London Heathrow (LHR) to Seattle / Tacoma (SEA) flight deal in economy from $713

Air FranceAFAir FranceDelta Air LinesDLDelta Air LinesKLMKLKLM
Round Trip•Economy
United KingdomLHR

London Heathrow Airport

London Heathrow, United Kingdom
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
$824 USD
-13%$713 USD
Verified 16 days ago
Great Availability
60% of dates checked are available within 10% of the lowest price

Wednesday, October 7th, 2026

4 round-trip options

Returning
Mon, Oct 12, 2026•5 Day Trip
$722 USD
Google Flights
Returning
Thu, Oct 15, 2026•8 Day Trip
$717 USD
Google Flights
Returning
Fri, Oct 16, 2026•9 Day Trip
$717 USD
Google Flights
Returning
Mon, Oct 19, 2026•12 Day Trip
$722 USD
Google Flights