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

Return flights

29 May - 05 Jun	Icelandair
31 May - 13 Jun	Icelandair
26 May - 04 Jun	Icelandair
26 May - 09 Jun	Icelandair
26 May - 01 Jun	Icelandair
26 May - 14 Jun	Icelandair
29 May - 11 Jun	Icelandair
23 May - 06 Jun	Icelandair
24 May - 06 Jun	Icelandair
26 May - 02 Jun	Icelandair
05 May - 14 May	WestJet
05 May - 26 May	WestJet
05 May - 11 May	WestJet
08 May - 18 May	WestJet
05 May - 20 May	WestJet
19 May - 27 May	WestJet
04 May - 11 May	Icelandair
05 May - 19 May	Icelandair
04 May - 19 May	Icelandair
06 May - 19 May	Icelandair

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

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 May from $391

Return flights