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

Return flights

14 Oct - 21 Oct	Finnair
20 Oct - 09 Nov	Turkish Airlines
31 Oct - 28 Nov	Turkish Airlines
01 Oct - 28 Nov	Turkish Airlines
16 Oct - 16 Nov	Turkish Airlines
23 Oct - 31 Oct	Turkish Airlines
17 Oct - 01 Nov	Turkish Airlines
18 Oct - 02 Nov	Turkish Airlines
02 Oct - 16 Oct	Finnair
01 Oct - 31 Oct	Turkish Airlines
20 Oct - 03 Nov	Cathay Pacific
06 Oct - 18 Oct	Finnair
13 Oct - 01 Nov	Air France
04 Oct - 18 Oct	SWISS
03 Oct - 10 Oct	SWISS
06 Oct - 26 Oct	SWISS
11 Oct - 26 Oct	Turkish Airlines
05 Oct - 18 Oct	Thai Airways

Also check the deals for one-way flights from Zurich to Sydney in October.

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 October from $1235

Return flights