Cheapest return flights from San Francisco to London in April from 402€

AirHint found the following cheapest return flights from San Francisco (SFO) to London (LHR) in April 2026 (see full year).

Return flights

30 Apr - 07 May TAP
22 Apr - 26 Apr Scandinavian Airlines
22 Apr - 27 Apr Scandinavian Airlines
30 Apr - 09 May TAP
27 Apr - 04 May Scandinavian Airlines
27 Apr - 06 May Scandinavian Airlines
18 Apr - 09 May Scandinavian Airlines
19 Apr - 24 Apr Scandinavian Airlines
01 Apr - 10 Apr Aer Lingus
01 Apr - 07 Apr Aer Lingus
29 Apr - 15 May Delta
28 Apr - 08 May Delta
05 Apr - 25 Apr Austrian Airlines
01 Apr - 25 Apr Aer Lingus
27 Apr - 06 May British Airways direct
29 Apr - 15 May British Airways direct
08 Apr - 02 May KLM
04 Apr - 13 Apr Delta
03 Apr - 13 Apr Delta
23 Apr - 27 Apr Aer Lingus

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

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