$409 Cheap Icelandair flights Seattle (SEA) to London (LGW)

$409 Cheap Icelandair flights Seattle (SEA) to London (LGW)

Prices were available within the past 7 days and start at $409 for one-way flights and $514 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Feb 15 - Tue, Mar 3

SEA

Seattle

LGW

London

$514 Roundtrip, found 1 day ago

$514

Roundtrip

found 1 day ago

Select Icelandair flight, departing Sun, Feb 15 from Seattle to London, returning Tue, Mar 3, priced at $514 found 1 day ago

Sun, Feb 15 - Tue, Mar 3

SEA

Seattle

LGW

London

$654 Roundtrip, found 1 day ago

$654

Roundtrip

found 1 day ago

Select Icelandair flight, departing Sun, Feb 15 from Seattle to London, returning Tue, Mar 3, priced at $654 found 1 day ago

Sun, Feb 15 - Tue, Mar 3

SEA

Seattle

LGW

London

$991 Roundtrip, found 1 day ago

$991

Roundtrip

found 1 day ago

Select Icelandair flight, departing Sun, Feb 15 from Seattle to London, returning Tue, Mar 3, priced at $991 found 1 day ago