Cheapest return flights from Chiang Mai to Kaohsiung in December from $235

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

Return flights

11 Dec - 16 Dec Thai AirAsia
10 Dec - 14 Dec Thai AirAsia
17 Dec - 24 Dec Thai Lion Air
18 Dec - 21 Dec Thai AirAsia
22 Dec - 04 Jan Thai AirAsia
10 Dec - 13 Dec Thai AirAsia
26 Dec - 31 Dec Thai AirAsia
25 Dec - 30 Dec Thai AirAsia
29 Dec - 02 Jan Thai AirAsia
27 Dec - 30 Dec Thai AirAsia

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

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