Cheapest return flights from Montreal to Toronto in September from $240

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

Return flights

16 Sep - 19 Sep WestJet direct
02 Sep - 13 Sep WestJet direct
09 Sep - 16 Sep WestJet direct
02 Sep - 09 Sep WestJet direct
03 Sep - 04 Sep WestJet direct
24 Sep - 24 Sep Porter Airlines (Canada) Ltd direct
24 Sep - 28 Sep Porter Airlines (Canada) Ltd direct
13 Sep - 16 Sep Porter Airlines (Canada) Ltd direct
13 Sep - 18 Sep Porter Airlines (Canada) Ltd direct
13 Sep - 24 Sep Porter Airlines (Canada) Ltd direct
24 Sep - 05 Oct Porter Airlines (Canada) Ltd direct
19 Sep - 09 Oct Porter Airlines (Canada) Ltd direct
19 Sep - 05 Oct Porter Airlines (Canada) Ltd direct
29 Sep - 09 Oct Porter Airlines (Canada) Ltd direct
29 Sep - 05 Oct Porter Airlines (Canada) Ltd direct
24 Sep - 09 Oct Porter Airlines (Canada) Ltd direct
15 Sep - 05 Oct Porter Airlines (Canada) Ltd direct
17 Sep - 05 Oct Porter Airlines (Canada) Ltd direct
18 Sep - 09 Oct Porter Airlines (Canada) Ltd direct
18 Sep - 05 Oct Porter Airlines (Canada) Ltd direct

Also check the deals for one-way 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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