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

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

Return flights

23 Sep - 28 Sep WestJet direct
29 Sep - 03 Oct WestJet direct
10 Sep - 27 Sep WestJet direct
23 Sep - 03 Oct Porter Airlines (Canada) Ltd direct
23 Sep - 24 Sep Porter Airlines (Canada) Ltd direct
23 Sep - 26 Sep Porter Airlines (Canada) Ltd direct
23 Sep - 30 Sep Porter Airlines (Canada) Ltd direct
23 Sep - 23 Sep Porter Airlines (Canada) Ltd direct
23 Sep - 25 Sep Porter Airlines (Canada) Ltd direct
23 Sep - 27 Sep Porter Airlines (Canada) Ltd direct
23 Sep - 29 Sep Porter Airlines (Canada) Ltd direct
23 Sep - 02 Oct Porter Airlines (Canada) Ltd direct
23 Sep - 04 Oct Porter Airlines (Canada) Ltd direct
23 Sep - 06 Oct Porter Airlines (Canada) Ltd direct
23 Sep - 08 Oct Porter Airlines (Canada) Ltd direct
23 Sep - 10 Oct Porter Airlines (Canada) Ltd direct
23 Sep - 12 Oct Porter Airlines (Canada) Ltd direct
23 Sep - 14 Oct Porter Airlines (Canada) Ltd direct
23 Sep - 01 Oct Porter Airlines (Canada) Ltd direct
01 Sep - 02 Sep Porter Airlines (Canada) Ltd direct

Also check the deals for one-way 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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