Cheapest return flights from San Francisco to London in October from $464

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

Return flights

01 Oct - 07 Oct Air Canada
01 Oct - 21 Oct Air Canada
16 Oct - 24 Oct Air Canada
21 Oct - 09 Nov Air Canada
08 Oct - 18 Nov Delta
23 Oct - 04 Nov Air Canada
16 Oct - 27 Oct Air Canada
19 Oct - 04 Nov British Airways direct
02 Oct - 17 Oct Air Canada
08 Oct - 15 Oct British Airways direct
28 Oct - 04 Nov British Airways direct
08 Oct - 18 Nov British Airways direct
20 Oct - 25 Oct Scandinavian Airlines
17 Oct - 02 Nov Scandinavian Airlines
31 Oct - 15 Nov Scandinavian Airlines
13 Oct - 20 Oct British Airways direct
16 Oct - 23 Oct British Airways direct
23 Oct - 30 Oct British Airways direct
21 Oct - 09 Nov British Airways direct
17 Oct - 02 Nov British Airways direct

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

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.

Book a cheap hotel in London

Cheap car rent in London

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