Cheapest return flights from Lisbon to Toronto in May from $412

Best time to book flights for Lisbon (LIS) to Toronto (YYZ) flights at AirHint

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

Return flights

07 May - 14 May British Airways
06 May - 20 May Air Canada
21 May - 26 May Air France
28 May - 08 Jun Air Canada
06 May - 20 May Lufthansa direct
28 May - 08 Jun Lufthansa direct
08 May - 13 May SWISS
17 May - 30 May Air Transat
11 May - 18 May Air Transat
17 May - 23 May Air Transat
21 May - 26 May Lufthansa direct
03 May - 10 May Air Transat
30 May - 02 Jun United
30 May - 02 Jun Air Transat direct

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

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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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