Cheapest return flights from San Francisco to London in May from 616€

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

Return flights

09 May - 20 May Alaska Airlines
13 May - 04 Jun Alaska Airlines
25 May - 10 Jun WestJet
12 May - 28 May TAP
12 May - 26 May Alaska Airlines
07 May - 20 May Alaska Airlines
13 May - 03 Jun Alaska Airlines
03 May - 14 May Turkish Airlines
07 May - 21 May Turkish Airlines
03 May - 12 May Turkish Airlines
05 May - 24 Jun Turkish Airlines
12 May - 02 Jun Turkish Airlines
11 May - 19 May Turkish Airlines
14 May - 27 May TAP
14 May - 04 Jun TAP
03 May - 10 May SWISS
28 May - 04 Jun WestJet
20 May - 01 Jun Alaska Airlines
22 May - 04 Jun Frontier Airlines
19 May - 02 Jun TAP

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

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