Cheapest return flights from London to San Jose in September from 661€

AirHint found the following cheapest return flights from London (LON) to San Jose (SJO) in September 2026 (see full year).

Return flights

16 Sep - 30 Sep Norse Atlantic Airways (UK)
03 Sep - 18 Sep SWISS
11 Sep - 27 Sep SWISS
18 Sep - 02 Oct SWISS
03 Sep - 16 Sep SWISS
16 Sep - 29 Sep Norse Atlantic Airways (UK)
15 Sep - 23 Sep Lufthansa
04 Sep - 16 Sep Norse Atlantic Airways (UK)
04 Sep - 17 Sep SWISS
23 Sep - 29 Sep jetBlue
17 Sep - 24 Sep SWISS
30 Sep - 16 Oct Air Canada
23 Sep - 07 Oct Air Canada
19 Sep - 03 Oct Air Canada
26 Sep - 02 Oct Air Canada
01 Sep - 31 Oct Air Canada

Also check the deals for one-way flights from London to San Jose in September.

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