WashingtontoSeattleFlight Time
DCA–SEA · Nonstop
Washington (Ronald Reagan Washington National Airport) to Seattle (Seattle-Tacoma International Airport).
The estimated flight time from Washington (DCA) to Seattle (SEA) is about 5h 23m, covering 2,323 miles. Alaska Airlines and Delta Air Lines fly the route nonstop with 3-4/day departures, from 08:00 to 18:54 local time.
Plan this routeAt a glance
| Est. flight time | Distance | Route type | Captured freq. | Market |
|---|---|---|---|---|
| ~5h 23m Estimated from great-circle distance — no tracked flights yet. | 2,323 mi | Nonstop | 3-4/day From the current provider sample; confirm live timetables before booking. | Domestic |
Airlines on this route
Nonstop airlines from Washington to Seattle
Alaska Airlines and Delta Air Lines operate 3-4/day flights from DCA to SEA. Departures leave from Terminal 2 at DCA.
- First departure
- 08:00
- Last departure
- 18:54
- Cadence
- 5 departures/day
- Scheduled departure times
- 5
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Alaska Airlines | 2-3/day | Boeing 737 · Terminal 2 · Seat map | 08:00 |
Aircraft on this route
Flying the other way?
SEA to DCA flights — 3/day on 2 airlines →Methodology: airline, aircraft, terminal, and departure-time details come from a full week of published airline schedules for DCA, refreshed on a rolling basis. Frequency uses 22 scheduled departures across 7 observed days; flight time is estimated from flying distance until this route has enough tracked flights for an observed average.
Route FAQ
How long is the flight from Washington to Seattle?
The estimated flight time from Washington (DCA) to Seattle (SEA) is about 5h 23m, based on the 2,323-mile flying distance.
How far is Washington from Seattle?
Washington (DCA) to Seattle (SEA) is about 2,323 miles by air.
Are there nonstop flights from Washington to Seattle?
Yes. Alaska Airlines and Delta Air Lines fly nonstop from Washington (DCA) to Seattle (SEA), with 3-4/day departures.
Which airlines fly from Washington to Seattle?
Alaska Airlines and Delta Air Lines fly nonstop from Washington (DCA) to Seattle (SEA).
What aircraft fly from Washington to Seattle?
The DCA–SEA route is flown with Airbus A320 family, Boeing 737.
Route hubs
Nearby airport options
Near Washington
- IAD - WashingtonWashington Dulles International Airport · 24 mi from DCAFlights from IAD
- BWI - BaltimoreBaltimore/Washington International Thurgood Marshall Airport · 30 mi from DCAFlights from BWI
- RIC - RichmondRichmond International Airport · 94 mi from DCAFlights from RIC