Cheapest one-way flights from San Francisco to London in May from 300€

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

06 May Alaska Airlines
07 May Alaska Airlines
21 May Alaska Airlines
04 May Alaska Airlines
05 May Alaska Airlines
20 May Alaska Airlines
31 May WestJet
03 May Alaska Airlines
10 May Alaska Airlines
23 May WestJet

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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