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

Return flights

01 Dec - 01 Jan	Scoot
02 Dec - 09 Dec	Singapore Airlines
31 Dec - 03 Jan	Turkish Airlines
24 Dec - 11 Jan	Turkish Airlines
26 Dec - 10 Jan	Turkish Airlines
14 Dec - 28 Jan	Turkish Airlines
22 Dec - 07 Jan	Turkish Airlines
15 Dec - 28 Jan	Turkish Airlines
01 Dec - 21 Dec	Etihad Airways
10 Dec - 10 Jan	Scoot
21 Dec - 28 Dec	Air China
16 Dec - 03 Jan	Air China
12 Dec - 03 Jan	Air China
10 Dec - 27 Dec	Scoot
18 Dec - 27 Dec	Air China

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

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 Sydney to Vienna in December from 862€

Return flights