Cheapest one-way flights from San Francisco to London in May from 286€

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

One-Way flights

15 May Alaska Airlines
08 May Alaska Airlines
18 May Alaska Airlines
05 May SWISS
11 May SWISS

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

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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