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

Return flights

18 Aug - 24 Aug	Batik Air Malaysia
31 Aug - 07 Sep	AirAsia
06 Aug - 07 Aug	AirAsia
06 Aug - 08 Aug	AirAsia
06 Aug - 09 Aug	AirAsia
06 Aug - 12 Aug	AirAsia
05 Aug - 07 Aug	AirAsia
05 Aug - 08 Aug	AirAsia
05 Aug - 09 Aug	AirAsia
05 Aug - 12 Aug	AirAsia
04 Aug - 07 Aug	AirAsia
27 Aug - 11 Sep	AirAsia
27 Aug - 14 Sep	AirAsia
27 Aug - 08 Sep	AirAsia
20 Aug - 08 Sep	AirAsia
18 Aug - 08 Sep	AirAsia
22 Aug - 11 Sep	AirAsia
27 Aug - 15 Sep	AirAsia
24 Aug - 11 Sep	AirAsia
27 Aug - 07 Sep	AirAsia

Also check the deals for one-way flights from Sandakan 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 Sandakan to Singapore in August from $174

Return flights