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

Return flights

12 May - 16 May	AirAsia X
07 May - 12 May	AirAsia X
15 May - 19 May	AirAsia X
10 May - 12 May	AirAsia X
10 May - 14 May	AirAsia X
07 May - 11 May	AirAsia X
08 May - 12 May	AirAsia X
14 May - 18 May	AirAsia X
09 May - 14 May	AirAsia X
08 May - 10 May	AirAsia X
28 May - 01 Jun	Jin Air	direct
29 May - 04 Jun	Jin Air	direct
26 May - 02 Jun	Jin Air	direct
29 May - 01 Jun	Jin Air	direct
25 May - 25 Jun	AirAsia
27 May - 01 Jun	Jeju Air	direct
29 May - 02 Jun	Jin Air	direct
31 May - 06 Jun	AirAsia	direct
31 May - 03 Jun	AirAsia	direct
29 May - 06 Jun	China Southern

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 123€

Return flights