Cheapest return flights from Toronto to Porto in September from 491€

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

Return flights

21 Sep - 28 Sep Air Transat
24 Sep - 28 Sep Air Transat
26 Sep - 30 Sep Air Transat
24 Sep - 30 Sep Air Transat
21 Sep - 30 Sep Air Transat
29 Sep - 04 Oct Porter Airlines (Canada) Ltd
17 Sep - 23 Sep Air Transat
22 Sep - 09 Oct Azores Airlines
29 Sep - 06 Oct Porter Airlines (Canada) Ltd
30 Sep - 09 Oct WestJet
28 Sep - 05 Oct Air Transat
25 Sep - 04 Oct Air Transat
22 Sep - 29 Sep KLM
26 Sep - 04 Oct Air Transat
17 Sep - 11 Oct Azores Airlines
28 Sep - 06 Oct Condor
23 Sep - 29 Sep Porter Airlines (Canada) Ltd
21 Sep - 25 Sep Air Transat
18 Sep - 11 Oct Air Transat
20 Sep - 28 Sep Air Transat

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

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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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