Cheapest return flights from San Francisco to London in May from 545€

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

Return flights

06 May - 20 May Delta
06 May - 27 May Virgin Atlantic
01 May - 12 May Delta
06 May - 20 May British Airways direct
01 May - 09 May Air Canada
03 May - 07 May Scandinavian Airlines
01 May - 11 May Finnair direct
02 May - 09 May British Airways direct
08 May - 16 May British Airways direct
18 May - 13 Jun SWISS
18 May - 13 Jun British Airways direct
27 May - 03 Jun Scandinavian Airlines
26 May - 09 Jun TAP
15 May - 24 May Scandinavian Airlines
16 May - 06 Jun United
26 May - 09 Jun Iberia direct
16 May - 06 Jun British Airways direct
22 May - 13 Jun TAP
26 May - 15 Jun United
31 May - 08 Jun British Airways direct

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

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