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

Return flights

12 May - 20 May	Scoot
08 May - 11 May	Scoot
08 May - 13 May	Scoot
10 May - 16 May	Scoot
15 May - 20 May	Scoot
12 May - 25 May	Scoot
10 May - 16 May	AirAsia X	direct
15 May - 19 May	Scoot
05 May - 27 May	Scoot
12 May - 20 May	AirAsia X	direct
28 May - 06 Jun	Cebu Pacific
28 May - 02 Jun	Cebu Pacific
28 May - 03 Jun	Vietnam Airlines
27 May - 07 Jun	Vietnam Airlines
22 May - 01 Jun	VietJet Air
27 May - 01 Jun	Vietnam Airlines
26 May - 01 Jun	Vietnam Airlines
26 May - 01 Jun	AirAsia X	direct
28 May - 03 Jun	Korean Air	direct
27 May - 07 Jun	Korean Air	direct

Also check the deals for one-way flights from Kuala Lumpur to Seoul in May.

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 May from $251

Return flights