AirHint found the following cheapest one-way flights from Toronto (YTZ) to Zurich (ZRH) in September 2025 (see full year).

One-Way flights

08 Sep	Porter Airlines (Canada) Ltd
29 Sep	Porter Airlines (Canada) Ltd
07 Sep	Porter Airlines (Canada) Ltd
15 Sep	Porter Airlines (Canada) Ltd
06 Sep	Porter Airlines (Canada) Ltd
13 Sep	Porter Airlines (Canada) Ltd
16 Sep	Porter Airlines (Canada) Ltd
03 Sep	Porter Airlines (Canada) Ltd
05 Sep	Porter Airlines (Canada) Ltd
19 Sep	Air Transat

Also check the deals for return 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 one-way flights from Toronto to Zurich in September from 294€

One-Way flights