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

Return flights

10 Nov - 19 Nov	Air Canada
10 Nov - 21 Nov	Air Canada
10 Nov - 18 Nov	Air Canada
12 Nov - 26 Nov	Delta
12 Nov - 27 Nov	Delta
12 Nov - 25 Nov	Delta
10 Nov - 20 Nov	Delta
10 Nov - 17 Nov	Air Canada
09 Nov - 16 Nov	Air Canada
08 Nov - 16 Nov	Air Canada

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

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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Cheapest return flights from Ontario to Dublin in November from $472

Return flights