Cheapest one-way flights from Toronto to Montreal in September from $117

AirHint found the following cheapest one-way flights from Toronto (YYZ) to Montreal (YUL) in September 2026 (see full year).

One-Way flights

23 Sep WestJet direct
22 Sep WestJet direct
26 Sep WestJet direct
07 Sep Air Canada direct
21 Sep Porter Airlines (Canada) Ltd direct
03 Sep Porter Airlines (Canada) Ltd direct
05 Sep Porter Airlines (Canada) Ltd direct
11 Sep Porter Airlines (Canada) Ltd direct
13 Sep Porter Airlines (Canada) Ltd direct
15 Sep Porter Airlines (Canada) Ltd direct

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

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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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