Dallas-Fort Worth | American Airlines then American Airlines and Frontier Airlines | 2,947 km | ~6h 15m |
| ATL Atlanta | Air France and Aeromexico then Air Canada and Air France | 2,807 km | ~6h 5m |
| JFK New York | American Airlines and jetBlue then jetBlue | 2,952 km | ~6h 15m |
| EWR Newark | United Airlines then United Airlines and Southwest Airlines | 2,896 km | ~6h 10m |
| YYZ Toronto | American Airlines and Air Canada then Air Canada and United Airlines | 2,690 km | ~5h 55m |
| CLT Charlotte | American Airlines then American Airlines | 2,681 km | ~5h 55m |
| PHL Philadelphia | American Airlines then American Airlines and United Airlines | 2,692 km | ~5h 55m |
| CLE Cleveland | United Airlines then Frontier Airlines and United Airlines | 2,426 km | ~5h 40m |
| LGA New York | American Airlines then Frontier Airlines and United Airlines | 2,945 km | ~6h 15m |
| STL St. Louis | American Airlines and Southwest Airlines then Frontier Airlines and United Airlines | 2,390 km | ~5h 35m |
| BNA Nashville | American Airlines then Frontier Airlines and United Airlines | 2,530 km | ~5h 45m |
More from Washington and Denver
- Denver (DEN) to Washington (DCA) · return route
- All direct flights from Washington (DCA)
- All direct flights from Denver (DEN)
- Washington to Chicago (ORD)
- Washington to Dallas-Fort Worth (DFW)
- Washington to Atlanta (ATL)
- Washington to Houston (IAH)
- Washington to New York (JFK)
- Washington to Newark (EWR)
- Washington to Toronto (YYZ)
- Washington to Los Angeles (LAX)
- Washington to Miami (MIA)
- Washington to Charlotte (CLT)
- Washington to Las Vegas (LAS)
- Washington to Philadelphia (PHL)
- Istanbul (IST) to Denver
- Frankfurt (FRA) to Denver
- Chicago (ORD) to Denver
- Dallas-Fort Worth (DFW) to Denver
- London (LHR) to Denver
- Atlanta (ATL) to Denver
- Houston (IAH) to Denver
- New York (JFK) to Denver
- Newark (EWR) to Denver
- Toronto (YYZ) to Denver
- Los Angeles (LAX) to Denver
- Miami (MIA) to Denver
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.