Cheapest return flights from Montreal to Lisbon in August from $502

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

Return flights

24 Aug - 09 Sep Air Transat direct
25 Aug - 08 Sep Air Transat direct
20 Aug - 15 Sep Air Transat direct
24 Aug - 15 Sep Air Transat direct
25 Aug - 15 Sep Air Transat direct
24 Aug - 05 Sep TAP direct
27 Aug - 10 Sep TAP direct
27 Aug - 05 Sep TAP direct
30 Aug - 08 Sep Air Transat direct
31 Aug - 08 Sep Air France
22 Aug - 29 Aug TAP direct
18 Aug - 29 Aug TAP direct
19 Aug - 27 Aug Air Transat direct
19 Aug - 26 Aug Air Transat direct
18 Aug - 26 Aug Air Transat direct
11 Aug - 26 Aug Air Transat
13 Aug - 26 Aug Air Transat
10 Aug - 19 Aug Air Transat
20 Aug - 28 Aug TAP direct
18 Aug - 27 Aug Air Transat direct

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