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

Return flights

11 May - 26 May	WestJet
06 May - 17 May	WestJet
27 May - 03 Jun	WestJet
07 May - 12 May	WestJet
21 May - 26 May	WestJet
14 May - 22 May	WestJet
18 May - 29 May	WestJet
13 May - 19 May	Air Transat	direct
02 May - 12 May	WestJet
13 May - 22 May	WestJet
01 May - 19 May	Air Transat	direct
25 May - 07 Jun	Air Transat	direct
20 May - 07 Jun	Air Transat	direct
27 May - 07 Jun	Air Transat	direct
27 May - 13 Jun	Air Transat	direct
26 May - 02 Jun	WestJet
28 May - 01 Jun	WestJet
29 May - 05 Jun	WestJet
29 May - 03 Jun	WestJet
27 May - 01 Jun	WestJet

Also check the deals for one-way flights from Dublin to Toronto 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 Dublin to Toronto in May from $424

Return flights