Cheapest return flights from San Francisco (SFO) to London (LHR), April

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
08 Apr 26 Apr Scandinavian Airlines
08 Apr 22 Apr Scandinavian Airlines
13 Apr 30 Apr Scandinavian Airlines
16 Apr 22 Apr Scandinavian Airlines
27 Apr 11 May Scandinavian Airlines
16 Apr 02 May Scandinavian Airlines
01 Apr 28 Apr Alaska Airlines
14 Apr 30 Apr British Airways
Direct Flight
30 Apr 28 May Scandinavian Airlines
27 Apr 11 May British Airways
Direct Flight
13 Apr 30 Apr British Airways
Direct Flight
01 Apr 28 Apr British Airways
Direct Flight
16 Apr 22 Apr British Airways
Direct Flight
16 Apr 02 May British Airways
Direct Flight
08 Apr 22 Apr Austrian Airlines
Direct Flight
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deals for one-way flights from San Francisco to London in April.

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Updated Jul 4, 2026.

About these fares

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