Cheapest return flights from San Francisco to London in August from $616

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

04 Aug - 25 Aug British Airways
11 Aug - 28 Aug Delta
19 Aug - 26 Aug British Airways
06 Aug - 27 Aug TAP
05 Aug - 21 Aug Delta
04 Aug - 20 Aug Delta
03 Aug - 19 Aug British Airways
14 Aug - 26 Aug Virgin Atlantic
04 Aug - 18 Aug Delta
03 Aug - 18 Aug Delta
18 Aug - 10 Sep TAP
26 Aug - 11 Sep British Airways
25 Aug - 10 Sep ITA Airways
26 Aug - 10 Sep ITA Airways
30 Aug - 10 Sep Air Canada
27 Aug - 10 Sep ITA Airways
25 Aug - 08 Sep ITA Airways
29 Aug - 09 Sep Turkish Airlines
29 Aug - 08 Sep Turkish Airlines
15 Aug - 01 Sep Turkish Airlines

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