Book your SEA to BOS flights with Expedia and find last-minute Seattle to Boston airfare. Expedia offers discount airfare on multiple airline carriers that fly direct and indirect routes between SEA and BOS, with new flight deals and promotions almost daily. When you book your next trip from Seattle Tacoma Intl. to Logan 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 BOS Flight Schedule
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 Boston (BOS), and plan your next exciting trip. Expedia has cheap flights from Boston on multiple airline carriers, so book your next trip today!
SEA to BOS Route Map
Route information for flights from Seattle Tacoma Intl. to Logan Intl..
Airline carriers and aircraft used on flights from SEA to BOS
|Alaska Airlines, Inc.||Boeing 737-800 (winglets) pax|
|JetBlue Airways||Airbus A320-100/200|
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