AirHint found the following cheapest return flights from Paris (CDG) to San Jose (SJO) in September 2026 (see full year).
Return flights
| 02 Sep - 14 Sep | Delta | ||
| 01 Sep - 13 Sep | Avianca | ||
| 02 Sep - 08 Sep | United | ||
| 02 Sep - 14 Sep | Air France | direct |
Also check the deals for one-way flights from Paris to San Jose in September.
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