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

Return flights

12 Dec - 17 Dec	AirAsia
16 Dec - 17 Dec	AirAsia
15 Dec - 17 Dec	AirAsia
16 Dec - 19 Dec	AirAsia
17 Dec - 19 Dec	AirAsia
26 Dec - 13 Jan	AirAsia
23 Dec - 13 Jan	AirAsia
25 Dec - 13 Jan	AirAsia
16 Dec - 24 Dec	AirAsia
12 Dec - 19 Dec	AirAsia
17 Dec - 24 Dec	AirAsia
15 Dec - 19 Dec	AirAsia
12 Dec - 24 Dec	AirAsia
16 Dec - 03 Jan	AirAsia
17 Dec - 03 Jan	AirAsia
16 Dec - 02 Jan	AirAsia
24 Dec - 13 Jan	AirAsia
17 Dec - 02 Jan	AirAsia
15 Dec - 03 Jan	AirAsia
12 Dec - 02 Jan	AirAsia

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

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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Cheapest return flights from Kuching to Seoul in December from $392

Return flights