London Heathrow (LHR) to Seattle / Tacoma (SEA) flight deal in economy from $672
LHRLondon Heathrow Airport
London Heathrow, United Kingdom
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$786 USD
-15%$672 USD
Verified about 1 hour agoDecember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
39% of dates checked are available within 10% of the lowest price
Sunday, December 27th, 2026
10 round-trip options
Returning
Fri, Jan 1, 2027•5 Day Trip
$1,038 USD
Returning
Sat, Jan 2, 2027•6 Day Trip
$1,038 USD
Returning
Sun, Jan 3, 2027•7 Day Trip
$993 USD
Returning
Mon, Jan 4, 2027•8 Day Trip
$993 USD
Returning
Tue, Jan 5, 2027•9 Day Trip
$936 USD
Returning
Wed, Jan 6, 2027•10 Day Trip
$820 USD
Returning
Thu, Jan 7, 2027•11 Day Trip
$820 USD
Returning
Fri, Jan 8, 2027•12 Day Trip
$848 USD
Returning
Sat, Jan 9, 2027•13 Day Trip
$893 USD
Returning
Sun, Jan 10, 2027•14 Day Trip
$876 USD