AirHint found the following cheapest return flights from Sao Paulo (GRU) to San Jose (SJO) in September 2026 (see full year).
Return flights
| 03 Sep - 24 Sep | Avianca | ||
| 10 Sep - 20 Sep | Copa | ||
| 08 Sep - 22 Sep | Copa | ||
| 08 Sep - 19 Sep | Copa | ||
| 02 Sep - 30 Sep | Copa | ||
| 19 Sep - 03 Oct | Copa | ||
| 20 Sep - 04 Oct | Copa | ||
| 05 Sep - 12 Sep | Avianca |
Also check the deals for one-way flights from Sao Paulo to San Jose in September.
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