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

Return flights

27 Sep - 13 Oct	FrenchBee
18 Sep - 02 Oct	FrenchBee
18 Sep - 30 Sep	FrenchBee
11 Sep - 20 Sep	FrenchBee
03 Sep - 10 Sep	Vueling Airlines
27 Sep - 09 Oct	FrenchBee
27 Sep - 11 Oct	FrenchBee
19 Sep - 06 Oct	FrenchBee
21 Sep - 28 Sep	Transavia France
06 Sep - 22 Sep	FrenchBee
06 Sep - 13 Sep	FrenchBee
06 Sep - 15 Sep	FrenchBee
28 Sep - 10 Oct	Vueling Airlines
19 Sep - 30 Sep	FrenchBee
04 Sep - 15 Sep	FrenchBee
12 Sep - 15 Sep	FrenchBee
22 Sep - 06 Oct	Transavia France
24 Sep - 05 Oct	Vueling Airlines
20 Sep - 01 Oct	FrenchBee
18 Sep - 03 Oct	Iberia

Also check the deals for one-way flights from Paris 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 Paris to San Jose in September from 598€

Return flights