AirHint found the following cheapest return flights from Greenville (GSP) to Sao Paulo (GRU) in December 2025 (see full year).
Return flights
| 01 Dec - 05 Dec | Allegiant Air | ||
| 08 Dec - 30 Dec | Breeze Airways | ||
| 16 Dec - 10 Jan | Allegiant Air | ||
| 03 Dec - 24 Dec | United |
Also check the deals for one-way flights from Greenville to Sao Paulo in December.
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