Cheapest return flights from Ontario to Dublin in August from 672€

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

Return flights

31 Aug - 04 Sep Frontier Airlines
31 Aug - 16 Sep United
20 Aug - 27 Aug jetBlue
30 Aug - 16 Sep Iberia
25 Aug - 01 Sep jetBlue
30 Aug - 15 Sep Iberia
16 Aug - 19 Aug jetBlue
25 Aug - 10 Sep Iberia
27 Aug - 12 Sep Iberia
25 Aug - 08 Sep Iberia
30 Aug - 20 Sep Iberia
29 Aug - 15 Sep Iberia
18 Aug - 26 Aug Delta

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

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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