AirHint found the following cheapest return flights from Monterrey (MTY) to Sao Paulo (GRU) in January 2026 (see full year).
Return flights
| 28 Jan - 28 Feb | Copa | ||
| 19 Jan - 31 Jan | Copa | ||
| 19 Jan - 26 Jan | Avianca | ||
| 15 Jan - 19 Jan | Copa | ||
| 31 Jan - 28 Feb | Aeromexico | ||
| 29 Jan - 12 Feb | Viva | ||
| 01 Jan - 15 Jan | Viva |
Also check the deals for one-way flights from Monterrey to Sao Paulo in January.
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