AirHint found the following cheapest return flights from Busan (PUS) to Kuala Lumpur (KUL) in December 2025 (see full year).

Return flights

19 Dec - 27 Dec	Vietnam Airlines
06 Dec - 09 Dec	VietJet Air
09 Dec - 18 Dec	China Airlines
05 Dec - 18 Dec	China Airlines
02 Dec - 11 Dec	China Airlines
08 Dec - 15 Dec	China Airlines
25 Dec - 31 Dec	Vietnam Airlines
04 Dec - 17 Dec	China Airlines
07 Dec - 14 Dec	China Airlines
12 Dec - 16 Dec	Singapore Airlines
25 Dec - 04 Jan	China Airlines

Also check the deals for one-way flights from Busan to Kuala Lumpur 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 Kuala Lumpur in December from $302

Return flights