AirHint found the following cheapest return flights from Sao Paulo (GRU) to San Juan (SJU) in September 2026 (see full year).
Return flights
| 27 Sep - 04 Oct | Arajet | ||
| 13 Sep - 20 Sep | Arajet | ||
| 11 Sep - 20 Sep | Arajet | ||
| 04 Sep - 13 Sep | Arajet | ||
| 06 Sep - 14 Sep | GOL Linhas Aéreas | ||
| 08 Sep - 20 Sep | Avianca | ||
| 18 Sep - 21 Sep | GOL Linhas Aéreas |
Also check the deals for one-way flights from Sao Paulo to San Juan in September.
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