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DCA–SEA · Nonstop
Washington (Ronald Reagan Washington National Airport) to Seattle (Seattle-Tacoma International Airport).
The nonstop flight from Washington (DCA) to Seattle (SEA) takes 5h 19m on average, covering about 2,323 miles. Across 8 flights we tracked, the fastest was 5h 11m and the slowest 5h 26m. The current schedule below is the better source for planned airline frequency.
Plan this route| Avg flight time | Distance | Route type | Fastest tracked | Airlines |
|---|---|---|---|---|
| 5h 19m | 2,323 mi | Nonstop | 5h 11m | 2 |
Alaska Airlines and Delta Air Lines operate 3/day flights from DCA to SEA. Terminal assignments in the captured sample are not confirmed for your flight; check the airline before travel.
| Airline | Captured frequency | Aircraft | Departures (local) |
|---|---|---|---|
| Alaska Airlines | 2/day | Boeing 737 · Airline terminal guide (confirm for your flight) · Seat map | 08:0017:0017:13 |
| Delta Air Lines | 1/day | Airbus A320 family · Airline terminal guide (confirm for your flight) · Seat map | 16:35 |
Airlines seen among the 8 flights we have tracked on DCA to SEA. The sample is too small to rank carriers by share; the scheduled departures above show who flies this route most.
Methodology: figures are aggregated from 8 real flights on this route, sourced from live flight data. Updated daily as new flights are observed.
The nonstop flight from Washington (DCA) to Seattle (SEA) takes 5h 19m on average. The fastest flight we have tracked took 5h 11m and the slowest 5h 26m.
Washington (DCA) to Seattle (SEA) is about 2,323 miles by air.
Yes. Alaska Airlines and Delta Air Lines fly nonstop from Washington (DCA) to Seattle (SEA), with 3/day departures.
Alaska Airlines and Delta Air Lines fly nonstop from Washington (DCA) to Seattle (SEA).
The DCA–SEA route is flown with Airbus A320 family, Boeing 737.