Cheapest one-way flights from Ontario (ONT) to Porto (OPO), April

8 dates in April 2027, from $ 359. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
18 Apr 2027 Iberia
19 Apr 2027 Iberia
25 Apr 2027 Iberia
20 Apr 2027 Iberia
21 Apr 2027 Iberia
22 Apr 2027 Iberia
23 Apr 2027 Iberia
24 Apr 2027 Iberia
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Deals for return flights from Ontario to Porto in April.

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Updated Oct 12, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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