AirHint found the following cheapest return flights from Monterrey (MTY) to Sao Paulo (GRU) in January 2026 (see full year).
Return flights
| 27 Jan - 11 Feb | Aeromexico | ||
| 15 Jan - 28 Jan | Aeromexico | ||
| 30 Jan - 07 Feb | Aeromexico | ||
| 19 Jan - 31 Jan | Copa | ||
| 03 Jan - 15 Jan | Viva | ||
| 11 Jan - 15 Jan | Viva | ||
| 11 Jan - 01 Feb | Viva |
Also check the deals for one-way flights from Monterrey to Sao Paulo in January.
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