Flights from Washington, DC to Seattle
Cheap IAD to Seattle flights
Book your IAD to BFI flights with Expedia and find last-minute Washington, DC to Seattle airfare. Expedia offers discount airfare on multiple airline carriers that fly direct and indirect routes between IAD and BFI, with new flight deals and promotions almost daily. When you book your next trip from Washington Dulles Intl. to Boeing Field with Expedia, you can rest assured you’re getting great ticket prices and excellent service from one of the world’s most trusted travel providers.
Discount flights from Washington, DC to Seattle airfare
Browse the best deals on flights from IAD to BFI. Deals are based on recent deals found by other Expedia users like you. Pricing may have changed for individual airlines. Expand the list to see all available flight deals from IAD to BFI.
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Last Minute Washington, DC Flight Deals
Traveling on short notice? Expedia offers great deals on last-minute flights from Washington, DC Airport to the most popular destinations. Deals are based on recent prices found by other Expedia users within the last 12 hours. Prices change often for individual airlines, so check back regularly!
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Washington, District of Columbia (IAD) to Seattle, Washington (BFI)
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- Roundtrip (including all taxes and fees)
- Per Adult
- Based on e-ticket purchase
- Shown without coupon discounts
The lowest roundtrip price(s) recently found
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| Airport | Flight To | Travel Dates (Nights) |
Hotel Rating | Package Discount |
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Popular Flights from Washington, DC, District of Columbia
Browse popular flight destinations from Washington, DC (IAD), and plan your next exciting trip. Expedia has cheap flights from Washington, DC on multiple airline carriers, so book your next trip today!
Popular Flights from Seattle, Washington
Browse popular flight destinations from Seattle (BFI), and plan your next exciting trip. Expedia has cheap flights from Seattle on multiple airline carriers, so book your next trip today!
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Top Seattle International Destinations
IAD to BFI Route Map
Washington, DC to Seattle Flights, Stats and Airplanes
Route information for flights from Washington Dulles Intl. to Boeing Field.
Origin:
Destination:
Distance:
2,299.46 miles
IAD - Washington Dulles Intl. Airlines
Browse the the most popular airlines servicing the Washington, DC (IAD) airport. Visit their flights pages to learn more about the most popular routes these carriers fly.
BFI - Boeing Field Airlines
Browse the most popular airlines servicing the Seattle (BFI) airport. Visit their flights pages to learn more about the most popular routes these carriers fly.
Interesting Facts About Flights from Washington, DC to Seattle (IAD to BFI)
- The newest aircraft servicing IAD to BFI in 2009 was Air Greenland's B737-8 from Boeing. The B737-8 started flying in 1998.
- The largest aircraft servicing flights between Washington and Seattle from Air Greenland is the B737-8 built by Boeing with 173 seats.
- The oldest aircraft servicing trips from Washington, DC to Seattle, WA in 2009 was Air Greenland's B737-8 from Boeing which started flying in 1998.
- Air Greenland operated flights from IAD to BFI using one type of aircraft in 2009.
- The smallest aircraft servicing flights from IAD to BFI for Air Greenland is the B737-8 built by Boeing with 173 seats.
(Source: FAA & BTS 2009 Databases)
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