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

Return flights

18 Jul - 24 Jul	TAP
17 Jul - 10 Aug	United
17 Jul - 24 Jul	Air Canada
21 Jul - 28 Jul	United
18 Jul - 25 Jul	United
19 Jul - 26 Jul	United
10 Jul - 17 Jul	TAP
09 Jul - 17 Jul	TAP
10 Jul - 14 Jul	Air Canada
14 Jul - 21 Jul	TAP
15 Jul - 18 Jul	TAP
27 Jul - 16 Aug	Air Transat

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

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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Cheapest return flights from Porto to Toronto in July from $565

Return flights