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

Return flights

01 Dec - 31 Jan	Pegasus Airlines
01 Dec - 01 Jan	Pegasus Airlines
10 Dec - 17 Dec	Pegasus Airlines
11 Dec - 12 Jan	Turkish Airlines
11 Dec - 15 Jan	Turkish Airlines
12 Dec - 22 Dec	Turkish Airlines
27 Dec - 12 Jan	Turkish Airlines
01 Dec - 10 Dec	British Airways
18 Dec - 10 Jan	SWISS
27 Dec - 03 Jan	Air India
15 Dec - 08 Jan	Turkish Airlines
12 Dec - 08 Jan	Turkish Airlines
25 Dec - 11 Jan	Turkish Airlines
19 Dec - 26 Dec	SWISS
24 Dec - 31 Dec	Qatar Airways
12 Dec - 26 Dec	Qatar Airways
13 Dec - 20 Dec	Qatar Airways
05 Dec - 20 Dec	Emirates
20 Dec - 27 Dec	Qatar Airways
10 Dec - 19 Dec	ANA

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 $941

Return flights