Cheapest return flights from Ontario to Dublin in June from $838

Best time to book flights for Ontario (ONT) to Dublin (DUB) flights at AirHint

AirHint found the following cheapest return flights from Ontario (ONT) to Dublin (DUB) in June 2025 (see full year).

Return flights

04 Jun - 10 Jun Iberia
16 Jun - 24 Jun Iberia
03 Jun - 11 Jun jetBlue
04 Jun - 09 Jun Iberia
01 Jun - 13 Jun Iberia
05 Jun - 09 Jun Iberia
01 Jun - 15 Jun Iberia
18 Jun - 27 Jun Iberia
18 Jun - 26 Jun Iberia
12 Jun - 26 Jun Iberia
23 Jun - 21 Jul Iberia
23 Jun - 28 Jul Iberia
22 Jun - 02 Jul Iberia
26 Jun - 03 Jul Iberia

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

Skyscanner

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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