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

Return flights

04 Sep - 13 Sep	Scoot Tigerair
07 Sep - 07 Oct	Turkish Airlines
09 Sep - 23 Sep	Turkish Airlines
07 Sep - 30 Oct	Turkish Airlines
02 Sep - 16 Oct	Turkish Airlines
19 Sep - 10 Oct	Turkish Airlines
29 Sep - 06 Oct	Virgin Australia
12 Sep - 17 Oct	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 1101€

Return flights