Cheapest return flights from London (LCY) to San Jose (SJO), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
15 Sep 20 Oct Lufthansa
17 Sep 29 Sep SWISS
15 Sep 29 Sep Lufthansa
17 Sep 24 Sep SWISS
29 Sep 08 Oct Lufthansa
19 Sep 03 Oct KLM
21 Sep 30 Sep Air Dolomiti
15 Sep 27 Sep Air Dolomiti
14 Sep 29 Sep KLM
21 Sep 19 Oct Air Dolomiti
15 Sep 22 Sep Lufthansa
10 Sep 15 Sep SWISS
06 Sep 23 Sep KLM
16 Sep 30 Sep Delta
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deals for one-way flights from London to San Jose in September.

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Updated May 21, 2026.

About these fares

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