Cheapest one-way flights from San Francisco to London in May from $393

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

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

One-Way flights

02 May jetBlue
21 May WestJet
03 May British Airways direct
01 May British Airways direct
02 May Iberia direct
06 May WestJet
24 May WestJet
21 May Iberia direct
06 May Delta direct
17 May Delta direct

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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