Cheapest return flights from Ontario to Dublin in June from $1262

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

Return flights

30 Jun - 10 Jul Iberia
03 Jun - 21 Jun Iberia
15 Jun - 29 Jun Iberia
04 Jun - 21 Jun Iberia
11 Jun - 18 Jun Iberia
14 Jun - 21 Jun Iberia
03 Jun - 20 Jun Iberia
05 Jun - 20 Jun Iberia
08 Jun - 26 Jun Iberia
09 Jun - 09 Jul Iberia
26 Jun - 10 Jul Iberia
26 Jun - 04 Jul Iberia

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

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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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