Cheapest return flights from Ontario to Dublin in October from $716

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

Return flights

07 Oct - 31 Oct British Airways
05 Oct - 14 Oct British Airways
21 Oct - 28 Oct Iberia
04 Oct - 14 Oct Iberia
13 Oct - 20 Oct Iberia
14 Oct - 21 Oct Iberia
06 Oct - 13 Oct Iberia
07 Oct - 14 Oct Iberia
01 Oct - 08 Oct Iberia
02 Oct - 09 Oct Iberia

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

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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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