AirHint found the following cheapest return flights from Xi'an (XIY) to Sydney (SYD) in September 2025 (see full year).

Return flights

01 Sep - 09 Sep	Scoot
04 Sep - 09 Sep	AirAsia X
04 Sep - 17 Sep	AirAsia X
04 Sep - 05 Sep	AirAsia X
11 Sep - 17 Sep	AirAsia X
11 Sep - 26 Sep	AirAsia X
11 Sep - 01 Oct	AirAsia X
11 Sep - 30 Sep	AirAsia X
11 Sep - 25 Sep	AirAsia X
04 Sep - 20 Sep	AirAsia X
11 Sep - 20 Sep	AirAsia X
18 Sep - 03 Oct	AirAsia X
18 Sep - 01 Oct	AirAsia X
18 Sep - 02 Oct	AirAsia X
13 Sep - 01 Oct	AirAsia X
13 Sep - 03 Oct	AirAsia X
13 Sep - 02 Oct	AirAsia X
18 Sep - 04 Oct	AirAsia X
20 Sep - 03 Oct	AirAsia X
20 Sep - 01 Oct	AirAsia X

Also check the deals for one-way flights from Xi'an 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 Xi'an to Sydney in September from 342€

Return flights