Cheapest return flights from Montreal to Toronto in September from 273€

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

Return flights

16 Sep - 17 Sep WestJet direct
05 Sep - 12 Sep WestJet direct
02 Sep - 09 Sep WestJet direct
04 Sep - 11 Sep WestJet direct
01 Sep - 17 Sep Porter Airlines (Canada) Ltd direct
01 Sep - 01 Sep Porter Airlines (Canada) Ltd direct
01 Sep - 02 Sep Porter Airlines (Canada) Ltd direct
01 Sep - 03 Sep Porter Airlines (Canada) Ltd direct
01 Sep - 04 Sep Porter Airlines (Canada) Ltd direct
01 Sep - 05 Sep 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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