Book your SEA to LHR flights with Expedia and find last-minute Seattle to London airfare. Expedia offers discount airfare on multiple airline carriers that fly direct and indirect routes between SEA and LHR, with new flight deals and promotions almost daily. When you book your next trip from Seattle Tacoma Intl. to Heathrow 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 LHR 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 London (LHR), and plan your next exciting trip. Expedia has cheap flights from London on multiple airline carriers, so book your next trip today!
SEA to LHR Route Map
Route information for flights from Seattle Tacoma Intl. to Heathrow.
Airline carriers and aircraft used on flights from SEA to LHR
|American Airlines||Boeing 747-400 pax|
|British Airways||Boeing 747-400 pax|
|Iberia Airlines||Boeing 747-400 pax|
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