Cheapest one-way flights from Porto to Montreal in August from $314

AirHint found the following cheapest one-way flights from Porto (OPO) to Montreal (YUL) in August 2026 (see full year).

One-Way flights

23 Aug Air Transat direct
28 Aug Air Transat direct
20 Aug TAP
24 Aug TAP
09 Aug Air Transat direct
14 Aug TAP
16 Aug Ryanair
16 Aug Air Transat direct
15 Aug TAP
22 Aug TAP

Also check the deals for return flights from Porto to Montreal in August.

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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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