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

One-Way flights

30 Sep	AirAsia X	direct
27 Sep	AirAsia X	direct
05 Sep	AirAsia X	direct
29 Sep	AirAsia X	direct
06 Sep	AirAsia X	direct
25 Sep	AirAsia X	direct
08 Sep	AirAsia X	direct
19 Sep	AirAsia X	direct
26 Sep	AirAsia X	direct
23 Sep	Batik Air Malaysia	direct

Also check the deals for return flights from Kuala Lumpur to Seoul in September.

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 one-way flights from Kuala Lumpur to Seoul in September from 79€

One-Way flights