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

Return flights

01 Oct - 08 Oct	Icelandair
06 Oct - 10 Oct	Icelandair
23 Oct - 31 Oct	Icelandair
31 Oct - 10 Nov	Icelandair
31 Oct - 08 Nov	Icelandair
16 Oct - 08 Nov	Icelandair
31 Oct - 22 Nov	Icelandair
13 Oct - 08 Nov	Icelandair
30 Oct - 22 Nov	Icelandair
19 Oct - 29 Oct	TAP
31 Oct - 04 Nov	Icelandair
30 Oct - 04 Nov	Icelandair
31 Oct - 05 Nov	Icelandair
22 Oct - 05 Nov	TAP
04 Oct - 09 Oct	Icelandair
03 Oct - 09 Oct	Icelandair
14 Oct - 22 Oct	TAP
19 Oct - 31 Oct	Icelandair
17 Oct - 31 Oct	Icelandair
16 Oct - 22 Oct	Icelandair

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

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 October from 344€

Return flights