Cheapest one-way flights from San Francisco to London in April from 345€

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 April 2025 (see full year).

One-Way flights

23 Apr Alaska Airlines
26 Apr jetBlue
15 Apr SWISS
22 Apr TAP
19 Apr TAP
10 Apr TAP
21 Apr FrenchBee
04 Apr TAP
20 Apr Turkish Airlines

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

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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