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

Return flights

29 Sep - 20 Oct	AirAsia X
29 Sep - 14 Oct	AirAsia X
29 Sep - 15 Oct	AirAsia X
29 Sep - 09 Oct	AirAsia X
24 Sep - 05 Oct	Jetstar
23 Sep - 05 Oct	Jetstar
29 Sep - 11 Oct	AirAsia X
29 Sep - 06 Oct	AirAsia X
27 Sep - 14 Oct	AirAsia X
24 Sep - 29 Sep	VietJet Air
26 Sep - 14 Oct	AirAsia X
27 Sep - 29 Sep	AirAsia X
26 Sep - 29 Sep	AirAsia X
24 Sep - 30 Sep	Air China
27 Sep - 30 Sep	AirAsia X
21 Sep - 29 Sep	AirAsia X
21 Sep - 30 Sep	AirAsia X
22 Sep - 29 Sep	AirAsia X
20 Sep - 22 Sep	AirAsia X
19 Sep - 22 Sep	AirAsia X

Also check the deals for one-way flights from Melbourne to Shenzhen 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 Melbourne to Shenzhen in September from $613

Return flights