Cheapest return CDG–SJO flights, September

AirHint found the following cheapest return flights from Paris (CDG) to San Jose (SJO) in September 2026 (see full year).

Return flights

18 Sep - 27 Sep Delta
21 Sep - 27 Sep Delta
21 Sep - 05 Oct Delta
08 Sep - 22 Sep Delta
10 Sep - 22 Sep Delta
05 Sep - 04 Oct Delta
14 Sep - 23 Sep Delta
03 Sep - 10 Sep Delta
07 Sep - 21 Sep Delta
01 Sep - 15 Sep Delta
01 Sep - 08 Sep Delta
02 Sep - 09 Sep Delta
18 Sep - 09 Oct Delta
23 Sep - 16 Oct Delta
23 Sep - 16 Oct Air France direct
18 Sep - 09 Oct Air France direct
21 Sep - 05 Oct Air France direct
21 Sep - 03 Oct Avianca

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

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