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
$900 USD
-21%$713 USD
Verified about 15 hours agoDecember 2026
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Good Availability
48% of dates checked are available within 10% of the lowest price
Wednesday, December 16th, 2026
3 round-trip options
Returning
Tue, Dec 22, 2026•6 Day Trip
$763 USD
Returning
Wed, Dec 23, 2026•7 Day Trip
$763 USD
Returning
Wed, Dec 30, 2026•14 Day Trip
$796 USD