AirHint found the following cheapest return flights from Dublin (DUB) to Calgary (YYC) in December 2025 (see full year).

Return flights

14 Dec - 30 Dec	Transavia France
09 Dec - 11 Jan	Aer Lingus
14 Dec - 31 Dec	Transavia France
01 Dec - 17 Jan	Ryanair
01 Dec - 07 Dec	Ryanair
12 Dec - 27 Dec	Ryanair
15 Dec - 30 Dec	Ryanair
15 Dec - 31 Dec	Ryanair
27 Dec - 17 Jan	Ryanair
13 Dec - 30 Dec	Ryanair
03 Dec - 06 Dec	Ryanair
26 Dec - 07 Jan	Transavia France
16 Dec - 30 Dec	Aer Lingus
12 Dec - 14 Dec	Aer Lingus
10 Dec - 12 Jan	Lufthansa
15 Dec - 05 Jan	Ryanair
16 Dec - 01 Jan	Aer Lingus
16 Dec - 07 Jan	Icelandair
24 Dec - 01 Jan	Air Canada
22 Dec - 22 Jan	Ryanair

Also check the deals for one-way flights from Dublin to Calgary in December.

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 December from 435€

Return flights