Cheapest one-way flights from Toronto to Montreal in September from $100

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

One-Way flights

02 Sep Porter Airlines (Canada) Ltd direct
20 Sep Porter Airlines (Canada) Ltd direct
17 Sep Porter Airlines (Canada) Ltd direct
05 Sep Porter Airlines (Canada) Ltd direct
26 Sep Porter Airlines (Canada) Ltd direct
06 Sep Porter Airlines (Canada) Ltd direct
16 Sep Porter Airlines (Canada) Ltd direct
23 Sep Porter Airlines (Canada) Ltd direct
04 Sep Porter Airlines (Canada) Ltd direct
11 Sep Porter Airlines (Canada) Ltd direct

Also check the deals for return flights from Toronto to Montreal in September.

Skyscanner

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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