Cheapest return flights from Toronto to Lisbon in May from $776

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

Return flights

01 May - 12 May Air Canada
04 May - 21 May Air Canada
12 May - 21 May Air Canada
03 May - 23 May SWISS
10 May - 25 May Air Canada
16 May - 30 May SWISS
06 May - 13 May Air Canada
13 May - 20 May Air Canada
15 May - 30 May SWISS
07 May - 17 May SWISS
21 May - 04 Jun Air Canada

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

Skyscanner

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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