AirHint found the following cheapest return flights from Kota Kinabalu (BKI) to Singapore (SIN) in August 2025 (see full year).

Return flights

19 Aug - 25 Aug	AirAsia
07 Aug - 25 Aug	AirAsia
19 Aug - 01 Sep	AirAsia
19 Aug - 02 Sep	AirAsia
19 Aug - 03 Sep	AirAsia
19 Aug - 09 Sep	AirAsia
19 Aug - 08 Sep	AirAsia
19 Aug - 31 Aug	AirAsia
25 Aug - 25 Aug	AirAsia	direct
19 Aug - 28 Aug	AirAsia
19 Aug - 24 Aug	AirAsia
07 Aug - 24 Aug	AirAsia
07 Aug - 18 Aug	AirAsia
25 Aug - 01 Sep	AirAsia	direct
25 Aug - 14 Sep	AirAsia	direct
25 Aug - 03 Sep	AirAsia	direct
25 Aug - 11 Sep	AirAsia	direct
25 Aug - 13 Sep	AirAsia	direct
09 Aug - 23 Aug	AirAsia
19 Aug - 26 Aug	AirAsia

Also check the deals for one-way flights from Kota Kinabalu to Singapore in August.

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 Kota Kinabalu to Singapore in August from 118€

Return flights