Cheapest return flights from Toronto to Montreal in September from $210

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

Return flights

02 Sep - 09 Sep Air Canada direct
01 Sep - 10 Sep Air Canada direct
19 Sep - 24 Sep Air Canada direct
08 Sep - 09 Sep Air Canada direct
04 Sep - 05 Sep Air Canada direct
20 Sep - 25 Sep Air Canada direct
28 Sep - 29 Sep Air Canada direct
07 Sep - 11 Sep Air Canada direct
14 Sep - 21 Sep Air Canada direct
19 Sep - 22 Sep Air Canada direct
24 Sep - 01 Oct Porter Airlines (Canada) Ltd direct
26 Sep - 03 Oct Porter Airlines (Canada) Ltd direct
27 Sep - 16 Oct Porter Airlines (Canada) Ltd direct
27 Sep - 05 Oct Porter Airlines (Canada) Ltd direct
27 Sep - 13 Oct Porter Airlines (Canada) Ltd direct
27 Sep - 14 Oct Porter Airlines (Canada) Ltd direct
26 Sep - 16 Oct Porter Airlines (Canada) Ltd direct
26 Sep - 05 Oct Porter Airlines (Canada) Ltd direct
26 Sep - 13 Oct Porter Airlines (Canada) Ltd direct
26 Sep - 14 Oct Porter Airlines (Canada) Ltd direct

Also check the deals for one-way 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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