Cheapest return flights from San Francisco to London in September from 508€

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

Return flights

02 Sep - 11 Sep Scandinavian Airlines
03 Sep - 10 Sep Scandinavian Airlines
02 Sep - 12 Sep Scandinavian Airlines
02 Sep - 13 Sep Scandinavian Airlines
12 Sep - 23 Sep Scandinavian Airlines
12 Sep - 26 Sep Scandinavian Airlines
22 Sep - 25 Sep Scandinavian Airlines
02 Sep - 11 Sep Finnair direct
03 Sep - 10 Sep British Airways direct
02 Sep - 12 Sep British Airways direct

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

Powered by

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.