AirHint found the following cheapest one-way flights from Kuala Lumpur (KUL) to Seoul (ICN) in December 2025 (see full year).

One-Way flights

02 Dec	AirAsia X	direct
07 Dec	AirAsia X	direct
04 Dec	AirAsia X	direct
05 Dec	AirAsia X	direct
19 Dec	VietJet Air
10 Dec	AirAsia X	direct
08 Dec	AirAsia X	direct
25 Dec	AirAsia
15 Dec	AirAsia
29 Dec	AirAsia

Also check the deals for return 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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest one-way flights from Kuala Lumpur to Seoul in December from $130

One-Way flights