Cheapest return flights from Toronto to Porto in December from $564

AirHint found the following cheapest return flights from Toronto (YYZ) to Porto (OPO) in December 2025 (see full year).

Return flights

01 Dec - 08 Dec Air France
02 Dec - 09 Dec KLM
02 Dec - 06 Dec KLM
09 Dec - 13 Jan Azores Airlines
05 Dec - 13 Dec Air Transat direct
31 Dec - 17 Jan Lufthansa
05 Dec - 12 Jan Azores Airlines
05 Dec - 13 Jan Azores Airlines
09 Dec - 17 Jan Azores Airlines
05 Dec - 17 Jan Air Transat direct
31 Dec - 17 Jan Air Transat direct
05 Dec - 11 Jan Azores Airlines
26 Dec - 13 Jan Azores Airlines
31 Dec - 12 Jan Porter Airlines (Canada) Ltd
10 Dec - 22 Dec Porter Airlines (Canada) Ltd
12 Dec - 23 Dec Porter Airlines (Canada) Ltd
05 Dec - 06 Dec Porter Airlines (Canada) Ltd
12 Dec - 26 Dec Porter Airlines (Canada) Ltd
10 Dec - 17 Dec Air Canada
12 Dec - 20 Dec Porter Airlines (Canada) Ltd

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

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