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

Return flights

05 Dec - 09 Dec	AirAsia
05 Dec - 07 Dec	AirAsia
03 Dec - 09 Dec	AirAsia
03 Dec - 05 Dec	AirAsia
03 Dec - 07 Dec	AirAsia
05 Dec - 11 Dec	AirAsia
03 Dec - 11 Dec	AirAsia
06 Dec - 09 Dec	AirAsia
01 Dec - 09 Dec	AirAsia
01 Dec - 05 Dec	AirAsia
24 Dec - 13 Jan	Jin Air	direct
24 Dec - 12 Jan	Jin Air	direct
20 Dec - 05 Jan	Jin Air	direct
18 Dec - 05 Jan	Jin Air	direct
24 Dec - 05 Jan	Jin Air	direct
25 Dec - 13 Jan	AirAsia	direct
26 Dec - 13 Jan	AirAsia	direct
20 Dec - 04 Jan	Jin Air	direct
18 Dec - 04 Jan	Jin Air	direct
24 Dec - 04 Jan	Jin Air	direct

Also check the deals for one-way flights from Kota Kinabalu 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 Kota Kinabalu to Seoul in December from $180

Return flights