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

Return flights

04 Sep - 09 Sep	Spirit Airlines
04 Sep - 11 Sep	Spirit Airlines
17 Sep - 01 Oct	Avianca
15 Sep - 29 Sep	Air France	direct
19 Sep - 03 Oct	Air France	direct
24 Sep - 05 Oct	Air France
03 Sep - 13 Sep	Air France
06 Sep - 15 Sep	Air France
05 Sep - 13 Sep	Air France	direct
11 Sep - 18 Sep	Air France
19 Sep - 13 Oct	Air France	direct
05 Sep - 10 Sep	Air France	direct
17 Sep - 01 Oct	Air France	direct
08 Sep - 14 Sep	Air France
04 Sep - 11 Sep	Air France	direct
01 Sep - 01 Oct	Air France

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 711€

Return flights