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

Return flights

13 Dec - 15 Dec	Batik Air Malaysia
31 Dec - 07 Jan	HK Express
31 Dec - 06 Jan	HK Express
31 Dec - 08 Jan	HK Express
12 Dec - 19 Dec	Batik Air Malaysia
30 Dec - 09 Jan	HK Express
31 Dec - 05 Jan	HK Express
09 Dec - 16 Jan	HK Express
30 Dec - 06 Jan	HK Express
25 Dec - 09 Jan	HK Express
15 Dec - 17 Dec	HK Express
09 Dec - 10 Dec	HK Express
15 Dec - 18 Dec	HK Express
15 Dec - 21 Dec	HK Express
10 Dec - 16 Dec	HK Express
16 Dec - 18 Dec	HK Express
30 Dec - 05 Jan	HK Express
09 Dec - 16 Dec	HK Express
09 Dec - 12 Dec	HK Express
26 Dec - 06 Jan	HK Express

Also check the deals for one-way flights from Kuala Lumpur 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 Kuala Lumpur to Seoul in December from $484

Return flights