AirHint found the following cheapest return flights from Sydney (SYD) to Singapore (SIN) in September 2026 (see full year).

Return flights

13 Sep - 19 Sep	Scoot	direct
05 Sep - 10 Sep	Scoot	direct
16 Sep - 20 Sep	Scoot	direct
04 Sep - 18 Sep	Scoot	direct
01 Sep - 10 Sep	Scoot	direct
06 Sep - 13 Sep	Scoot	direct
10 Sep - 18 Sep	Scoot	direct
10 Sep - 19 Sep	Scoot	direct
14 Sep - 16 Sep	Scoot	direct
05 Sep - 12 Sep	Scoot	direct
16 Sep - 23 Oct	Scoot	direct
24 Sep - 01 Oct	Scoot	direct
30 Sep - 06 Oct	Scoot	direct
13 Sep - 05 Oct	Scoot	direct
27 Sep - 07 Oct	Scoot	direct
12 Sep - 04 Oct	Scoot	direct
23 Sep - 02 Oct	Scoot	direct
24 Sep - 08 Oct	Scoot	direct
24 Sep - 04 Oct	Scoot	direct
24 Sep - 03 Oct	Scoot	direct

Also check the deals for one-way flights from Sydney to Singapore 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 Sydney to Singapore in September from $323

Return flights