Seattle to London, UK for only $465 roundtrip

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Cheap flights from Seattle to London, UK for only $465 roundtrip.

The example dates listed below range between $465 and $479 roundtrip.

DEPART:
Seattle, USA

ARRIVE:
London, UK

RETURN:
Seattle, USA

DATES:
Availability from January to April 2025

Example dates:
20th-27th Jan
20th-28th Jan
21st-28th Jan
21st-29th Jan
23rd-30th Jan
23rd-31st Jan
4th-12th Feb
25th Feb – 4th Mar
25th Feb – 5th Mar
3rd-11th Mar
4th-11th Mar
4th-12th Mar
25th Mar – 2nd Apr
14th-22nd Apr
15th-22nd Apr
15th-23rd Apr
21st-28th Apr
21st-29th Apr
22nd-29th Apr
22nd-30th Apr
23rd-30th Apr

and more…

STOPS:
Reykjavik

AIRLINES:
Icelandair