Cheapest return flights from London to San Francisco in August from $537

Best time to book flights for London (LON) to San Francisco (SFO) flights at AirHint

AirHint found the following cheapest return flights from London (LON) to San Francisco (SFO) in August 2025 (see full year).

Return flights

26 Aug - 02 Sep TAP
27 Aug - 17 Sep Lufthansa
20 Aug - 10 Sep Scandinavian Airlines
30 Aug - 16 Sep British Airways
27 Aug - 02 Sep Scandinavian Airlines
27 Aug - 04 Sep Scandinavian Airlines
26 Aug - 04 Sep Scandinavian Airlines
27 Aug - 10 Sep Scandinavian Airlines
19 Aug - 06 Sep Scandinavian Airlines
19 Aug - 04 Sep Scandinavian Airlines
19 Aug - 28 Aug Scandinavian Airlines
20 Aug - 30 Aug Scandinavian Airlines
20 Aug - 27 Aug Scandinavian Airlines
19 Aug - 30 Aug Scandinavian Airlines
21 Aug - 28 Aug Scandinavian Airlines
27 Aug - 31 Aug Scandinavian Airlines
06 Aug - 12 Aug Fly Play
17 Aug - 24 Aug easyJet
07 Aug - 12 Aug Ryanair
22 Aug - 30 Aug Scandinavian Airlines

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

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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