Cheapest return flights from Seoul to Chiang Mai in December from 283€

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

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

Return flights

01 Dec - 18 Dec AirAsia X
10 Dec - 15 Dec Vietnam Airlines
16 Dec - 18 Dec Thai AirAsia X
17 Dec - 18 Dec Thai AirAsia X
01 Dec - 22 Dec AirAsia X
01 Dec - 04 Dec AirAsia X
22 Dec - 12 Jan Thai AirAsia X
01 Dec - 10 Dec AirAsia X
01 Dec - 07 Dec AirAsia X
23 Dec - 21 Jan Thai AirAsia X
02 Dec - 18 Dec Thai AirAsia X
23 Dec - 12 Jan Thai AirAsia X
16 Dec - 22 Dec Thai AirAsia X
15 Dec - 12 Jan Malaysia Airlines
01 Dec - 31 Jan Malaysia Airlines
17 Dec - 06 Jan Thai AirAsia X
18 Dec - 06 Jan Thai AirAsia X
15 Dec - 27 Jan China Airlines
16 Dec - 16 Jan China Airlines
18 Dec - 02 Jan Malaysia Airlines

Also check the deals for one-way 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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