All scheduled flights from Seattle to Dulles (SEA-IAD)
USA
United States
All scheduled flights from SEA to IAD. You can fly from Seattle to Dulles non-stop on Mondays, Tuesdays, Wednesdays, Saturdays & Sundays and the flight takes about 4 hours and 58 minutes. Flights with stops take between 6 to 13 hours depending on your flight and connection airport.