Cheapest return flights from Montreal to Toronto in September from $198

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

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

Return flights

02 Sep - 09 Sep WestJet direct
02 Sep - 07 Sep WestJet direct
01 Sep - 08 Sep WestJet direct
05 Sep - 08 Sep WestJet direct
18 Sep - 21 Sep WestJet direct
03 Sep - 10 Sep WestJet direct
05 Sep - 12 Sep WestJet direct
13 Sep - 20 Sep WestJet direct
14 Sep - 21 Sep WestJet direct
17 Sep - 24 Sep WestJet direct
25 Sep - 02 Oct WestJet direct
24 Sep - 01 Oct WestJet direct
26 Sep - 03 Oct WestJet direct
28 Sep - 05 Oct WestJet direct
29 Sep - 06 Oct WestJet direct
30 Sep - 07 Oct WestJet direct
27 Sep - 04 Oct WestJet direct
12 Sep - 02 Oct Porter Airlines (Canada) Ltd direct
12 Sep - 01 Oct Porter Airlines (Canada) Ltd direct
12 Sep - 03 Oct Porter Airlines (Canada) Ltd 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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