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

Return flights

03 Aug - 18 Aug	WestJet
21 Aug - 01 Sep	WestJet
21 Aug - 07 Sep	WestJet
02 Aug - 17 Aug	WestJet
25 Aug - 06 Sep	WestJet
15 Aug - 29 Aug	WestJet
06 Aug - 13 Aug	WestJet
29 Aug - 12 Sep	WestJet
05 Aug - 12 Aug	WestJet
06 Aug - 13 Aug	Air Transat	direct
31 Aug - 08 Sep	Air Transat	direct
23 Aug - 02 Sep	Air Transat
08 Aug - 29 Aug	WestJet
30 Aug - 07 Sep	Air Transat
25 Aug - 09 Sep	Air Transat
09 Aug - 25 Aug	Air Transat	direct
10 Aug - 25 Aug	Air Transat	direct
06 Aug - 11 Aug	Air Transat	direct
28 Aug - 12 Sep	WestJet
25 Aug - 09 Sep	Air Canada	direct

Also check the deals for one-way flights from Toronto to Lisbon 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 Toronto to Lisbon in August from 402€

Return flights