Cheapest return flights from San Francisco to London in August from $586

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

Return flights

25 Aug - 08 Sep Scandinavian Airlines
29 Aug - 05 Sep Scandinavian Airlines
10 Aug - 20 Aug Air Canada
04 Aug - 20 Aug Aer Lingus
15 Aug - 29 Aug Air Canada
03 Aug - 17 Aug Air Canada
21 Aug - 30 Aug Scandinavian Airlines
23 Aug - 06 Sep Scandinavian Airlines
19 Aug - 26 Aug Aer Lingus
05 Aug - 11 Aug Air Canada
02 Aug - 11 Aug Air Canada
01 Aug - 11 Aug Air Canada
06 Aug - 20 Aug SWISS
28 Aug - 11 Sep Scandinavian Airlines
25 Aug - 08 Sep American Airlines direct
28 Aug - 11 Sep American Airlines direct
29 Aug - 05 Sep American Airlines direct
23 Aug - 06 Sep Delta direct

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

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