AirHint found the following cheapest return flights from Toronto (YYZ) to Dublin (DUB) in January 2026 (see full year).

Return flights

19 Jan - 26 Jan	Aer Lingus	direct
21 Jan - 28 Jan	Aer Lingus	direct
13 Jan - 20 Jan	Aer Lingus	direct
20 Jan - 27 Jan	Aer Lingus	direct
12 Jan - 26 Jan	Aer Lingus	direct
23 Jan - 25 Jan	Icelandair
23 Jan - 30 Jan	Icelandair
14 Jan - 18 Jan	Icelandair
14 Jan - 25 Jan	Icelandair
19 Jan - 31 Jan	Icelandair
26 Jan - 07 Feb	Icelandair
26 Jan - 07 Feb	Aer Lingus	direct

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

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 Toronto to Dublin in January from 363€

Return flights