$466 Cheap United flights London (LHR) to Seattle (SEA)

$466 Cheap United flights London (LHR) to Seattle (SEA)

Prices were available within the past 7 days and start at $466 for one-way flights and $805 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Dec 16 - Mon, Jan 5

LHR

London

SEA

Seattle

$805 Roundtrip, found 3 days ago

$805

Roundtrip

found 3 days ago

Select United flight, departing Tue, Dec 16 from London to Seattle, returning Mon, Jan 5, priced at $805 found 3 days ago

Tue, Dec 16 - Tue, Jan 6

LHR

London

SEA

Seattle

$809 Roundtrip, found 3 days ago

$809

Roundtrip

found 3 days ago

Select United flight, departing Tue, Dec 16 from London to Seattle, returning Tue, Jan 6, priced at $809 found 3 days ago

Fri, Dec 19 - Sun, Jan 4

LHR

London

SEA

Seattle

$1,473 Roundtrip, found 3 days ago

$1,473

Roundtrip

found 3 days ago

Select United flight, departing Fri, Dec 19 from London to Seattle, returning Sun, Jan 4, priced at $1,473 found 3 days ago