Cheapest return flights from Toronto to Lisbon in August from $524

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

Return flights

31 Aug - 06 Sep Air Transat
25 Aug - 08 Sep Porter Airlines (Canada) Ltd
27 Aug - 10 Sep Air Transat
25 Aug - 03 Sep Air Transat
31 Aug - 11 Sep Air Transat
02 Aug - 17 Sep Porter Airlines (Canada) Ltd
24 Aug - 02 Sep Air Transat
20 Aug - 03 Sep Air Transat
19 Aug - 02 Sep Air Transat
29 Aug - 08 Sep Air Transat
23 Aug - 31 Aug Air Transat
22 Aug - 31 Aug Air Transat
20 Aug - 26 Aug Air Transat
11 Aug - 26 Aug Air Transat
10 Aug - 26 Aug Air Transat
02 Aug - 26 Aug Porter Airlines (Canada) Ltd
10 Aug - 27 Aug Porter Airlines (Canada) Ltd
12 Aug - 20 Aug Air Transat
16 Aug - 23 Aug Air Transat
17 Aug - 23 Aug Air Transat

Also check the deals for one-way flights from Toronto 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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