Cheapest return flights from San Francisco to London in October from 511€

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

06 Oct - 20 Oct TAP
01 Oct - 08 Oct TAP
01 Oct - 12 Nov Iberia direct
01 Oct - 08 Oct Iberia direct
06 Oct - 20 Oct Iberia direct
17 Oct - 24 Oct United
02 Oct - 09 Oct United
10 Oct - 25 Oct Scandinavian Airlines
10 Oct - 25 Oct 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