AirHint found the following cheapest return flights from Seoul (ICN) to Kota Kinabalu (BKI) in May 2026 (see full year).

Return flights

05 May - 18 May	AirAsia X
05 May - 08 May	AirAsia X
05 May - 16 May	AirAsia X
12 May - 14 May	AirAsia X
14 May - 18 May	AirAsia X
14 May - 16 May	AirAsia X
05 May - 17 May	AirAsia X
14 May - 17 May	AirAsia X
14 May - 31 May	AirAsia X
14 May - 01 Jun	AirAsia X
05 May - 18 May	AirAsia	direct
14 May - 01 Jun	AirAsia	direct
24 May - 01 Jun	AirAsia	direct
16 May - 01 Jun	AirAsia	direct
24 May - 05 Jun	AirAsia	direct
24 May - 11 Jun	AirAsia	direct
24 May - 10 Jun	AirAsia	direct
24 May - 08 Jun	AirAsia	direct
24 May - 09 Jun	AirAsia	direct
18 May - 01 Jun	AirAsia X

Also check the deals for one-way flights from Seoul to Kota Kinabalu 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 Seoul to Kota Kinabalu in May from $157

Return flights