CA $564 Cheap Icelandair fights from Seattle (SEA) to London (LON)

Icelandair flights from Seattle to London (SEA→LON)

Prices were available within the past 7 days and start at CA $564 for one-way flights and CA $714 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Mar. 17 - Mon, Mar. 30

SEA

Seattle

LGW

London

CA $714 Roundtrip, found 6 days ago

CA $714

Roundtrip

found 6 days ago

Select Icelandair flight, departing Tue, Mar. 17 from Seattle to London, returning Mon, Mar. 30, priced at CA $714 found 6 days ago

Wed, Jan. 21 - Tue, Feb. 3

SEA

Seattle

LGW

London

CA $715 Roundtrip, found 3 days ago

CA $715

Roundtrip

found 3 days ago

Select Icelandair flight, departing Wed, Jan. 21 from Seattle to London, returning Tue, Feb. 3, priced at CA $715 found 3 days ago

Mon, Jan. 26 - Mon, Mar. 2

SEA

Seattle

LGW

London

CA $716 Roundtrip, found 4 days ago

CA $716

Roundtrip

found 4 days ago

Select Icelandair flight, departing Mon, Jan. 26 from Seattle to London, returning Mon, Mar. 2, priced at CA $716 found 4 days ago

Thu, Oct. 2 - Sun, Oct. 5

SEA

Seattle

LGW

London

CA $718 Roundtrip, found 1 day ago

CA $718

Roundtrip

found 1 day ago

Select Icelandair flight, departing Thu, Oct. 2 from Seattle to London, returning Sun, Oct. 5, priced at CA $718 found 1 day ago

Sat, Nov. 29 - Sun, Dec. 14

SEA

Seattle

LGW

London

CA $718 Roundtrip, just found

CA $718

Roundtrip

just found

Select Icelandair flight, departing Sat, Nov. 29 from Seattle to London, returning Sun, Dec. 14, priced at CA $718 just found

Mon, Oct. 27 - Tue, Nov. 11

SEA

Seattle

LHR

London

CA $720 Roundtrip, found 6 days ago

CA $720

Roundtrip

found 6 days ago

Select Icelandair flight, departing Mon, Oct. 27 from Seattle to London, returning Tue, Nov. 11, priced at CA $720 found 6 days ago