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

Return flights

17 Sep - 24 Sep	Ryanair
24 Sep - 28 Sep	Ryanair
16 Sep - 21 Sep	Ryanair
05 Sep - 10 Sep	Ryanair
24 Sep - 26 Sep	Ryanair
18 Sep - 22 Sep	Air Serbia
08 Sep - 11 Sep	Ryanair
28 Sep - 05 Oct	Croatia Airlines	direct
23 Sep - 27 Sep	Ryanair
24 Sep - 28 Sep	Croatia Airlines	direct
17 Sep - 24 Sep	Croatia Airlines	direct
29 Sep - 06 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.

Book a cheap hotel in Skopje

Cheap car rent in Skopje

Cheapest return flights from Zagreb to Skopje in September from 97€

Return flights