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

Return flights

24 Sep - 28 Sep	Ryanair
23 Sep - 28 Sep	Ryanair
30 Sep - 02 Oct	Ryanair
23 Sep - 25 Sep	Ryanair
24 Sep - 25 Sep	Ryanair
24 Sep - 27 Oct	Ryanair
23 Sep - 30 Sep	Ryanair
24 Sep - 26 Sep	Ryanair
27 Sep - 28 Sep	Ryanair
29 Sep - 02 Oct	Ryanair
30 Sep - 05 Oct	Ryanair
23 Sep - 26 Sep	Ryanair
29 Sep - 01 Oct	Ryanair
23 Sep - 24 Sep	Ryanair
26 Sep - 30 Sep	Air Serbia
27 Sep - 04 Oct	Air Serbia
28 Sep - 03 Oct	Air Serbia
26 Sep - 03 Oct	Air Serbia
24 Sep - 01 Oct	Ryanair
29 Sep - 05 Oct	Croatia Airlines	direct

Also check the deals for one-way flights from Zagreb to Skopje 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 Skopje in September from $178

Return flights