AirHint found the following cheapest return flights from Kuala Lumpur (KUL) to Seoul (ICN) in December 2026 (see full year).

Return flights

01 Dec - 07 Dec	Scoot
08 Dec - 14 Dec	Scoot
04 Dec - 09 Dec	Scoot
09 Dec - 15 Dec	Philippine Airlines
02 Dec - 11 Dec	Vietnam Airlines
02 Dec - 10 Dec	Vietnam Airlines
02 Dec - 09 Dec	Vietnam Airlines
01 Dec - 10 Dec	Vietnam Airlines
06 Dec - 16 Dec	Vietnam Airlines
10 Dec - 14 Dec	Vietnam Airlines
25 Dec - 02 Jan	VietJet Air
26 Dec - 02 Jan	VietJet Air
30 Dec - 03 Jan	VietJet Air
23 Dec - 03 Jan	VietJet Air
30 Dec - 06 Jan	VietJet Air
11 Dec - 03 Jan	VietJet Air
29 Dec - 02 Jan	VietJet Air
27 Dec - 03 Jan	VietJet Air
27 Dec - 02 Jan	VietJet Air
22 Dec - 02 Jan	VietJet Air

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 $267

Return flights