Cheapest return flights from Porto to Montreal in August from $473

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

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

Return flights

27 Aug - 17 Sep Lufthansa
21 Aug - 30 Aug Air Canada direct
21 Aug - 25 Aug Air Canada direct
13 Aug - 03 Sep Air Canada
07 Aug - 16 Aug SWISS
20 Aug - 10 Sep Lufthansa
13 Aug - 23 Aug SWISS
10 Aug - 25 Aug British Airways
10 Aug - 25 Aug Air Transat direct
08 Aug - 17 Aug United
08 Aug - 18 Aug United
15 Aug - 18 Aug British Airways
07 Aug - 16 Aug Air Canada direct

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

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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