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

Return flights

13 Sep - 20 Sep	Avianca
06 Sep - 27 Sep	Avianca
02 Sep - 30 Sep	Avianca
04 Sep - 28 Sep	Avianca
04 Sep - 09 Sep	Avianca
04 Sep - 01 Oct	Avianca
14 Sep - 27 Sep	Alaska Airlines
05 Sep - 12 Sep	Iberia
05 Sep - 10 Sep	Iberia
06 Sep - 21 Sep	Iberia
03 Sep - 13 Sep	Iberia
17 Sep - 01 Oct	Avianca
03 Sep - 01 Oct	Iberia

Also check the deals for one-way flights from San Jose to Paris 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 San Jose to Paris in September from $680

Return flights