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

Return flights

20 Dec - 25 Dec	Air Busan	direct
18 Dec - 22 Dec	Jeju Air
10 Dec - 17 Dec	HK Express
03 Dec - 08 Dec	Jeju Air
25 Dec - 30 Dec	Jeju Air
22 Dec - 29 Dec	Jeju Air
17 Dec - 22 Dec	Jeju Air
06 Dec - 12 Dec	Jeju Air
30 Dec - 06 Jan	Jeju Air
20 Dec - 23 Dec	Jeju Air
24 Dec - 30 Dec	Jeju Air
28 Dec - 04 Jan	Air Busan
30 Dec - 02 Jan	Jeju Air
29 Dec - 01 Jan	Jeju Air
30 Dec - 05 Jan	Jeju Air
31 Dec - 06 Jan	Korean Air
27 Dec - 05 Jan	HK Express
27 Dec - 01 Jan	HK Express
24 Dec - 01 Jan	HK Express
27 Dec - 02 Jan	HK Express

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.

Book a cheap hotel in Kota Kinabalu

Cheap car rent in Kota Kinabalu

Cheapest return flights from Busan to Kota Kinabalu in December from $309

Return flights