Cheapest return flights from London to San Francisco in March from $511

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

Return flights

04 Mar - 08 Mar SWISS
10 Mar - 17 Mar SWISS
19 Mar - 22 Mar SWISS
16 Mar - 22 Mar SWISS
12 Mar - 16 Mar SWISS
09 Mar - 16 Mar SWISS
02 Mar - 16 Mar SWISS
16 Mar - 30 Mar SWISS
05 Mar - 09 Mar SWISS
14 Mar - 23 Mar SWISS
24 Mar - 14 Apr Lufthansa
25 Mar - 01 Apr British Airways
25 Mar - 07 Apr SWISS
31 Mar - 14 Apr SWISS
29 Mar - 20 Apr Virgin Atlantic
29 Mar - 08 Apr Virgin Atlantic
29 Mar - 09 Apr Virgin Atlantic
25 Mar - 13 Apr SWISS
27 Mar - 12 Apr KLM
30 Mar - 10 Apr KLM

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

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