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
21 Dec - 05 Jan	China Eastern
12 Dec - 20 Dec	China Eastern
20 Dec - 03 Jan	China Eastern
01 Dec - 03 Dec	Japan Airlines
20 Dec - 25 Dec	Japan Airlines
22 Dec - 27 Dec	Japan Airlines
24 Dec - 29 Dec	Japan Airlines
19 Dec - 24 Dec	Japan Airlines
17 Dec - 22 Dec	Japan Airlines
14 Dec - 17 Dec	Japan Airlines
16 Dec - 23 Dec	Japan Airlines
24 Dec - 11 Jan	Japan Airlines
04 Dec - 15 Jan	Japan Airlines
28 Dec - 30 Jan	Japan Airlines
24 Dec - 01 Jan	Japan Airlines
22 Dec - 02 Jan	Japan Airlines
29 Dec - 23 Jan	Japan Airlines
30 Dec - 03 Jan	Japan Airlines
27 Dec - 02 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 256€

Return flights