Cheapest return flights from Seattle to London in February from 434€

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

Return flights

03 Feb - 13 Feb Air France
01 Feb - 08 Feb Icelandair
11 Feb - 18 Feb British Airways direct
21 Feb - 28 Feb Icelandair
03 Feb - 13 Feb British Airways direct
01 Feb - 08 Feb British Airways direct
21 Feb - 28 Feb 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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.