Cheapest return flights from Montreal to Toronto in September from 330€

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

07 Sep - 14 Sep WestJet direct
05 Sep - 08 Sep Air Canada direct
07 Sep - 11 Sep Air Canada direct
26 Sep - 05 Oct Air Canada direct
14 Sep - 21 Sep Porter Airlines (Canada) Ltd direct
11 Sep - 18 Sep Porter Airlines (Canada) Ltd direct
28 Sep - 19 Oct WestJet direct
02 Sep - 09 Sep Porter Airlines (Canada) Ltd direct
22 Sep - 29 Sep Porter Airlines (Canada) Ltd direct
27 Sep - 04 Oct Porter Airlines (Canada) Ltd direct
06 Sep - 13 Sep Air Transat direct
08 Sep - 15 Sep Porter Airlines (Canada) Ltd direct
10 Sep - 17 Sep Porter Airlines (Canada) Ltd direct
24 Sep - 01 Oct Porter Airlines (Canada) Ltd direct
26 Sep - 03 Oct Porter Airlines (Canada) Ltd direct
28 Sep - 05 Oct Porter Airlines (Canada) Ltd direct
25 Sep - 02 Oct Porter Airlines (Canada) Ltd direct
29 Sep - 06 Oct Porter Airlines (Canada) Ltd direct
30 Sep - 07 Oct Porter Airlines (Canada) Ltd direct
27 Sep - 06 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.

Book a cheap hotel in Toronto

Cheap car rent in Toronto