Cheapest return flights from Montreal to Lisbon in August from 521€

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

Return flights

31 Aug - 09 Sep Air Transat direct
26 Aug - 09 Sep Porter Airlines (Canada) Ltd direct
25 Aug - 08 Sep Porter Airlines (Canada) Ltd
24 Aug - 09 Sep Air Transat
24 Aug - 08 Sep Porter Airlines (Canada) Ltd
27 Aug - 09 Sep Porter Airlines (Canada) Ltd
26 Aug - 04 Sep Porter Airlines (Canada) Ltd direct
25 Aug - 22 Sep Azores Airlines
25 Aug - 15 Sep Azores Airlines
25 Aug - 04 Sep Azores Airlines
17 Aug - 25 Aug Air Canada
17 Aug - 28 Aug Air Canada
22 Aug - 27 Aug Air Canada
18 Aug - 26 Aug Porter Airlines (Canada) Ltd
26 Aug - 31 Aug Air Transat
24 Aug - 29 Aug Air Canada direct
18 Aug - 25 Aug Azores Airlines
23 Aug - 30 Aug Air Canada
20 Aug - 31 Aug Porter Airlines (Canada) Ltd
17 Aug - 28 Aug TAP direct

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