Cheapest return flights from San Francisco to London in August from $709

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

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

Return flights

11 Aug - 19 Aug Delta
04 Aug - 20 Aug Delta
10 Aug - 19 Aug Delta
05 Aug - 19 Aug Vueling Airlines
02 Aug - 19 Aug Delta
14 Aug - 26 Aug Virgin Atlantic
10 Aug - 24 Aug Delta
05 Aug - 21 Aug British Airways
18 Aug - 01 Sep TAP
05 Aug - 13 Aug Delta
01 Aug - 19 Aug Virgin Atlantic
26 Aug - 09 Sep jetBlue
18 Aug - 07 Sep SWISS
31 Aug - 16 Sep Turkish Airlines
27 Aug - 01 Sep TAP
28 Aug - 08 Sep Turkish Airlines

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

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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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