Cheapest return flights from Chiang Mai to Seoul in October from $495

Best time to book flights for Chiang Mai (CNX) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from Chiang Mai (CNX) to Seoul (ICN) in October 2025 (see full year).

Return flights

15 Oct - 23 Oct China Airlines
01 Oct - 18 Oct Thai AirAsia
01 Oct - 09 Oct Thai AirAsia
15 Oct - 23 Oct Korean Air direct
13 Oct - 18 Oct Thai AirAsia
01 Oct - 10 Oct Thai AirAsia
03 Oct - 12 Oct Malaysia Airlines
06 Oct - 20 Oct EVA Air
01 Oct - 06 Oct Thai AirAsia
04 Oct - 18 Oct Thai AirAsia

Also check the deals for one-way flights from Chiang Mai to Seoul in October.

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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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