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

Return flights

15 Sep - 18 Oct	China Eastern
08 Sep - 15 Sep	Thai Lion Air
07 Sep - 13 Sep	Thai Lion Air
22 Sep - 25 Sep	AirAsia
22 Sep - 26 Sep	AirAsia
13 Sep - 03 Oct	Thai AirAsia
13 Sep - 04 Oct	Thai AirAsia
08 Sep - 25 Sep	AirAsia
08 Sep - 26 Sep	AirAsia
24 Sep - 26 Sep	AirAsia
10 Sep - 25 Sep	AirAsia
10 Sep - 26 Sep	AirAsia
22 Sep - 24 Sep	AirAsia
22 Sep - 03 Oct	AirAsia
24 Sep - 14 Oct	AirAsia
24 Sep - 03 Oct	AirAsia
22 Sep - 02 Oct	AirAsia
15 Sep - 03 Oct	AirAsia
26 Sep - 11 Oct	Shenzhen Airlines
13 Sep - 02 Oct	AirAsia

Also check the deals for one-way flights from Shenzhen 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 Shenzhen to Sydney in September from $477

Return flights