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

Return flights

11 Sep - 18 Sep	Ryanair
30 Sep - 02 Oct	Ryanair
24 Sep - 29 Sep	Croatia Airlines	direct
23 Sep - 25 Sep	Ryanair
26 Sep - 03 Oct	Croatia Airlines	direct
25 Sep - 27 Sep	Ryanair
18 Sep - 20 Sep	Ryanair
22 Sep - 26 Sep	Croatia Airlines	direct
26 Sep - 29 Sep	Croatia Airlines	direct
18 Sep - 22 Sep	Ryanair
15 Sep - 18 Sep	Ryanair
16 Sep - 18 Sep	Ryanair
30 Sep - 01 Oct	Ryanair

Also check the deals for one-way flights from Zagreb to Prague 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 Prague in September from $137

Return flights