London Heathrow (LHR) to Seattle / Tacoma (SEA) flight deal in economy from $713
LHRLondon Heathrow Airport
London Heathrow, United Kingdom
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$824 USD
-13%$713 USD
Verified 16 days agoOctober 2026
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Great Availability
60% of dates checked are available within 10% of the lowest price
Sunday, October 11th, 2026
4 round-trip options
Returning
Fri, Oct 16, 2026•5 Day Trip
$802 USD
Returning
Mon, Oct 19, 2026•8 Day Trip
$722 USD
Returning
Tue, Oct 20, 2026•9 Day Trip
$717 USD
Returning
Fri, Oct 23, 2026•12 Day Trip
$726 USD