Cheapest one-way flights from Chiang Mai to Seoul in December from $126

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

One-Way flights

17 Dec Thai AirAsia
01 Dec Thai AirAsia
02 Dec Thai AirAsia
15 Dec Thai AirAsia
10 Dec T'way Air direct
23 Dec Eastar Jet direct
13 Dec Eastar Jet direct
15 Dec Eastar Jet direct
25 Dec Eastar Jet direct
26 Dec Eastar Jet direct

Also check the deals for return 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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