Cheapest return flights from San Francisco to London in September from 607€

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

Return flights

09 Sep - 20 Sep TAP
07 Sep - 16 Sep TAP
14 Sep - 23 Sep Scandinavian Airlines
22 Sep - 29 Sep Scandinavian Airlines
07 Sep - 14 Sep Scandinavian Airlines
09 Sep - 23 Sep Aer Lingus
23 Sep - 30 Sep Aer Lingus
01 Sep - 17 Sep Aer Lingus
08 Sep - 06 Oct Aer Lingus
21 Sep - 01 Oct Aer Lingus
15 Sep - 01 Oct Aer Lingus
08 Sep - 16 Sep Aer Lingus
24 Sep - 08 Oct Scandinavian Airlines
10 Sep - 19 Sep TAP
23 Sep - 05 Oct Aer Lingus
30 Sep - 12 Oct Aer Lingus
25 Sep - 03 Oct Aer Lingus
21 Sep - 01 Oct British Airways direct
23 Sep - 05 Oct British Airways direct
24 Sep - 08 Oct British Airways direct

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

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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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