AirHint found the following cheapest return flights from Porto (OPO) to Toronto (YYZ) in March 2026 (see full year).

Return flights

05 Mar - 19 Mar	Lufthansa
28 Mar - 01 Apr	Air Transat	direct
28 Mar - 03 Apr	Air Transat	direct
04 Mar - 18 Mar	Lufthansa
14 Mar - 25 Mar	Lufthansa
14 Mar - 25 Mar	Air Transat	direct
21 Mar - 25 Mar	United
19 Mar - 03 Apr	Air Canada
19 Mar - 03 Apr	Air Transat	direct
19 Mar - 27 Mar	Air Transat	direct
22 Mar - 26 Mar	British Airways
21 Mar - 25 Mar	Air Transat	direct

Also check the deals for one-way flights from Porto to Toronto in March.

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 Porto to Toronto in March from $409

Return flights