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

Return flights

04 May - 30 May	Icelandair
07 May - 30 May	Icelandair
02 May - 09 May	Icelandair
01 May - 23 May	Icelandair
05 May - 16 May	Icelandair
01 May - 14 May	Icelandair
07 May - 17 May	Icelandair
10 May - 17 May	Icelandair
14 May - 19 May	Icelandair
21 May - 24 May	Icelandair
26 May - 10 Jun	WestJet
17 May - 01 Jun	WestJet	direct
20 May - 04 Jun	WestJet	direct
26 May - 07 Jun	WestJet
22 May - 04 Jun	WestJet
26 May - 05 Jun	WestJet
19 May - 13 Jun	WestJet
13 May - 06 Jun	WestJet
24 May - 07 Jun	WestJet	direct
18 May - 13 Jun	WestJet	direct

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 $387

Return flights