AirHint found the following cheapest return flights from Monterrey (MTY) to Seoul (ICN) in September 2026 (see full year).
Return flights
| 03 Sep - 08 Sep | Aeromexico | ||
| 16 Sep - 23 Sep | Air Canada | ||
| 14 Sep - 30 Sep | Air Canada |
Also check the deals for one-way flights from Monterrey to Seoul in September.
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