1-stop connections via intermediate airports. Durations exclude layover.
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Looking for flights from Dulles (IAD) to Seattle (SEA)? DepartureMap shows you all available direct flights and 1-stop connecting options between these two cities.
There is a direct flight from Dulles to Seattle with an average flight time of 4h 51m, covering a distance of 3,702 km. This route is operated by Alaska Airlines, Delta Air Lines, United Airlines.
20 connecting routes are available with 1 stop, flying via airports such as Chicago (ORD), Toronto (YYZ), Newark (EWR). Total flight times shown exclude layover time at the connecting airport.