Cheapest return flights from San Francisco to London in October from $549

Best time to book flights for San Francisco (SFO) to London (LHR) flights at AirHint

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

Return flights

02 Oct - 06 Oct TAP
09 Oct - 16 Oct TAP
09 Oct - 21 Oct TAP
07 Oct - 17 Oct Scandinavian Airlines
10 Oct - 20 Oct Scandinavian Airlines
22 Oct - 26 Oct Scandinavian Airlines
16 Oct - 08 Nov TAP
17 Oct - 24 Oct Aer Lingus
07 Oct - 17 Oct British Airways direct
23 Oct - 26 Oct Scandinavian Airlines
23 Oct - 30 Oct United
18 Oct - 01 Nov Aer Lingus
16 Oct - 08 Nov British Airways direct
18 Oct - 01 Nov Virgin Atlantic 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.

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