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

Return flights

29 Sep - 25 Oct	British Airways
23 Sep - 20 Oct	WestJet
26 Sep - 07 Oct	Condor
26 Sep - 03 Oct	Condor
26 Sep - 09 Oct	Condor
28 Sep - 20 Oct	WestJet
26 Sep - 10 Oct	Condor
21 Sep - 11 Oct	WestJet
26 Sep - 06 Oct	Condor
26 Sep - 20 Oct	Condor
17 Sep - 22 Sep	WestJet
26 Sep - 29 Sep	Condor
26 Sep - 30 Sep	Condor
19 Sep - 22 Sep	WestJet
18 Sep - 22 Sep	WestJet
20 Sep - 22 Sep	Air Transat
26 Sep - 28 Sep	Air Transat
21 Sep - 22 Sep	WestJet
20 Sep - 27 Sep	Air Transat
26 Sep - 27 Sep	Air Transat

Also check the deals for one-way flights from Toronto to Zagreb 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 Toronto to Zagreb in September from 524€

Return flights