Cheapest return flights from Montreal to Toronto in September from $162

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

Return flights

17 Sep - 24 Sep WestJet direct
24 Sep - 24 Sep WestJet direct
18 Sep - 18 Sep WestJet direct
20 Sep - 27 Sep WestJet direct
17 Sep - 19 Sep WestJet direct
27 Sep - 27 Sep WestJet direct
18 Sep - 23 Sep WestJet direct
27 Sep - 28 Sep WestJet direct
16 Sep - 18 Sep WestJet direct
17 Sep - 26 Sep WestJet direct
29 Sep - 08 Oct WestJet direct
26 Sep - 01 Oct WestJet direct
28 Sep - 03 Oct WestJet direct
28 Sep - 10 Oct WestJet direct
18 Sep - 11 Oct WestJet direct
26 Sep - 10 Oct WestJet direct
25 Sep - 03 Oct WestJet direct
25 Sep - 04 Oct WestJet direct
26 Sep - 04 Oct WestJet direct
25 Sep - 05 Oct WestJet direct

Also check the deals for one-way flights from Montreal to Toronto 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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