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

Return flights

17 Mar - 07 Apr	TAP
18 Mar - 08 Apr	TAP
25 Mar - 17 Apr	TAP
24 Mar - 20 Apr	TAP
17 Mar - 26 Mar	Air Transat
18 Mar - 26 Mar	TAP
03 Mar - 10 Mar	British Airways
06 Mar - 28 Mar	Air Transat	direct
06 Mar - 19 Mar	Air Transat	direct
06 Mar - 14 Mar	Air Transat	direct
02 Mar - 07 Mar	Air France
02 Mar - 14 Mar	Air France
02 Mar - 09 Mar	Air France
04 Mar - 11 Mar	Air France
09 Mar - 02 Apr	Air France
27 Mar - 02 Apr	Air France
27 Mar - 02 Apr	Air Transat	direct
31 Mar - 21 Apr	British Airways
30 Mar - 09 Apr	TAP
28 Mar - 04 Apr	TAP

Also check the deals for one-way flights from Toronto to Porto 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 Toronto to Porto in March from 428€

Return flights