Flight time from Dulles to Seattle
IAD → SEA · Washington Dulles International Airport to Seattle–Tacoma International Airport
The flight from Dulles (IAD) to Seattle (SEA) takes about 5h 7m nonstop on a narrowbody airliner, covering 2,300 miles (3,702 km).
How the aircraft compares
Regional jetEmbraer E175, CRJ
5h 22m
NarrowbodyBoeing 737, Airbus A320
5h 7m
WidebodyBoeing 787, A350, 777
4h 41m
When will you arrive?
Seattle is 3 hours behind Dulles. You cross 3 time zones heading west. Westbound trips like this one are usually a little easier to adjust to, so plan for a day or two of jet lag.
See your exact arrival time
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Common questions
- How long is the flight from Dulles to Seattle?
- About 5h 7m nonstop on a narrowbody airliner. Airlines add taxi and buffer time to the schedule.
- How far is it?
- 2,300 miles, or 3,702 km (1,999 nautical miles) in a straight line.
- What is the time difference?
- Seattle is 3 hours behind Dulles.
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