Cheapest one-way flights from San Francisco to London in April from 296€

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

27 Apr Alaska Airlines
06 Apr Air France
03 Apr FrenchBee
09 Apr Alaska Airlines
02 Apr Alaska Airlines
15 Apr TAP
22 Apr Iberia
25 Apr TAP
23 Apr Alaska Airlines
19 Apr TAP

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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