Wayfli › Denver (DEN) › To Washington (IAD)
Denver (DEN) to Washington (IAD) flights
There are direct flights from Denver International Airport to Washington Dulles International Airport, sold by 2 airlines (including codeshares): United Airlines and Southwest Airlines. The distance is 2,332 km, about 3h 20m in the air. There are also 31 one-stop options, via airports such as Chicago, Dallas-Fort Worth and Atlanta.
Live fares for DEN → IADSee all routes on the map2,332 kmdistance
~3h 20mdirect flight time (estimate)
2direct airlines
31one-stop options
Direct flights from Denver to Washington
| Route | Airlines (incl. codeshares) | Distance | Time (est.) |
|---|---|---|---|
| DEN → IAD | United Airlines, Southwest Airlines | 2,332 km | ~3h 20m |
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 Frontier Airlines then United Airlines | 2,371 km | ~5h 35m |
| DFW Dallas-Fort Worth | American Airlines and Frontier Airlines then American Airlines and United Airlines | 2,915 km | ~6h 15m |
| ATL Atlanta | Air Canada and Air France then Air France and Aeromexico | 2,786 km | ~6h 5m |
| JFK New York | jetBlue then jetBlue and United Airlines | 2,976 km | ~6h 20m |
| EWR Newark | United Airlines and Southwest Airlines then United Airlines | 2,918 km | ~6h 15m |
| YYZ Toronto | Air Canada and United Airlines then Air Canada and United Airlines | 2,668 km | ~5h 55m |
| CLT Charlotte | American Airlines then American Airlines and United Airlines | 2,666 km | ~5h 55m |
| PHL Philadelphia | American Airlines and United Airlines then United Airlines | 2,717 km | ~6h |
| MDW Chicago | Frontier Airlines and Southwest Airlines then Southwest Airlines | 2,364 km | ~5h 35m |
| CLE Cleveland | Frontier Airlines and United Airlines then United Airlines | 2,391 km | ~5h 35m |
| LGA New York | Frontier Airlines and United Airlines then United Airlines | 2,967 km | ~6h 15m |
| STL St. Louis | Frontier Airlines and United Airlines then United Airlines | 2,353 km | ~5h 30m |
More from Denver and Washington
- Washington (IAD) to Denver (DEN) · return route
- All direct flights from Denver (DEN)
- All direct flights from Washington (IAD)
- Denver to Istanbul (IST)
- Denver to Frankfurt (FRA)
- Denver to Chicago (ORD)
- Denver to Dallas-Fort Worth (DFW)
- Denver to Munich (MUC)
- Denver to London (LHR)
- Denver to Atlanta (ATL)
- Denver to Houston (IAH)
- Denver to New York (JFK)
- Denver to Newark (EWR)
- Denver to Toronto (YYZ)
- Denver to Los Angeles (LAX)
- Istanbul (IST) to Washington
- Amsterdam (AMS) to Washington
- Paris (CDG) to Washington
- Frankfurt (FRA) to Washington
- Dubai (DXB) to Washington
- Beijing (PEK) to Washington
- Chicago (ORD) to Washington
- Barcelona (BCN) to Washington
- Dallas-Fort Worth (DFW) to Washington
- Rome (FCO) to Washington
- Munich (MUC) to Washington
- London (LHR) to 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.