Cheapest return flights from London to San Francisco in August from $865

AirHint found the following cheapest return flights from London (LCY) to San Francisco (SFO) in August 2026 (see full year).

Return flights

21 Aug - 30 Aug SWISS
19 Aug - 26 Aug SWISS
17 Aug - 25 Aug SWISS
17 Aug - 26 Aug SWISS
09 Aug - 23 Aug Virgin Atlantic
28 Aug - 08 Sep ITA Airways
29 Aug - 08 Sep SWISS
17 Aug - 24 Aug SWISS
18 Aug - 25 Aug SWISS
02 Aug - 09 Aug Virgin Atlantic
04 Aug - 10 Aug SWISS
17 Aug - 03 Sep SWISS
31 Aug - 07 Sep Aer Lingus
20 Aug - 24 Aug Condor
28 Aug - 01 Sep Condor
20 Aug - 03 Sep Condor
12 Aug - 03 Sep Condor

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

Powered by

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.

Book a cheap hotel in San Francisco

Cheap car rent in San Francisco

Feel free to contact us with any feedback or request another flight research.