Cheapest return flights from London to San Jose in September from 808€

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

Return flights

01 Sep - 30 Sep KLM
01 Sep - 20 Sep KLM
08 Sep - 15 Sep Lufthansa
18 Sep - 30 Sep KLM
10 Sep - 20 Sep KLM
16 Sep - 23 Sep KLM
10 Sep - 17 Sep Lufthansa
19 Sep - 26 Sep KLM
03 Sep - 19 Sep SWISS
09 Sep - 22 Sep Lufthansa
19 Sep - 14 Oct KLM
28 Sep - 19 Oct KLM
25 Sep - 31 Oct Lufthansa
20 Sep - 08 Oct KLM

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

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