Cheapest return flights from San Francisco to London in April from 555€

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

15 Apr - 28 Apr TAP
24 Apr - 07 May TAP
01 Apr - 07 Apr TAP
03 Apr - 10 Apr TAP
01 Apr - 14 Apr SWISS
15 Apr - 18 Apr TAP
01 Apr - 15 Apr SWISS
02 Apr - 13 Apr SWISS
18 Apr - 25 Apr TAP
06 Apr - 27 Apr Iberia
11 Apr - 15 Apr TAP
27 Apr - 11 May Turkish 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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