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

Return flights

20 Sep - 03 Oct	ITA Airways
10 Sep - 14 Sep	LOT
07 Sep - 12 Sep	LOT
14 Sep - 28 Sep	LOT
13 Sep - 20 Sep	LOT
19 Sep - 26 Sep	LOT
15 Sep - 22 Sep	LOT
19 Sep - 29 Sep	LOT
08 Sep - 24 Sep	LOT
26 Sep - 11 Oct	British Airways
19 Sep - 17 Oct	British Airways
03 Sep - 10 Sep	Icelandair
27 Sep - 11 Oct	KLM
27 Sep - 04 Oct	KLM
13 Sep - 04 Oct	Air France
02 Sep - 16 Sep	United
24 Sep - 04 Oct	United
01 Sep - 10 Oct	Air Canada
19 Sep - 17 Oct	SWISS	direct
27 Sep - 18 Oct	Austrian Airlines

Also check the deals for one-way flights from Zurich 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 Zurich to Toronto in September from $487

Return flights