Cheapest return flights from San Francisco to London in August from $619

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

Return flights

27 Aug - 31 Aug Scandinavian Airlines
03 Aug - 11 Aug Iberia direct
06 Aug - 29 Aug Iberia direct
29 Aug - 05 Sep Scandinavian Airlines
27 Aug - 31 Aug American Airlines direct
29 Aug - 05 Sep Iberia direct
08 Aug - 30 Aug Delta

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

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