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

Return flights

11 Dec - 17 Jan	Turkish Airlines
05 Dec - 13 Dec	Turkish Airlines
27 Dec - 13 Jan	Air India
13 Dec - 22 Dec	Turkish Airlines
12 Dec - 17 Jan	Turkish Airlines
18 Dec - 10 Jan	ITA Airways
13 Dec - 20 Dec	Turkish Airlines
25 Dec - 15 Jan	Turkish Airlines
12 Dec - 03 Jan	Turkish Airlines
22 Dec - 02 Jan	Turkish Airlines
27 Dec - 03 Jan	Turkish Airlines
18 Dec - 03 Jan	Turkish Airlines
18 Dec - 04 Jan	Turkish Airlines
20 Dec - 27 Dec	Air India
14 Dec - 20 Dec	Air Canada

Also check the deals for one-way flights from Zurich to Sydney 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 Zurich to Sydney in December from $1304

Return flights