Cheapest return flights from London to San Jose in September from 627€

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

Return flights

11 Sep - 27 Sep Air France
17 Sep - 30 Sep Norse Atlantic Airways (UK)
17 Sep - 01 Oct SWISS
18 Sep - 01 Oct SWISS
18 Sep - 02 Oct SWISS
11 Sep - 26 Sep SWISS
15 Sep - 29 Sep Lufthansa
08 Sep - 18 Sep Lufthansa
13 Sep - 26 Sep Avianca
12 Sep - 26 Sep Avianca
09 Sep - 20 Sep Avianca
14 Sep - 28 Sep Avianca
16 Sep - 29 Sep Avianca
19 Sep - 02 Oct Avianca
19 Sep - 03 Oct Avianca
20 Sep - 03 Oct Avianca
20 Sep - 04 Oct Avianca

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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