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

Return flights

31 Dec - 08 Jan	HK Express
31 Dec - 06 Jan	HK Express
31 Dec - 09 Jan	HK Express
30 Dec - 08 Jan	HK Express
29 Dec - 27 Jan	HK Express
29 Dec - 12 Jan	HK Express
29 Dec - 03 Jan	Batik Air Malaysia
29 Dec - 07 Jan	HK Express
29 Dec - 06 Jan	HK Express
31 Dec - 05 Jan	HK Express
29 Dec - 30 Dec	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 470€

Return flights