Cheapest return flights from Seattle to London in February from 431€

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

Return flights

10 Feb - 17 Feb Lufthansa
03 Feb - 10 Feb Delta
11 Feb - 18 Feb British Airways direct
10 Feb - 17 Feb British Airways direct
20 Feb - 27 Feb Icelandair
13 Feb - 07 Mar Icelandair
21 Feb - 28 Feb Icelandair
01 Feb - 08 Feb Icelandair
14 Feb - 20 Feb Icelandair
14 Feb - 21 Feb Icelandair
13 Feb - 21 Feb Icelandair
14 Feb - 07 Mar Icelandair
13 Feb - 07 Mar British Airways direct
14 Feb - 07 Mar British Airways direct

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

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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