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

Return flights

22 Sep - 28 Oct	Condor
30 Sep - 08 Oct	Air Canada	direct
27 Sep - 29 Oct	Condor
25 Sep - 09 Oct	Air Canada	direct
27 Sep - 15 Oct	SWISS	direct
23 Sep - 07 Oct	British Airways
23 Sep - 30 Sep	Porter Airlines (Canada) Ltd
23 Sep - 02 Oct	Air Canada
29 Sep - 25 Oct	Air Canada
30 Sep - 25 Oct	Condor
20 Sep - 30 Sep	Condor
22 Sep - 30 Sep	Air Transat
21 Sep - 01 Oct	Condor
23 Sep - 30 Sep	Air Canada	direct
21 Sep - 28 Sep	Condor
25 Sep - 29 Sep	Air Canada
19 Sep - 30 Sep	WestJet
18 Sep - 28 Sep	Air Canada
20 Sep - 28 Sep	Air Canada
20 Sep - 24 Sep	Air Transat

Also check the deals for one-way flights from Toronto to Zurich 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 Zurich in September from 538€

Return flights