Cheapest one-way flights from Porto to Montreal in September from $259

Best time to book flights for Porto (OPO) to Montreal (YUL) flights at AirHint

AirHint found the following cheapest one-way flights from Porto (OPO) to Montreal (YUL) in September 2025 (see full year).

One-Way flights

14 Sep TAP
23 Sep Air Transat direct
10 Sep Air Transat direct
24 Sep Air Transat direct
17 Sep Air Transat direct
12 Sep TAP
13 Sep Azores Airlines
12 Sep Air Transat direct
25 Sep TAP
14 Sep Air Transat direct

Also check the deals for return flights from Porto to Montreal 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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