Cheapest return flights from Montreal to Porto in August from $552

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

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

Return flights

14 Aug - 31 Aug Azores Airlines
14 Aug - 04 Sep Azores Airlines
25 Aug - 01 Sep Azores Airlines
26 Aug - 02 Sep Azores Airlines
30 Aug - 06 Sep Azores Airlines
28 Aug - 04 Sep Azores Airlines
16 Aug - 03 Sep Azores Airlines
21 Aug - 28 Aug Porter Airlines (Canada) Ltd
22 Aug - 29 Aug Porter Airlines (Canada) Ltd
05 Aug - 12 Aug Porter Airlines (Canada) Ltd direct
19 Aug - 26 Aug Porter Airlines (Canada) Ltd direct
14 Aug - 28 Aug Porter Airlines (Canada) Ltd
27 Aug - 03 Sep Porter Airlines (Canada) Ltd
18 Aug - 28 Aug Air Transat
20 Aug - 27 Aug Air Transat
14 Aug - 31 Aug Air Transat direct
16 Aug - 03 Sep Air Transat direct
24 Aug - 31 Aug Air Transat
30 Aug - 12 Sep Azores Airlines
29 Aug - 05 Sep Porter Airlines (Canada) Ltd

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