Cheapest return flights from Porto to Montreal in September from 365€

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

Return flights

02 Sep - 10 Sep KLM
09 Sep - 21 Sep Lufthansa
16 Sep - 22 Sep Lufthansa
02 Sep - 10 Sep Air Canada direct
16 Sep - 22 Sep Air Canada direct
15 Sep - 21 Sep Lufthansa
02 Sep - 30 Sep Lufthansa
16 Sep - 23 Sep Air Canada
14 Sep - 20 Sep Air Canada direct
07 Sep - 10 Sep Lufthansa

Also check the deals for one-way 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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