Cheapest return flights from Porto to Toronto in September from 351€

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

Return flights

23 Sep - 30 Sep Air Canada
09 Sep - 15 Sep Lufthansa
18 Sep - 29 Sep Lufthansa
08 Sep - 15 Sep Lufthansa
09 Sep - 16 Sep Lufthansa
12 Sep - 24 Sep Lufthansa
18 Sep - 28 Sep SWISS
10 Sep - 16 Sep Air Transat
09 Sep - 14 Sep Air Transat
05 Sep - 20 Sep KLM
27 Sep - 01 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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