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

Return flights

03 Sep - 23 Sep	Air Transat
04 Sep - 11 Sep	Porter Airlines (Canada) Ltd
13 Sep - 26 Sep	Air Transat
01 Sep - 19 Sep	Air Transat
23 Sep - 07 Oct	Air Transat
16 Sep - 23 Sep	WestJet
06 Sep - 19 Sep	Air Transat
06 Sep - 26 Sep	Air Transat
26 Sep - 07 Oct	Air Transat
12 Sep - 26 Sep	Air Transat
02 Sep - 06 Oct	Flair Airlines
03 Sep - 24 Sep	Air Transat
10 Sep - 22 Sep	WestJet
24 Sep - 08 Oct	Condor
20 Sep - 03 Oct	Air Transat
04 Sep - 12 Oct	Air France
26 Sep - 10 Oct	Air Transat
25 Sep - 15 Oct	Air Transat
25 Sep - 09 Oct	KLM
06 Sep - 05 Oct	WestJet

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 499€

Return flights