Get the exact flight time from Washington Dulles International Airport, Washington, DC, United States to Seattle-Tacoma International Airport, Seattle, WA, United States. IAD - SEA flight time by direct and one stop flight. Distance between IAD & SEA is approximately 3700 kilometers.

Departure
IAD Arrival
SEA

Flight time from IAD to SEA is 5 hours 34 minutes

Delta Air Lines is one of the direct flight which takes 5 hours 34 minutes to travel from Washington Dulles International Airport (IAD) to Seattle-Tacoma International Airport (SEA)

Return flight time from SEA to IAD

RELATED: Flight time from Seattle, WA to Washington, DC (all airports)

Direct flight time from Washington, DC to Seattle, WA by different airlines

Journey	Duration	Airline
Washington, DC (IAD) ➝ Seattle, WA (SEA)	5 hours 34 minutes	Delta Air Lines
Washington, DC (IAD) ➝ Seattle, WA (SEA)	5 hours 46 minutes	Brussels Airlines
Washington, DC (IAD) ➝ Seattle, WA (SEA)	5 hours 50 minutes	United Airlines

1 Stop Flight Time from IAD to SEA Via Denver International Airport

One stop flight time from Washington, DC to Seattle, WA via Denver is 8 hours 21 minutes (operated by United Airlines)

IAD to DEN
3 hrs 54 mins

DEN
Waiting Time
1 hr 27 mins

DEN to SEA
3 hrs

Total Duration:
8 hrs 21 mins

1 Stop Flight Time from IAD to SEA Via Minneapolis - St. Paul International Airport

One stop flight time from Washington, DC to Seattle, WA via Minneapolis is 7 hours 12 minutes (operated by Delta Air Lines)

IAD to MSP
2 hrs 44 mins

MSP
Waiting Time
41 mins

MSP to SEA
3 hrs 47 mins

Total Duration:
7 hrs 12 mins

Flight time from Washington Dulles International Airport to airports near Seattle, WA, United States

Flight time by direct flights and one stop flights from Washington Dulles International Airport to airports near Seattle-Tacoma International Airport.

Journey	Destination Airports	Duration	Stops
IAD - PDX	Portland, OR, Portland International Airport		Non-Stop

Washington, DC time is 3 hours ahead of Seattle, WA

	Current time in Washington, DC, United States : Fri, 26 Apr, 2024, Washington, DC Timezone: EDT (-04:00)	07:05 PM
	Current time in Seattle, WA, United States :, Fri, 26 Apr, 2024, Seattle, WA Timezone: PDT (-07:00)	04:05 PM

Airlines operating between Washington, DC and Seattle, WA

American Airlines
Delta Air Lines
United Airlines

IAD, Washington, DC - SEA, Seattle, WA Flight Time

How long is the flight from Washington Dulles International Airport to Seattle-Tacoma International Airport? What is the IAD - SEA flight duration? What is the flying time from Washington, DC to Seattle, WA?

The airports map below shows the location of Washington, DC Airport & Seattle, WA Airport and also the flight direction.

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