Cheapest one-way flights from San Francisco to London in September from 305€

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

One-Way flights

28 Sep Air Canada
08 Sep Air Canada
07 Sep Air Canada
08 Sep Lufthansa direct
06 Sep Lufthansa direct
07 Sep Lufthansa direct
09 Sep Air Canada
28 Sep Iberia direct
20 Sep Iberia direct
30 Sep Iberia direct

Also check the deals for return flights from San Francisco to London in September.

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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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