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

Return flights

19 Sep - 23 Sep	Ryanair
19 Sep - 12 Oct	Condor
04 Sep - 18 Sep	LOT
03 Sep - 04 Sep	Ryanair
07 Sep - 13 Sep	LOT
21 Sep - 25 Sep	Condor
02 Sep - 13 Sep	LOT
07 Sep - 13 Sep	Air Transat	direct
14 Sep - 25 Sep	Air Transat	direct
03 Sep - 04 Sep	Air Transat	direct
21 Sep - 25 Sep	Air Transat	direct

Also check the deals for one-way flights from Zagreb to Toronto 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 Toronto in September from $641

Return flights