Direct flights from Washington to Seattle DCA → SEA
Alaska Airlines and Delta Air Lines fly nonstop from Washington (DCA) to Seattle (SEA). The flight takes about 5h 18m and covers 2,323 miles (3,738 km). Arrivals run on time 70.5% at DCA and 80.8% at SEA — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
🔔 Watch DCA → SEA
We'll run this search daily and email you the cheapest direct fares we find.
Free · checked daily · one-click unsubscribe
Alaska Airlines
AS
Delta Air Lines
DL
Frequently asked questions
Is there a direct flight from Washington to Seattle?
Yes, Alaska Airlines and Delta Air Lines operate nonstop flights from Washington (DCA) to Seattle (SEA).
Which airlines fly direct from Washington to Seattle?
Alaska Airlines, Delta Air Lines operate nonstop flights from Washington to Seattle.
How long is the flight from Washington to Seattle?
The nonstop flight from Washington to Seattle takes ~5h 18m (approximately 3738 km).
What is the on-time performance for flights from Washington to Seattle?
Arrivals run on time 70.5% at DCA and 80.8% at SEA — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
Explore More
Scout — our search agent — hunts nonstop fares from Washington every night and pings you when one's worth booking.
Watch it work →