AirHint found the following cheapest return flights from Osaka (KIX) to Kota Kinabalu (BKI) in September 2025 (see full year).

Return flights

10 Sep - 17 Sep	T'way Air
25 Sep - 30 Sep	Jeju Air
09 Sep - 16 Sep	Jeju Air
12 Sep - 20 Sep	Jeju Air
16 Sep - 23 Sep	Jeju Air
20 Sep - 24 Sep	Jeju Air
25 Sep - 11 Oct	AirAsia X
09 Sep - 18 Sep	AirAsia X
06 Sep - 18 Sep	AirAsia X
09 Sep - 20 Sep	AirAsia X
06 Sep - 20 Sep	AirAsia X
25 Sep - 06 Oct	AirAsia X
25 Sep - 01 Oct	AirAsia X
25 Sep - 04 Oct	AirAsia X
25 Sep - 02 Oct	AirAsia X
12 Sep - 01 Oct	AirAsia X
10 Sep - 01 Oct	AirAsia X
20 Sep - 11 Oct	AirAsia X
20 Sep - 06 Oct	AirAsia X
16 Sep - 06 Oct	AirAsia X

Also check the deals for one-way flights from Osaka to Kota Kinabalu in September.

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 Osaka to Kota Kinabalu in September from 228€

Return flights