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

Return flights

28 Oct - 04 Nov	Qantas
26 Oct - 10 Nov	Qantas
20 Oct - 09 Nov	VietJet Air
09 Oct - 06 Nov	Turkish Airlines
02 Oct - 11 Nov	AirAsia X
19 Oct - 10 Nov	Etihad Airways
14 Oct - 30 Nov	Etihad Airways
12 Oct - 19 Oct	Qantas
15 Oct - 23 Oct	Qantas
22 Oct - 29 Oct	Turkish Airlines
21 Oct - 29 Oct	Turkish Airlines
13 Oct - 28 Oct	Qatar Airways

Also check the deals for one-way flights from Sydney to Zagreb 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 Sydney to Zagreb in October from 836€

Return flights