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

Return flights

30 Sep - 02 Oct	Ryanair
25 Sep - 29 Sep	Ryanair
21 Sep - 05 Oct	Ryanair
25 Sep - 02 Oct	Ryanair
18 Sep - 22 Sep	Ryanair
19 Sep - 22 Sep	Ryanair
21 Sep - 23 Sep	Ryanair
23 Sep - 29 Sep	Ryanair
30 Sep - 01 Oct	Ryanair
19 Sep - 24 Sep	Ryanair
22 Sep - 30 Sep	Ryanair
25 Sep - 27 Sep	Ryanair
14 Sep - 17 Sep	Ryanair
25 Sep - 01 Oct	Ryanair
17 Sep - 21 Sep	Ryanair
30 Sep - 05 Oct	Ryanair
30 Sep - 10 Oct	Austrian Airlines
25 Sep - 02 Oct	Croatia Airlines	direct
30 Sep - 01 Oct	Croatia Airlines	direct
30 Sep - 05 Oct	Croatia Airlines	direct

Also check the deals for one-way flights from Zagreb to Copenhagen 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 Zagreb to Copenhagen in September from 132€

Return flights