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

Return flights

25 Jul - 01 Aug	Royal Brunei
25 Jul - 23 Aug	Royal Brunei
31 Jul - 03 Aug	Royal Brunei
24 Jul - 28 Jul	AirAsia
30 Jul - 18 Aug	AirAsia
24 Jul - 27 Jul	Royal Brunei
30 Jul - 17 Aug	AirAsia
30 Jul - 15 Aug	AirAsia
31 Jul - 18 Aug	AirAsia
29 Jul - 18 Aug	AirAsia
30 Jul - 16 Aug	AirAsia
30 Jul - 01 Aug	AirAsia
24 Jul - 29 Jul	Royal Brunei
29 Jul - 29 Jul	AirAsia
30 Jul - 31 Jul	AirAsia
30 Jul - 30 Jul	AirAsia
22 Jul - 28 Jul	AirAsia	direct
24 Jul - 28 Jul	AirAsia	direct
29 Jul - 30 Jul	AirAsia
22 Jul - 27 Jul	AirAsia	direct

Also check the deals for one-way flights from Kota Kinabalu to Singapore 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 Kota Kinabalu to Singapore in July from 165€

Return flights