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All scheduled flights from Dulles to Seattle (IAD-SEA)

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United States US
All scheduled flights from IAD to SEA. You can fly from Dulles to Seattle non-stop on every weekday and the flight takes about 5 hours and 49 minutes. Flights with stops take between 7 to 13 hours depending on your flight and connection airport.
IAD-SEA
- Flight has a long layover time at the stop-airport and will affect your flight time.
- Change of terminals at the layover airport. This can go quickly or take time depending on the airport.
- Flight is partially or completely overnight (Red-eye flight).
- Airline or one of the airlines in the flight path is a low-cost carrier. Some travelers wants to avoid low-cost airlines.
- This is codeshare flight. A codeshare flight is an agreement between airlines to sell seats on each others flights. Click on the flight to see the actual flight operator.

Flying non-stop between IAD and SEA with is the fastest option. The flight takes about 5 hours and 53 minutes.

SEA is the IATA airport code for Seattle Tacoma International Airport, Seattle Airport, Washington.

The transfer from SEA is 17 minutes by car to Downtown Seattle.

Airlines that offer direct flights from Dulles (IAD) to Seattle (SEA) is Alaska Airlines, Delta Air Lines and United Airlines.

The Boeing 737MAX 9 Passenger with Alaska Airlines has 176 seats and the Code 221 with Delta Air Lines has 109 seats.

It all depends on what dates you plan on flying. But the approximate round-trip price for one passenger with Alaska Airlines is $318 and with Delta $356.