Cheapest return flights from San Francisco to London in September from 380€

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

Return flights

09 Sep - 16 Sep TAP
29 Sep - 07 Oct TAP
16 Sep - 23 Sep TAP
09 Sep - 29 Sep TAP
23 Sep - 08 Oct TAP
08 Sep - 17 Sep Air Canada
08 Sep - 16 Sep Air Canada
08 Sep - 01 Oct Air Canada
09 Sep - 16 Sep Lufthansa direct
03 Sep - 10 Sep Lufthansa direct
03 Sep - 30 Sep Lufthansa direct
03 Sep - 01 Oct Lufthansa direct
08 Sep - 01 Oct Lufthansa direct
15 Sep - 29 Sep Air Canada
03 Sep - 17 Sep Virgin Atlantic
30 Sep - 10 Oct Delta
09 Sep - 09 Oct Virgin Atlantic
24 Sep - 24 Oct Delta
10 Sep - 15 Oct Delta
30 Sep - 07 Oct Delta

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

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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