Cheapest return flights from Porto to Toronto in May from $437

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

Return flights

02 May - 25 May Air Transat direct
07 May - 18 May Air Transat direct
11 May - 18 May Air Transat direct
14 May - 18 May Air Transat direct
16 May - 20 May Air Transat
16 May - 22 May Air Transat
14 May - 21 May Air Transat
29 May - 03 Jun Air Transat
30 May - 10 Jun Air Transat
28 May - 10 Jun Air Transat
15 May - 21 May Air Transat
27 May - 09 Jun Air Transat
09 May - 24 May Air Transat direct
25 May - 01 Jun Air Transat direct
30 May - 15 Jun Air Transat direct
30 May - 13 Jun Air Transat
28 May - 13 Jun Air Transat
30 May - 10 Jun Air Transat direct
26 May - 10 Jun Air Transat
26 May - 31 May Air Transat direct

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

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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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