Cheap flights from London to Northwest Washington

Cheap Flights from London (LON) to Northwest Washington (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, 1 Sep. - Mon, 15 Sep.

LGW

London

SEA

Seattle

AU$903 Return, found 6 days ago

AU$903

Return

found 6 days ago

Select Icelandair flight, departing Mon, 1 Sep. from London to Seattle, returning Mon, 15 Sep., priced at AU$903 found 6 days ago

Fri, 5 Sep. - Fri, 12 Sep.

LHR

London

SEA

Seattle

AU$909 Return, found 18 hours ago

AU$909

Return

found 18 hours ago

Select Icelandair flight, departing Fri, 5 Sep. from London to Seattle, returning Fri, 12 Sep., priced at AU$909 found 18 hours ago

Thu, 18 Sep. - Tue, 23 Sep.

LHR

London

SEA

Seattle

AU$1,006 Return, found 5 days ago

AU$1,006

Return

found 5 days ago

Select United flight, departing Thu, 18 Sep. from London to Seattle, returning Tue, 23 Sep., priced at AU$1,006 found 5 days ago

Sun, 30 Nov. - Sat, 6 Dec.

LHR

London

SEA

Seattle

AU$1,020 Return, found 10 hours ago

AU$1,020

Return

found 10 hours ago

Select Air Canada flight, departing Sun, 30 Nov. from London to Seattle, returning Sat, 6 Dec., priced at AU$1,020 found 10 hours ago

Tue, 2 Sep. - Tue, 9 Sep.

LHR

London

SEA

Seattle

AU$1,030 Return, found 3 days ago

AU$1,030

Return

found 3 days ago

Select Delta flight, departing Tue, 2 Sep. from London to Seattle, returning Tue, 9 Sep., priced at AU$1,030 found 3 days ago

Mon, 1 Sep. - Mon, 15 Sep.

LHR

London

SEA

Seattle

AU$1,054 Return, found 3 days ago

AU$1,054

Return

found 3 days ago

Select Aer Lingus flight, departing Mon, 1 Sep. from London to Seattle, returning Mon, 15 Sep., priced at AU$1,054 found 3 days ago