Cheapest one-way flights from Montreal to Toronto in September from $122

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

One-Way flights

29 Sep WestJet direct
21 Sep WestJet direct
03 Sep WestJet direct
01 Sep Porter Airlines (Canada) Ltd direct
02 Sep Porter Airlines (Canada) Ltd direct
06 Sep Porter Airlines (Canada) Ltd direct
07 Sep Porter Airlines (Canada) Ltd direct
08 Sep Porter Airlines (Canada) Ltd direct
10 Sep Porter Airlines (Canada) Ltd direct
12 Sep Porter Airlines (Canada) Ltd direct

Also check the deals for return flights from Montreal to Toronto 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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