AirHint found the following cheapest return flights from Seoul (ICN) to Kota Kinabalu (BKI) in June 2025 (see full year).

Return flights

27 Jun - 29 Jun	AirAsia X
27 Jun - 01 Jul	AirAsia X
28 Jun - 10 Jul	AirAsia X
27 Jun - 10 Jul	AirAsia X
11 Jun - 12 Jun	Jin Air	direct
28 Jun - 14 Jul	AirAsia X
27 Jun - 14 Jul	AirAsia X
30 Jun - 10 Jul	AirAsia X
25 Jun - 10 Jul	AirAsia X
25 Jun - 26 Jun	AirAsia X
12 Jun - 26 Jun	AirAsia X
12 Jun - 26 Jun	Jin Air	direct
30 Jun - 14 Jul	AirAsia X
25 Jun - 14 Jul	AirAsia X
26 Jun - 10 Jul	AirAsia X
19 Jun - 27 Jun	AirAsia
11 Jun - 26 Jun	Jin Air	direct
12 Jun - 16 Jun	AirAsia X
14 Jun - 19 Jun	T'way Air	direct
15 Jun - 26 Jun	AirAsia	direct

Also check the deals for one-way flights from Seoul to Kota Kinabalu in June.

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 June from $135

Return flights