Cheapest return flights from San Francisco to London in August from 659€

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

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

Return flights

05 Aug - 28 Aug United
27 Aug - 04 Sep United
27 Aug - 10 Sep United
20 Aug - 03 Sep United
05 Aug - 19 Aug Air Canada
18 Aug - 25 Aug Air Canada
03 Aug - 18 Aug Iberia
23 Aug - 07 Sep Air Canada
20 Aug - 03 Sep British Airways direct
26 Aug - 20 Sep Air Canada
27 Aug - 28 Sep Delta direct
12 Aug - 19 Aug United
03 Aug - 31 Aug British Airways direct
24 Aug - 07 Sep Iberia direct
05 Aug - 19 Aug United direct
10 Aug - 20 Aug British Airways direct
06 Aug - 20 Aug British Airways direct
21 Aug - 28 Aug United
23 Aug - 07 Sep British Airways direct
26 Aug - 20 Sep Air France direct

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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