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

Return flights

02 Dec - 15 Dec	China Eastern
05 Dec - 14 Dec	Air Busan
04 Dec - 09 Dec	Eastar Jet
19 Dec - 26 Dec	Korean Air
19 Dec - 01 Jan	T'way Air
07 Dec - 18 Dec	Japan Airlines
08 Dec - 17 Dec	Japan Airlines
21 Dec - 01 Jan	Japan Airlines
12 Dec - 17 Dec	Japan Airlines
13 Dec - 16 Dec	Japan Airlines
01 Dec - 04 Dec	Japan Airlines
21 Dec - 24 Dec	Japan Airlines
18 Dec - 02 Jan	Japan Airlines
26 Dec - 02 Jan	Japan Airlines
27 Dec - 02 Jan	Japan Airlines
08 Dec - 02 Jan	Japan Airlines
23 Dec - 23 Jan	Japan Airlines
20 Dec - 01 Jan	Japan Airlines
10 Dec - 31 Jan	Japan Airlines
23 Dec - 01 Jan	Japan Airlines

Also check the deals for one-way flights from Seoul 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 Seoul to Kuala Lumpur in December from 261€

Return flights