AirHint found the following cheapest return flights from Guangzhou (CAN) to Sydney (SYD) in September 2025 (see full year).

Return flights

24 Sep - 09 Oct	VietJet Air
22 Sep - 29 Sep	China Eastern
27 Sep - 11 Oct	VietJet Air
20 Sep - 24 Sep	VietJet Air
27 Sep - 01 Oct	VietJet Air
22 Sep - 28 Sep	VietJet Air
26 Sep - 30 Oct	China Eastern
19 Sep - 26 Sep	VietJet Air
27 Sep - 06 Oct	VietJet Air
23 Sep - 08 Oct	Air China
26 Sep - 06 Oct	China Eastern
29 Sep - 10 Oct	VietJet Air
29 Sep - 03 Oct	VietJet Air
26 Sep - 07 Oct	Spring Airlines
23 Sep - 24 Sep	AirAsia
23 Sep - 25 Sep	AirAsia
20 Sep - 30 Sep	AirAsia
19 Sep - 30 Sep	AirAsia
19 Sep - 24 Sep	AirAsia
22 Sep - 30 Sep	AirAsia

Also check the deals for one-way flights from Guangzhou to Sydney 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 Guangzhou to Sydney in September from $485

Return flights