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

Return flights

24 Aug - 10 Sep	Ryanair
26 Aug - 02 Sep	Scoot
23 Aug - 04 Sep	AZAL
25 Aug - 07 Sep	Turkish Airlines
31 Aug - 21 Sep	Air Arabia
29 Aug - 13 Sep	Wizz Air Malta
19 Aug - 07 Sep	Turkish Airlines
19 Aug - 26 Aug	Scoot
21 Aug - 07 Sep	Scoot
20 Aug - 27 Aug	Ryanair
30 Aug - 30 Sep	Scoot
28 Aug - 31 Aug	Air China
30 Aug - 03 Sep	Air Arabia
25 Aug - 31 Aug	Turkish Airlines
20 Aug - 24 Aug	Ryanair
18 Aug - 31 Aug	Turkish Airlines
18 Aug - 25 Aug	Wizz Air Malta
24 Aug - 31 Aug	Ryanair
21 Aug - 29 Aug	Scoot
17 Aug - 24 Aug	Air India

Also check the deals for one-way flights from Vienna to Sydney in August.

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 Vienna to Sydney in August from 911€

Return flights