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

Return flights

26 Dec - 15 Jan	Air Canada	direct
26 Dec - 16 Jan	Air Canada	direct
24 Dec - 23 Jan	United
14 Dec - 09 Jan	Air Canada	direct
23 Dec - 11 Jan	Air Canada
14 Dec - 08 Jan	Air Canada	direct
14 Dec - 11 Jan	Air Canada	direct
13 Dec - 14 Dec	Air Canada
13 Dec - 15 Dec	Air Canada
15 Dec - 29 Dec	Air Canada
16 Dec - 29 Dec	Air Canada
23 Dec - 30 Dec	Air Canada
12 Dec - 15 Dec	Air Canada
12 Dec - 14 Dec	Air Canada
18 Dec - 12 Jan	Ryanair
15 Dec - 12 Jan	Lufthansa
13 Dec - 27 Dec	Air Canada	direct
15 Dec - 27 Dec	Air Canada
18 Dec - 13 Jan	Air Canada
10 Dec - 30 Dec	Air Canada

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

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 Dublin to Toronto in December from 486€

Return flights