Cheapest return SFO–LHR flights, October

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

Return flights

19 Oct - 15 Nov TAP
14 Oct - 28 Oct Scandinavian Airlines
07 Oct - 29 Oct Scandinavian Airlines
29 Oct - 04 Nov Scandinavian Airlines
06 Oct - 14 Oct Scandinavian Airlines
19 Oct - 25 Oct Scandinavian Airlines
05 Oct - 28 Oct Scandinavian Airlines
05 Oct - 13 Oct Scandinavian Airlines
05 Oct - 14 Oct Scandinavian Airlines
05 Oct - 25 Oct Scandinavian Airlines
05 Oct - 26 Oct Scandinavian Airlines
05 Oct - 27 Oct Scandinavian Airlines
23 Oct - 08 Nov Aer Lingus
29 Oct - 04 Nov British Airways direct
23 Oct - 08 Nov British Airways direct

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

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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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