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

Return flights

16 Sep - 07 Oct	VietJet Air
16 Sep - 28 Sep	Etihad Airways
18 Sep - 23 Oct	Thai Airways
21 Sep - 27 Oct	Turkish Airlines
27 Sep - 16 Oct	Jetstar
28 Sep - 13 Oct	Turkish Airlines
24 Sep - 08 Oct	Emirates
18 Sep - 30 Sep	Emirates
22 Sep - 06 Oct	Emirates
21 Sep - 06 Oct	Emirates
20 Sep - 10 Oct	Emirates
17 Sep - 28 Sep	Qatar Airways
20 Sep - 02 Oct	Emirates
20 Sep - 28 Sep	Qatar Airways

Also check the deals for one-way flights from Sydney to Zagreb in September.

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 September from 1088€

Return flights