AirHint found the following cheapest return flights from Lisbon (LIS) to Toronto (YYZ) in August 2026 (see full year).

Return flights

30 Aug - 14 Sep	Iberia
02 Aug - 07 Sep	Finnair
21 Aug - 29 Aug	Air Canada	direct
01 Aug - 02 Sep	Iberia
14 Aug - 28 Aug	Iberia
16 Aug - 30 Aug	Iberia
01 Aug - 09 Aug	Iberia
19 Aug - 26 Aug	Air Canada	direct
19 Aug - 29 Aug	Air Canada	direct
18 Aug - 24 Aug	Air Transat
10 Aug - 24 Aug	Air Transat
09 Aug - 15 Aug	Iberia
02 Aug - 16 Aug	Iberia
30 Aug - 14 Sep	TAP	direct
02 Aug - 07 Sep	Air Transat	direct
01 Aug - 02 Sep	Air Canada	direct

Also check the deals for one-way flights from Lisbon to Toronto in August.

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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Cheapest return flights from Lisbon to Toronto in August from 399€

Return flights