Cheapest return flights from San Francisco to London in April from 571€

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

AirHint found the following cheapest return flights from San Francisco (SFO) to London (LGW) in April 2025 (see full year).

Return flights

03 Apr - 10 Apr TAP
04 Apr - 10 Apr TAP
23 Apr - 28 Apr SWISS
06 Apr - 27 Apr Vueling Airlines
12 Apr - 22 Apr TAP
11 Apr - 21 Apr TAP
16 Apr - 29 Apr Turkish Airlines
18 Apr - 21 Apr SWISS
17 Apr - 29 Apr SWISS
01 Apr - 20 Apr Turkish Airlines
15 Apr - 15 May Alaska Airlines
20 Apr - 04 May Vueling Airlines

Also check the deals for one-way flights from San Francisco to London in April.

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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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