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

Return flights

13 Sep - 17 Sep	Scoot
08 Sep - 16 Sep	Scoot
01 Sep - 07 Sep	Scoot
12 Sep - 16 Sep	Scoot
08 Sep - 13 Sep	AirAsia X	direct
11 Sep - 14 Sep	Scoot
10 Sep - 16 Sep	Scoot
18 Sep - 30 Sep	Scoot
06 Sep - 14 Sep	Scoot
05 Sep - 14 Sep	Scoot
29 Sep - 03 Oct	Scoot
30 Sep - 04 Oct	Vietnam Airlines
28 Sep - 03 Oct	Vietnam Airlines
30 Sep - 04 Oct	AirAsia X	direct
29 Sep - 03 Oct	AirAsia X	direct
28 Sep - 03 Oct	Korean Air	direct
21 Sep - 05 Oct	China Southern
30 Sep - 06 Oct	China Southern

Also check the deals for one-way 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 return flights from Kuala Lumpur to Seoul in September from $240

Return flights