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

Return flights

24 Sep - 25 Sep	Air Serbia
29 Sep - 02 Oct	Air Serbia
23 Sep - 07 Oct	Air Serbia
24 Sep - 01 Oct	Air Serbia
23 Sep - 27 Sep	Air Serbia
21 Sep - 25 Sep	Air Serbia
28 Sep - 06 Oct	Air Serbia
22 Sep - 25 Sep	Air Serbia
22 Sep - 01 Oct	KLM
23 Sep - 01 Oct	KLM
21 Sep - 24 Sep	Air Serbia
23 Sep - 24 Sep	Air Serbia
22 Sep - 29 Sep	KLM
24 Sep - 28 Sep	Air Serbia
22 Sep - 27 Sep	Air Serbia
24 Sep - 27 Sep	Air Serbia
28 Sep - 04 Oct	Air Serbia
24 Sep - 14 Oct	Air Serbia
23 Sep - 02 Oct	Austrian Airlines
23 Sep - 03 Oct	Austrian Airlines

Also check the deals for one-way flights from Zurich 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 Zurich to Zagreb in September from $253

Return flights