AirHint found the following cheapest one-way flights from Seoul (GMP) to Chiang Mai (CNX) in April 2026 (see full year).
One-Way flights
| 12 Apr | Korean Air | ||
| 08 Apr | Korean Air | ||
| 13 Apr | Jeju Air | ||
| 05 Apr | Jeju Air | ||
| 23 Apr | Air China | ||
| 18 Apr | Air China | ||
| 06 Apr | Air China | ||
| 16 Apr | Air China | ||
| 25 Apr | Air China | ||
| 28 Apr | Air China |
Also check the deals for return flights from Seoul to Chiang Mai in April.
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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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