AirHint found the following cheapest return flights from Singapore (SIN) to Sibu (SBW) in September 2025 (see full year).

Return flights

28 Sep - 05 Oct	Scoot	direct
23 Sep - 30 Sep	Scoot	direct
30 Sep - 05 Oct	Scoot	direct
26 Sep - 08 Oct	AirAsia
26 Sep - 07 Oct	AirAsia
26 Sep - 14 Oct	AirAsia
14 Sep - 19 Sep	Scoot	direct
26 Sep - 10 Oct	AirAsia
26 Sep - 13 Oct	AirAsia
14 Sep - 23 Sep	AirAsia
16 Sep - 23 Sep	AirAsia
15 Sep - 23 Sep	AirAsia
14 Sep - 16 Sep	AirAsia
16 Sep - 16 Sep	AirAsia
14 Sep - 30 Sep	AirAsia
16 Sep - 30 Sep	AirAsia
15 Sep - 16 Sep	AirAsia
26 Sep - 03 Oct	AirAsia
26 Sep - 03 Oct	Scoot	direct
30 Sep - 08 Oct	AirAsia

Also check the deals for one-way flights from Singapore to Sibu 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 Singapore to Sibu in September from $130

Return flights