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

Return flights

01 Jul - 10 Jul	AirAsia X
08 Jul - 10 Jul	AirAsia	direct
01 Jul - 14 Jul	AirAsia X
02 Jul - 10 Jul	AirAsia X
03 Jul - 10 Jul	AirAsia X
15 Jul - 23 Jul	AirAsia	direct
04 Jul - 10 Jul	AirAsia X
04 Jul - 06 Jul	AirAsia X
14 Jul - 19 Jul	AirAsia	direct
08 Jul - 14 Jul	AirAsia	direct
31 Jul - 03 Aug	Cebu Pacific
29 Jul - 19 Aug	AirAsia	direct
29 Jul - 01 Aug	AirAsia
20 Jul - 06 Aug	AirAsia X
20 Jul - 07 Aug	AirAsia X
18 Jul - 06 Aug	AirAsia X
18 Jul - 07 Aug	AirAsia X
29 Jul - 03 Aug	AirAsia
15 Jul - 05 Aug	AirAsia	direct
15 Jul - 04 Aug	AirAsia

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

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 July from $161

Return flights