Cheapest one-way flights from San Francisco to London in May from 363€

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

AirHint found the following cheapest one-way flights from San Francisco (SFO) to London (LGW) in May 2025 (see full year).

One-Way flights

05 May Alaska Airlines
04 May Vueling Airlines
29 May Alaska Airlines
12 May Alaska Airlines
27 May Alaska Airlines
16 May Alaska Airlines
30 May Alaska Airlines
31 May TAP
24 May Alaska Airlines
08 May American Airlines

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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