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

Return flights

01 Dec - 30 Dec	Scoot
09 Dec - 27 Dec	Air China
09 Dec - 28 Dec	Air China
23 Dec - 06 Jan	Air China
01 Dec - 20 Dec	Scoot
23 Dec - 19 Jan	Air China
15 Dec - 30 Dec	Scoot
31 Dec - 21 Jan	Turkish Airlines
07 Dec - 28 Dec	Air China
06 Dec - 28 Dec	Air China
17 Dec - 10 Jan	Scoot
01 Dec - 07 Dec	British Airways
11 Dec - 28 Dec	Air China
26 Dec - 04 Jan	Air China
17 Dec - 08 Jan	Scoot
15 Dec - 15 Jan	Virgin Australia
15 Dec - 01 Jan	Scoot
31 Dec - 07 Jan	Turkish Airlines
18 Dec - 22 Dec	Air China
11 Dec - 01 Jan	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 794€

Return flights