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

Return flights

05 May - 18 May	Air Transat
28 May - 07 Jun	Air Transat
26 May - 09 Jun	Air Transat
07 May - 24 May	Air Transat
07 May - 20 May	Air Transat
09 May - 18 May	Air Transat
02 May - 31 May	Flair Airlines
04 May - 26 May	WestJet
18 May - 27 May	WestJet
02 May - 11 May	Flair Airlines
19 May - 29 May	WestJet
02 May - 08 May	WestJet

Also check the deals for one-way flights from Calgary 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 Calgary to Dublin in May from 410€

Return flights