Cheapest one-way flights from San Francisco to London in May from $314

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

One-Way flights

20 May Flair Airlines
15 May Scandinavian Airlines
02 May Scandinavian Airlines
08 May Scandinavian Airlines
07 May jetBlue
04 May Iberia direct
10 May Iberia direct
11 May Iberia direct
07 May British Airways direct
03 May Air France direct

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

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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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