Cheapest return flights from London to San Francisco in April from $486

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

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

Return flights

30 Apr - 19 May SWISS
30 Apr - 07 May SWISS
29 Apr - 18 May SWISS
29 Apr - 14 May SWISS
30 Apr - 05 May SWISS
30 Apr - 06 May SWISS
28 Apr - 21 May SWISS
29 Apr - 21 May SWISS
30 Apr - 21 May SWISS
27 Apr - 14 May SWISS
26 Apr - 30 Apr Aer Lingus
26 Apr - 29 Apr Brussels Airlines
26 Apr - 30 Apr Austrian Airlines direct
26 Apr - 29 Apr Austrian Airlines direct
29 Apr - 30 Apr Norse Atlantic Airways (UK)
27 Apr - 29 Apr Norse Atlantic Airways (UK)
27 Apr - 30 Apr Norse Atlantic Airways (UK)
30 Apr - 30 Apr Norse Atlantic Airways (UK)
28 Apr - 30 Apr Iberia direct
30 Apr - 30 Apr Iberia direct

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