Wayfli › Seattle (SEA) › To Washington (DCA)
Seattle (SEA) to Washington (DCA) flights
There are direct flights from Seattle Tacoma International Airport to Ronald Reagan Washington National Airport, sold by one airline: Alaska Airlines. The distance is 3,738 km, about 5h 5m in the air. There are also 20 one-stop options, via airports such as Chicago, Dallas-Fort Worth and Atlanta.
Live fares for SEA → DCASee all routes on the map3,738 kmdistance
~5h 5mdirect flight time (estimate)
1direct airline
20one-stop options
Direct flights from Seattle to Washington
| Route | Airlines (incl. codeshares) | Distance | Time (est.) |
|---|---|---|---|
| SEA → DCA | Alaska Airlines | 3,738 km | ~5h 5m |
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 Alaska Airlines then American Airlines and United Airlines | 3,744 km | ~7h 15m |
| DFW Dallas-Fort Worth | American Airlines and Alaska Airlines then American Airlines | 4,583 km | ~8h 15m |
| ATL Atlanta | Air France and Aeromexico then Air France and Aeromexico | 4,385 km | ~8h |
| JFK New York | American Airlines and Alaska Airlines then American Airlines and jetBlue | 4,229 km | ~7h 50m |
| EWR Newark | American Airlines and Alaska Airlines then United Airlines | 4,174 km | ~7h 45m |
| DEN Denver | American Airlines and Alaska Airlines then Frontier Airlines and United Airlines | 4,014 km | ~7h 35m |
| YYZ Toronto | Air Canada then American Airlines and Air Canada | 3,885 km | ~7h 25m |
| CLT Charlotte | American Airlines then American Airlines | 4,193 km | ~7h 45m |
| LAS Las Vegas | Alaska Airlines and Southwest Airlines then American Airlines | 4,749 km | ~8h 25m |
| PHL Philadelphia | American Airlines and Alaska Airlines then American Airlines | 4,009 km | ~7h 35m |
| BOS Boston | American Airlines and Alaska Airlines then American Airlines and jetBlue | 4,647 km | ~8h 20m |
| MDW Chicago | Southwest Airlines then Southwest Airlines | 3,747 km | ~7h 15m |
More from Seattle and Washington
- Washington (DCA) to Seattle (SEA) · return route
- All direct flights from Seattle (SEA)
- All direct flights from Washington (DCA)
- Seattle to Istanbul (IST)
- Seattle to Amsterdam (AMS)
- Seattle to Paris (CDG)
- Seattle to Frankfurt (FRA)
- Seattle to Dubai (DXB)
- Seattle to Beijing (PEK)
- Seattle to Chicago (ORD)
- Seattle to Dallas-Fort Worth (DFW)
- Seattle to Shanghai (PVG)
- Seattle to London (LHR)
- Seattle to Atlanta (ATL)
- Seattle to Houston (IAH)
- Chicago (ORD) to Washington
- Dallas-Fort Worth (DFW) to Washington
- Atlanta (ATL) to Washington
- Houston (IAH) to Washington
- New York (JFK) to Washington
- Newark (EWR) to Washington
- Denver (DEN) to Washington
- Toronto (YYZ) to Washington
- Los Angeles (LAX) to Washington
- Miami (MIA) to Washington
- Charlotte (CLT) to Washington
- Las Vegas (LAS) 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.