Cheapest return flights from Montreal to Lisbon in August from 429€

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

Return flights

25 Aug - 08 Sep Air Transat direct
24 Aug - 08 Sep Porter Airlines (Canada) Ltd
30 Aug - 09 Sep Air Transat direct
30 Aug - 10 Sep Air Transat direct
30 Aug - 08 Sep Air Transat direct
30 Aug - 11 Sep Air Transat
31 Aug - 18 Sep Air France
31 Aug - 11 Sep Delta
27 Aug - 08 Sep Air France
30 Aug - 11 Sep Air Transat direct
22 Aug - 25 Aug TAP direct
18 Aug - 25 Aug TAP direct
17 Aug - 25 Aug TAP direct
20 Aug - 25 Aug TAP direct
18 Aug - 31 Aug Air Transat direct
20 Aug - 31 Aug Air Transat direct
25 Aug - 31 Aug Air Transat direct
10 Aug - 31 Aug Air Transat
17 Aug - 31 Aug Air Transat
21 Aug - 31 Aug Air Transat

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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