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
Friday, October 9th, 2026
4 round-trip options
Returning
Wed, Oct 14, 2026•5 Day Trip
$728 USD
Returning
Sat, Oct 17, 2026•8 Day Trip
$732 USD
Returning
Sun, Oct 18, 2026•9 Day Trip
$732 USD
Returning
Wed, Oct 21, 2026•12 Day Trip
$726 USD