AirHint found the following cheapest return flights from Porto (OPO) to Toronto (YYZ) in December 2026 (see full year).
Return flights
| 12 Dec - 16 Dec | Lufthansa | ||
| 12 Dec - 16 Dec | Air Transat | direct | |
| 24 Dec - 25 Dec | Air Transat | direct | |
| 08 Dec - 12 Dec | Air Canada | ||
| 16 Dec - 23 Dec | Lufthansa |
Also check the deals for one-way flights from Porto to Toronto in December.
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