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

Return flights

09 Sep - 16 Sep	Austrian Airlines
09 Sep - 24 Sep	Turkish Airlines
17 Sep - 15 Oct	Turkish Airlines
19 Sep - 15 Oct	Turkish Airlines
08 Sep - 15 Sep	Etihad Airways
01 Sep - 30 Oct	Etihad Airways
04 Sep - 19 Sep	Turkish Airlines
05 Sep - 19 Sep	Turkish Airlines
09 Sep - 24 Oct	Turkish Airlines
03 Sep - 19 Sep	Turkish Airlines
18 Sep - 16 Oct	Turkish Airlines
03 Sep - 20 Sep	Emirates
02 Sep - 26 Sep	Emirates
03 Sep - 26 Sep	Emirates
19 Sep - 16 Oct	Turkish Airlines
01 Sep - 26 Sep	Emirates
03 Sep - 03 Oct	Turkish Airlines
11 Sep - 09 Oct	Emirates
20 Sep - 11 Oct	Emirates
19 Sep - 10 Oct	Emirates

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 1014€

Return flights