AirHint found the following cheapest return flights from San Francisco (SFO) to London (LGW) in February 2026 (see full year).

Return flights

06 Feb - 13 Feb	TAP
20 Feb - 08 Mar	TAP
07 Feb - 17 Feb	TAP
28 Feb - 15 Mar	TAP
02 Feb - 09 Feb	SWISS
03 Feb - 09 Feb	Alaska Airlines
02 Feb - 28 Feb	SWISS
16 Feb - 14 Mar	SWISS
09 Feb - 07 Mar	SWISS
22 Feb - 14 Mar	SWISS
14 Feb - 21 Feb	Scandinavian Airlines
28 Feb - 21 Mar	Scandinavian Airlines
12 Feb - 20 Feb	SWISS
03 Feb - 03 Mar	FrenchBee
05 Feb - 15 Feb	SWISS
08 Feb - 15 Mar	Alaska Airlines
13 Feb - 21 Feb	FrenchBee
20 Feb - 07 Mar	FrenchBee
13 Feb - 20 Feb	SWISS

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

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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Cheapest return flights from San Francisco to London in February from $474

Return flights