Cheapest return flights from Ontario to Dublin in December from $702

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

Return flights

11 Dec - 15 Dec Iberia
28 Dec - 07 Jan Iberia
29 Dec - 24 Jan Iberia
27 Dec - 17 Jan Iberia
27 Dec - 07 Jan Iberia
25 Dec - 28 Dec Iberia
27 Dec - 06 Jan Iberia
25 Dec - 01 Jan Iberia
04 Dec - 20 Dec Finnair
27 Dec - 05 Jan Iberia
22 Dec - 17 Jan Iberia
26 Dec - 29 Dec Iberia
18 Dec - 30 Dec Iberia
26 Dec - 01 Jan Iberia
19 Dec - 31 Dec Iberia
22 Dec - 07 Jan Iberia
19 Dec - 27 Dec Iberia

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

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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