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

Return flights

23 Jun - 27 Jun	Delta
23 Jun - 29 Jun	Delta
24 Jun - 04 Jul	Delta
23 Jun - 30 Jun	KLM
17 Jun - 23 Jun	WestJet
17 Jun - 20 Jun	WestJet
17 Jun - 24 Jun	WestJet
21 Jun - 28 Jun	Air Canada
24 Jun - 01 Jul	Delta
19 Jun - 26 Jun	Air Transat
19 Jun - 26 Jun	Air Transat	direct
17 Jun - 25 Jun	WestJet
17 Jun - 02 Jul	Air Transat
21 Jun - 01 Jul	Air Transat
25 Jun - 02 Jul	Air France
26 Jun - 02 Jul	Air Transat
18 Jun - 02 Jul	Air Transat
28 Jun - 08 Jul	Air Transat
25 Jun - 05 Jul	WestJet
29 Jun - 03 Jul	Air Transat

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

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 June from 553€

Return flights