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

Return flights

03 May - 19 May	WestJet	direct
08 May - 18 May	WestJet	direct
03 May - 26 May	WestJet	direct
05 May - 16 May	WestJet	direct
03 May - 11 May	WestJet	direct
26 May - 09 Jun	WestJet	direct
12 May - 09 Jun	WestJet	direct
20 May - 30 May	WestJet	direct
24 May - 30 May	WestJet	direct
24 May - 01 Jun	WestJet	direct
15 May - 28 May	WestJet	direct
19 May - 26 May	WestJet
23 May - 30 May	WestJet
30 May - 06 Jun	WestJet
25 May - 03 Jun	WestJet
31 May - 05 Jun	WestJet
29 May - 06 Jun	Air Canada
29 May - 20 Jun	Air Canada

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 331€

Return flights