Cheapest return flights from San Francisco to London in August from $507

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

Return flights

17 Aug - 29 Aug Delta
03 Aug - 19 Aug Delta
04 Aug - 20 Aug Delta
11 Aug - 25 Aug Virgin Atlantic
19 Aug - 25 Aug Virgin Atlantic
10 Aug - 19 Aug Delta
20 Aug - 27 Aug Delta
18 Aug - 28 Aug Delta
18 Aug - 25 Aug Virgin Atlantic
20 Aug - 27 Aug American Airlines 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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