AirHint found the following cheapest one-way flights from Chiang Mai (CNX) to Seoul (ICN) in March 2026 (see full year).
One-Way flights
| 16 Mar | AirAsia | ||
| 11 Mar | AirAsia | ||
| 09 Mar | AirAsia | ||
| 14 Mar | AirAsia | ||
| 25 Mar | Thai AirAsia | ||
| 27 Mar | Thai AirAsia | ||
| 18 Mar | Thai AirAsia | ||
| 26 Mar | Thai AirAsia | ||
| 17 Mar | Thai AirAsia | ||
| 29 Mar | Thai AirAsia |
Also check the deals for return flights from Chiang Mai to Seoul in March.
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