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

Return flights

06 Sep - 15 Oct	Ryanair
17 Sep - 14 Oct	Ryanair
22 Sep - 20 Oct	Wizz Air Malta
11 Sep - 12 Oct	Scoot
22 Sep - 14 Oct	Wizz Air Malta
15 Sep - 20 Oct	Wizz Air Malta
07 Sep - 14 Sep	Ryanair
23 Sep - 14 Oct	Scoot
27 Sep - 21 Oct	Scoot
27 Sep - 25 Oct	Scoot
06 Sep - 13 Sep	Ryanair
06 Sep - 18 Sep	Ryanair
25 Sep - 08 Oct	Scoot
13 Sep - 18 Sep	Ryanair
02 Sep - 09 Sep	Scoot
04 Sep - 18 Sep	Austrian Airlines
09 Sep - 16 Sep	Air China
16 Sep - 23 Sep	Ryanair
07 Sep - 20 Sep	Ryanair
06 Sep - 20 Sep	Ryanair

Also check the deals for one-way flights from Vienna 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.

Book a cheap hotel in Sydney

Cheap car rent in Sydney

Cheapest return flights from Vienna to Sydney in September from 731€

Return flights