Cheapest return flights from Seattle to London in February from $478

AirHint found the following cheapest return flights from Seattle (SEA) to London (LHR) in February 2026 (see full year).

Return flights

04 Feb - 11 Feb Icelandair
11 Feb - 07 Mar Icelandair
11 Feb - 17 Feb Icelandair
23 Feb - 02 Mar Icelandair
10 Feb - 07 Mar Icelandair
17 Feb - 24 Feb Icelandair
09 Feb - 17 Feb Icelandair
07 Feb - 13 Feb Icelandair
19 Feb - 26 Feb Icelandair
24 Feb - 03 Mar Icelandair
09 Feb - 17 Feb British Airways direct
11 Feb - 17 Feb British Airways direct
04 Feb - 11 Feb British Airways direct
24 Feb - 03 Mar British Airways direct
14 Feb - 21 Feb British Airways direct
12 Feb - 07 Mar British Airways direct
11 Feb - 07 Mar British Airways direct
23 Feb - 02 Mar British Airways direct
10 Feb - 07 Mar British Airways direct

Also check the deals for one-way flights from Seattle to London in February.

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