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

Return flights

24 Oct - 31 Oct	Air Canada
24 Oct - 02 Nov	Lufthansa
31 Oct - 13 Nov	Air Canada
24 Oct - 28 Oct	Air Canada
29 Oct - 08 Nov	Air Canada
22 Oct - 26 Oct	Air Canada
21 Oct - 25 Oct	WestJet	direct
22 Oct - 29 Oct	Air Canada
21 Oct - 30 Oct	WestJet
20 Oct - 03 Nov	Air Canada
21 Oct - 29 Oct	WestJet
20 Oct - 27 Oct	United
23 Oct - 30 Oct	Air Canada
20 Oct - 02 Nov	Lufthansa
20 Oct - 24 Oct	Austrian Airlines
26 Oct - 09 Nov	British Airways
26 Oct - 02 Nov	Lufthansa
26 Oct - 06 Nov	British Airways
24 Oct - 01 Nov	United
25 Oct - 01 Nov	Aer Lingus

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

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 October from $667

Return flights