Cheapest return flights from Porto to Toronto in September from $486

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

Return flights

19 Sep - 21 Sep Air Transat
26 Sep - 04 Oct Air Transat
30 Sep - 19 Oct Air Transat
20 Sep - 27 Sep Air Canada
21 Sep - 28 Sep Air Canada
27 Sep - 12 Oct KLM
22 Sep - 29 Sep Ryanair
27 Sep - 05 Oct Ryanair
27 Sep - 29 Sep Ryanair
22 Sep - 29 Sep Air Transat direct
29 Sep - 17 Oct Air Transat direct
27 Sep - 12 Oct Air Transat direct

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

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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