AirHint found the following cheapest return flights from Toronto (YTZ) to Porto (OPO) in June 2026 (see full year).

Return flights

12 Jun - 21 Jun	Air Transat
14 Jun - 23 Jun	Air Transat
12 Jun - 19 Jun	Air Transat
16 Jun - 21 Jun	Air Transat
17 Jun - 21 Jun	Air Transat
10 Jun - 17 Jun	Air Transat
05 Jun - 13 Jun	Air Canada
08 Jun - 15 Jun	Air Transat
01 Jun - 15 Jun	Air Transat
27 Jun - 05 Jul	Air Transat
17 Jun - 22 Jun	Air Canada
26 Jun - 01 Jul	Air Transat
28 Jun - 07 Jul	Air Transat
28 Jun - 06 Jul	Air Canada
26 Jun - 17 Jul	Air Transat
18 Jun - 06 Jul	United

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

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 Toronto to Porto in June from $597

Return flights