Cheapest return flights from Ontario to Dublin in May from $731

AirHint found the following cheapest return flights from Ontario (ONT) to Dublin (DUB) in May 2026 (see full year).

Return flights

11 May - 29 May Iberia
01 May - 04 May Iberia
24 May - 05 Jun jetBlue
12 May - 11 Jun Air Canada
23 May - 02 Jun Iberia
21 May - 02 Jun jetBlue
21 May - 31 May jetBlue
21 May - 12 Jun Iberia
15 May - 06 Jun Iberia

Also check the deals for one-way flights from Ontario to Dublin 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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