£492 Cheap Icelandair flights from London to Seattle (LHR→SEA)

Icelandair flights from London to Seattle (LHR→SEA)

Prices were available within the past 7 days and start at £492 for one-way flights and £423 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, 12 Oct - Sun, 19 Oct

LHR

London

SEA

Seattle

£423 Return, found 12 hours ago

£423

Return

found 12 hours ago

Select Icelandair flight, departing Sun, 12 Oct from London to Seattle, returning Sun, 19 Oct, priced at £423 found 12 hours ago

Sat, 18 Oct - Thu, 23 Oct

LHR

London

SEA

Seattle

£424 Return, found 3 days ago

£424

Return

found 3 days ago

Select Icelandair flight, departing Sat, 18 Oct from London to Seattle, returning Thu, 23 Oct, priced at £424 found 3 days ago

Wed, 15 Oct - Wed, 22 Oct

LHR

London

SEA

Seattle

£437 Return, found 12 hours ago

£437

Return

found 12 hours ago

Select Icelandair flight, departing Wed, 15 Oct from London to Seattle, returning Wed, 22 Oct, priced at £437 found 12 hours ago

Fri, 10 Oct - Sat, 25 Oct

LHR

London

SEA

Seattle

£438 Return, found 1 hour ago

£438

Return

found 1 hour ago

Select Icelandair flight, departing Fri, 10 Oct from London to Seattle, returning Sat, 25 Oct, priced at £438 found 1 hour ago

Sat, 11 Oct - Thu, 16 Oct

LHR

London

SEA

Seattle

£439 Return, found 1 hour ago

£439

Return

found 1 hour ago

Select Icelandair flight, departing Sat, 11 Oct from London to Seattle, returning Thu, 16 Oct, priced at £439 found 1 hour ago

Sat, 11 Oct - Thu, 16 Oct

LHR

London

SEA

Seattle

£467 Return, found 1 hour ago

£467

Return

found 1 hour ago

Select Icelandair flight, departing Sat, 11 Oct from London to Seattle, returning Thu, 16 Oct, priced at £467 found 1 hour ago