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Flight time.

Cheap Flights from Washington Dulles Intl. to Seattle - Tacoma Intl.

Wednesday Wed September 29 Sep

Prices were available within the past 7 days and starts atfor one-way flights andfor round trip, for the period specified. Prices and availability are subject to change. Additional terms flightcase.buzzation Airport: Seattle-Tacoma Intl. So from booking to boarding, we offer services and features designed to make your travel from Washington, D.C. (Dulles) to Seattle/Tacoma the best it can be.

Learn more about the Southwesttravel experience before you book your flight from Washington Dulles International Airport to Seattle-Tacoma International Airport. The total flight duration time from Washington (IAD) to Seattle (SEA) is typically 9 hours 45 minutes.

KAYAK is a travel search engine.

This is the average non-stop flight time based upon historical flights for this route. During this period travelers can expect to fly about 2, miles, or 4, kilometers.

Direct (non-stop) flights from Washington to Seattle. Find the best price for this route! All flight schedules from Washington Dulles International, United States to Seattle Tacoma International, United States. This route is operated by 3 airline (s), and the departure time is between - The distance is miles. Cons: Background check your booking agencies and their agents.

Pros: The food!! The flight was in time and also the flight attendant were so available and caring Cons: I have wifi in board for an hour for whatsapp messaging I would have beloved to have it all flight. Pros: Driving Cons: First safety. Pros: Great Crew. Cons: Improve baggage charges. Use our filters to sort by price, compare airlines, and find the most convenient flight times.

Find our best return flights from Seattle SEA to Washington IAD at the right price. Airfares to Washington IAD from Seattle SEA currently cost betweenandIt’s usually cheaper to book a round trip than two separate one-way flights.