AirHint found the following cheapest return flights from Monterrey (MTY) to Istanbul (IST) in December 2025 (see full year).
Return flights
| 04 Dec - 11 Dec | Viva | ||
| 15 Dec - 20 Dec | Viva | ||
| 16 Dec - 25 Dec | Viva | ||
| 22 Dec - 27 Dec | Viva |
Also check the deals for one-way flights from Monterrey to Istanbul in December.
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