AirHint found the following cheapest return flights from Kota Kinabalu (BKI) to Singapore (SIN) in May 2026 (see full year).

Return flights

05 May - 14 May	AirAsia	direct
05 May - 07 May	AirAsia	direct
11 May - 14 May	AirAsia	direct
05 May - 22 May	AirAsia	direct
04 May - 14 May	AirAsia	direct
04 May - 07 May	AirAsia	direct
11 May - 22 May	AirAsia	direct
25 May - 12 Jun	AirAsia	direct
17 May - 22 May	AirAsia	direct
04 May - 22 May	AirAsia	direct

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

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 May from $151

Return flights