Cheapest return flights from Chiang Mai to Seoul in December from $533

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 December 2025 (see full year).

Return flights

27 Dec - 14 Jan Thai AirAsia
27 Dec - 12 Jan Thai AirAsia
27 Dec - 15 Jan Thai AirAsia
31 Dec - 15 Jan Thai AirAsia
31 Dec - 14 Jan Thai AirAsia
31 Dec - 12 Jan Thai AirAsia
29 Dec - 15 Jan Thai AirAsia
29 Dec - 14 Jan Thai AirAsia
29 Dec - 12 Jan Thai AirAsia
23 Dec - 12 Jan Thai AirAsia
01 Dec - 15 Dec Thai AirAsia
01 Dec - 17 Dec Thai AirAsia
01 Dec - 18 Dec Thai AirAsia
01 Dec - 02 Dec Thai AirAsia
16 Dec - 17 Dec Thai AirAsia
16 Dec - 18 Dec Thai AirAsia
02 Dec - 15 Dec Thai AirAsia
02 Dec - 17 Dec Thai AirAsia
02 Dec - 18 Dec Thai AirAsia
01 Dec - 10 Dec Thai AirAsia

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