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

Return flights

13 Sep - 28 Sep	Ryanair
03 Sep - 17 Sep	Croatia Airlines	direct
25 Sep - 28 Sep	Croatia Airlines	direct
26 Sep - 28 Sep	Ryanair
26 Sep - 28 Sep	Croatia Airlines	direct
13 Sep - 28 Sep	Croatia Airlines	direct
17 Sep - 21 Sep	Croatia Airlines	direct
04 Sep - 07 Sep	Croatia Airlines	direct
16 Sep - 21 Sep	Croatia Airlines	direct
01 Sep - 04 Sep	Ryanair

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 114€

Return flights