Cheapest return flights from Chiang Mai to Seoul in December from $256

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

Return flights

17 Dec - 22 Dec Thai AirAsia
11 Dec - 15 Dec Eastar Jet direct
15 Dec - 22 Dec Thai AirAsia
10 Dec - 15 Dec Eastar Jet direct
10 Dec - 11 Dec Eastar Jet direct
11 Dec - 23 Dec Eastar Jet direct
11 Dec - 19 Dec Eastar Jet direct
11 Dec - 17 Dec Eastar Jet direct
11 Dec - 13 Dec Eastar Jet direct
10 Dec - 23 Dec Eastar Jet direct
24 Dec - 13 Jan Eastar Jet direct
11 Dec - 01 Jan Eastar Jet direct
25 Dec - 13 Jan Eastar Jet direct
26 Dec - 13 Jan Eastar Jet direct
26 Dec - 16 Jan Eastar Jet direct
23 Dec - 13 Jan Eastar Jet direct
24 Dec - 09 Jan Eastar Jet direct
24 Dec - 01 Jan Eastar Jet direct
24 Dec - 05 Jan Eastar Jet direct
16 Dec - 18 Jan Thai AirAsia

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

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