AirHint found the following cheapest return flights from Geneva (GVA) to San Jose (SJO) in September 2025 (see full year).

Return flights

07 Sep - 20 Sep	easyJet
01 Sep - 19 Sep	British Airways
02 Sep - 12 Sep	British Airways
06 Sep - 21 Sep	United
01 Sep - 20 Sep	British Airways
20 Sep - 03 Oct	easyJet
26 Sep - 11 Oct	United
08 Sep - 21 Sep	United

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

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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Cheapest return flights from Geneva to San Jose in September from $898

Return flights