Cheapest return flights from Toronto to Montreal in September from $362

Best time to book flights for Toronto (YYZ) to Montreal (YUL) flights at AirHint

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

Return flights

01 Sep - 10 Sep Air Canada direct
08 Sep - 10 Sep Porter Airlines (Canada) Ltd direct
02 Sep - 10 Sep Porter Airlines (Canada) Ltd direct
03 Sep - 10 Sep Porter Airlines (Canada) Ltd direct
04 Sep - 10 Sep Porter Airlines (Canada) Ltd direct
05 Sep - 10 Sep Porter Airlines (Canada) Ltd direct
06 Sep - 10 Sep Porter Airlines (Canada) Ltd direct
09 Sep - 10 Sep Porter Airlines (Canada) Ltd direct
01 Sep - 02 Sep Porter Airlines (Canada) Ltd direct
01 Sep - 03 Sep Porter Airlines (Canada) Ltd direct
25 Sep - 16 Oct Porter Airlines (Canada) Ltd direct
26 Sep - 16 Oct Porter Airlines (Canada) Ltd direct
27 Sep - 16 Oct Porter Airlines (Canada) Ltd direct
28 Sep - 16 Oct Porter Airlines (Canada) Ltd direct
29 Sep - 16 Oct Porter Airlines (Canada) Ltd direct
30 Sep - 16 Oct Porter Airlines (Canada) Ltd direct
11 Sep - 01 Oct Porter Airlines (Canada) Ltd direct
11 Sep - 02 Oct Porter Airlines (Canada) Ltd direct
15 Sep - 01 Oct Porter Airlines (Canada) Ltd direct
15 Sep - 02 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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