$1,717 Cheap United flights London (LHR) to Seattle (SEA)

$1,717 Cheap United flights London (LHR) to Seattle (SEA)

Prices were available within the past 7 days and start at $1,717 for one-way flights and $1,018 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 8 - Thu, Jul 31

LHR

London

SEA

Seattle

$1,018 Roundtrip, found 19 hours ago

$1,018

Roundtrip

found 19 hours ago

Select United flight, departing Tue, Jul 8 from London to Seattle, returning Thu, Jul 31, priced at $1,018 found 19 hours ago