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

Return flights

03 Sep - 29 Sep	Spirit Airlines
26 Sep - 11 Oct	Avianca
05 Sep - 17 Sep	Spirit Airlines
05 Sep - 12 Sep	jetBlue
19 Sep - 02 Oct	Avianca
03 Sep - 05 Sep	Spirit Airlines
05 Sep - 28 Sep	Spirit Airlines
11 Sep - 24 Sep	Spirit Airlines
04 Sep - 28 Sep	Copa
20 Sep - 10 Oct	Avianca
11 Sep - 24 Sep	Air France	direct
19 Sep - 02 Oct	Air France	direct
28 Sep - 05 Oct	Avianca
20 Sep - 02 Oct	Air France	direct
04 Sep - 17 Sep	Air France
24 Sep - 05 Oct	Air France
26 Sep - 13 Oct	Air France
11 Sep - 18 Sep	Air France	direct
25 Sep - 15 Oct	Air France	direct
13 Sep - 13 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.

Book a cheap hotel in Paris

Cheap car rent in Paris

Cheapest return flights from San Jose to Paris in September from 643€

Return flights