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

Return flights

01 May - 16 May	WestJet	direct
01 May - 09 May	WestJet	direct
05 May - 16 May	WestJet	direct
03 May - 19 May	WestJet	direct
08 May - 18 May	WestJet
01 May - 10 May	WestJet
01 May - 29 May	WestJet
22 May - 04 Jun	WestJet	direct
26 May - 09 Jun	WestJet
12 May - 19 May	WestJet
22 May - 03 Jun	WestJet
26 May - 15 Jun	WestJet
23 May - 04 Jun	WestJet
21 May - 04 Jun	WestJet
01 May - 01 May	WestJet
21 May - 03 Jun	WestJet
23 May - 03 Jun	WestJet
10 May - 17 May	WestJet

Also check the deals for one-way flights from Dublin to Calgary 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 Calgary in May from $413

Return flights