AirHint found the following cheapest one-way flights from Seoul (ICN) to Chiang Mai (CNX) in December 2026 (see full year).
One-Way flights
| 23 Dec | Thai AirAsia | ||
| 08 Dec | Thai AirAsia | ||
| 04 Dec | HK Express | ||
| 14 Dec | VietJet Air | ||
| 06 Dec | HK Express | ||
| 01 Dec | HK Express | ||
| 13 Dec | HK Express | ||
| 09 Dec | HK Express | ||
| 22 Dec | Thai AirAsia | ||
| 10 Dec | HK Express |
Also check the deals for return flights from Seoul to Chiang Mai in December.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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