Cheapest return flights from Ontario to Dublin in June from 823€

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

Return flights

02 Jun - 09 Jun Iberia
14 Jun - 10 Jul Iberia
22 Jun - 06 Jul KLM
23 Jun - 30 Jun KLM
24 Jun - 28 Jun Iberia
09 Jun - 23 Jun Iberia
03 Jun - 12 Jun Iberia
15 Jun - 06 Jul Iberia
28 Jun - 12 Jul Iberia
26 Jun - 10 Jul Iberia
15 Jun - 27 Jun Iberia
16 Jun - 27 Jun 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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