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

Return flights

03 Dec - 07 Dec	HK Express
04 Dec - 09 Dec	HK Express
01 Dec - 09 Dec	HK Express
02 Dec - 10 Dec	HK Express
01 Dec - 07 Dec	HK Express
05 Dec - 11 Dec	HK Express
05 Dec - 10 Dec	HK Express
04 Dec - 10 Dec	HK Express
02 Dec - 09 Dec	HK Express
11 Dec - 16 Dec	HK Express
29 Dec - 16 Jan	HK Express
29 Dec - 08 Jan	HK Express
30 Dec - 07 Jan	HK Express
30 Dec - 09 Jan	HK Express
30 Dec - 08 Jan	HK Express
29 Dec - 06 Jan	HK Express
31 Dec - 08 Jan	HK Express
30 Dec - 06 Jan	HK Express
26 Dec - 16 Jan	HK Express
27 Dec - 16 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 $341

Return flights