AirHint found the following cheapest return flights from Monterrey (MTY) to Seoul (ICN) in December 2026 (see full year).
Return flights
| 04 Dec - 12 Dec | United | ||
| 24 Dec - 03 Jan | Aeromexico | ||
| 25 Dec - 07 Jan | Aeromexico | ||
| 05 Dec - 19 Dec | Aeromexico | ||
| 11 Dec - 18 Dec | Aeromexico | ||
| 18 Dec - 09 Jan | Aeromexico | ||
| 20 Dec - 27 Dec | Aeromexico |
Also check the deals for one-way flights from Monterrey to Seoul in December.
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