Cheapest return flights from Porto to Montreal in September from 389€

AirHint found the following cheapest return flights from Porto (OPO) to Montreal (YUL) in September 2026 (see full year).

Return flights

09 Sep - 15 Sep Lufthansa
19 Sep - 26 Sep Lufthansa
09 Sep - 15 Sep Air Canada direct
20 Sep - 27 Sep Lufthansa
01 Sep - 02 Oct Lufthansa
01 Sep - 02 Oct Air Canada direct
30 Sep - 04 Oct Brussels Airlines

Also check the deals for one-way flights from Porto to Montreal in September.

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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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