Book your SEA to IAD flights with Expedia and find last-minute Seattle to Washington, DC airfare. Expedia offers discount airfare on multiple airline carriers that fly direct and indirect routes between SEA and IAD, with new flight deals and promotions almost daily. When you book your next trip from Seattle Tacoma Intl. to Washington Dulles Intl. 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.
SEA to IAD Flight Schedule
|Carrier||Flight||Depart SEA||Arrive IAD||Sun 11/29||Mon 11/30||Tue 12/1||Wed 12/2||Thu 12/3||Fri 12/4||Sat 12/5|
|United Airlines||UA 419||7:55 AM||3:54 PM||Check fare||Check fare||Check fare||Check fare||Check fare||Check fare||Check fare|
|Alaska Airlines||AS 728||9:50 AM||5:50 PM||Check fare||Check fare||Check fare||Check fare||Check fare||Check fare||Check fare|
|United Airlines||UA 260||1:19 PM||9:09 PM||-||-||-||Check fare||Check fare||Check fare||-|
|United Airlines||UA 260||1:27 PM||9:16 PM||Check fare||Check fare||Check fare||-||-||-||-|
|United Airlines||UA 781||9:43 PM||5:34 AM||-||-||Check fare||-||-||-||-|
|United Airlines||UA 781||10:06 PM||5:57 AM||Check fare||Check fare||-||-||-||-||-|
|United Airlines||UA 1859||11:10 PM||6:59 AM||-||-||-||Check fare||Check fare||Check fare||-|
Browse popular flight destinations from Seattle (SEA), and plan your next exciting trip. Expedia has cheap flights from Seattle on multiple airline carriers, so book your next trip today!
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!
SEA to IAD Route Map
Route information for flights from Seattle Tacoma Intl. to Washington Dulles Intl..
Airline carriers and aircraft used on flights from SEA to IAD
|Continental Airlines||Airbus A319|
|Continental Airlines||Airbus A320-100/200|
|Continental Airlines||Boeing 757-200 pax|
|United Airlines||Airbus A319|
|United Airlines||Airbus A320-100/200|
|United Airlines||Boeing 757-200 pax|
|US Airways||Airbus A319|
|US Airways||Airbus A320-100/200|
|US Airways||Boeing 757-200 pax|
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