Cheapest return SFO–LHR flights, April

AirHint found the following cheapest return flights from San Francisco (SFO) to London (LHR) in April 2027 (see full year).

Return flights

10 Apr - 24 Apr Scandinavian Airlines
27 Apr - 10 May Scandinavian Airlines
27 Apr - 07 May Scandinavian Airlines
27 Apr - 07 May British Airways direct
17 Apr - 01 May Lufthansa
17 Apr - 01 May Finnair direct

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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