Direct flights from Seattle to Washington SEA → DCA
Alaska Airlines and Delta Air Lines fly nonstop from Seattle (SEA) to Washington (DCA), several times daily. The flight takes about 5h 18m and covers 2,323 miles (3,738 km). Arrivals run on time 80.8% at SEA and 70.5% at DCA — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Schedule data from 4 June 2026.
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Alaska Airlines
AS
Delta Air Lines
DL
Departure Schedule typical week
Typical weekly schedule · 21 flights per week (~3 per day) · Updated 86d ago
Alaska Airlines
Delta Air Lines
Frequently asked questions
Is there a direct flight from Seattle to Washington?
Yes, Alaska Airlines and Delta Air Lines operate nonstop flights from Seattle (SEA) to Washington (DCA).
Which airlines fly direct from Seattle to Washington?
Alaska Airlines, Delta Air Lines operate nonstop flights from Seattle to Washington.
How long is the flight from Seattle to Washington?
The nonstop flight from Seattle to Washington takes ~5h 18m (approximately 3738 km).
How often do direct flights operate from Seattle to Washington?
Nonstop flights from Seattle to Washington operate multiple daily — 21 flights per week (~3 per day).
What is the on-time performance for flights from Seattle to Washington?
Arrivals run on time 80.8% at SEA and 70.5% at DCA — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
What days of the week are there direct flights from Seattle to Washington?
Direct flights from Seattle to Washington operate every day of the week. Alaska Airlines flies daily and Delta Air Lines flies daily.
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