Cheapest return flights from Porto to Toronto in May from $434

Best time to book flights for Porto (OPO) to Toronto (YYZ) flights at AirHint

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

Return flights

30 May - 04 Jun Lufthansa
14 May - 04 Jun Air Transat
29 May - 04 Jun Air Transat
31 May - 16 Jun Air Canada
24 May - 28 May Air Canada
16 May - 18 May United
27 May - 01 Jun United
26 May - 10 Jun United
17 May - 23 May United
30 May - 19 Jun SWISS
11 May - 28 May Air Transat
14 May - 21 May Air Transat
29 May - 02 Jun British Airways
28 May - 18 Jun Air Transat
12 May - 25 May Air Transat direct
27 May - 01 Jun Air Transat direct
11 May - 17 May Air Transat
12 May - 19 May Air Transat
15 May - 23 May Air Transat direct
25 May - 29 May Air Transat

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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