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

Return flights

31 Dec - 07 Jan	Jeju Air
30 Dec - 01 Jan	Jeju Air
30 Dec - 02 Jan	Jeju Air
31 Dec - 02 Jan	Jeju Air
27 Dec - 01 Jan	Jeju Air
27 Dec - 02 Jan	Jeju Air
30 Dec - 05 Jan	Jeju Air
31 Dec - 05 Jan	Jeju Air
29 Dec - 06 Jan	Jeju Air
29 Dec - 02 Jan	Jeju Air
27 Dec - 30 Dec	Jeju Air
27 Dec - 29 Dec	Jeju Air
27 Dec - 28 Dec	Jeju Air
27 Dec - 31 Dec	Jeju Air
28 Dec - 30 Dec	Jeju Air
29 Dec - 31 Dec	Jeju Air
28 Dec - 31 Dec	Jeju Air

Also check the deals for one-way flights from Busan to Kota Kinabalu 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 Busan to Kota Kinabalu in December from 274€

Return flights