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 13 hours agoOctober 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Good Availability
48% of dates checked are available within 10% of the lowest price
Wednesday, October 14th, 2026
3 round-trip options
Returning
Mon, Oct 19, 2026•5 Day Trip
$729 USD
Returning
Sat, Oct 24, 2026•10 Day Trip
$731 USD
Returning
Mon, Oct 26, 2026•12 Day Trip
$727 USD