Cheapest return flights from San Francisco to London in July from $606

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 July 2025 (see full year).

Return flights

28 Jul - 20 Aug American Airlines
23 Jul - 23 Aug Hawaiian Airlines
28 Jul - 18 Aug Alaska Airlines
09 Jul - 21 Jul Air Canada
30 Jul - 13 Aug SWISS
11 Jul - 21 Jul Air Canada
09 Jul - 16 Jul Air Canada
09 Jul - 15 Jul Air Canada
28 Jul - 12 Aug Air Canada
20 Jul - 31 Jul British Airways
11 Jul - 16 Jul Frontier Airlines
08 Jul - 22 Jul British Airways
15 Jul - 22 Jul British Airways
01 Jul - 09 Jul Air Canada
28 Jul - 13 Aug ITA Airways
28 Jul - 04 Aug Frontier Airlines
10 Jul - 14 Jul Air Canada
14 Jul - 04 Aug Frontier Airlines
16 Jul - 10 Aug Frontier Airlines
11 Jul - 23 Aug Sun Country Airlines

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

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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