AirHint found the following cheapest one-way flights from Seoul (GMP) to Chiang Mai (CNX) in October 2026 (see full year).
One-Way flights
| 19 Oct | Air China | ||
| 20 Oct | Air China | ||
| 24 Oct | Air China | ||
| 22 Oct | Air China | ||
| 01 Oct | Air China |
Also check the deals for return flights from Seoul to Chiang Mai in October.
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