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

Return flights

07 Oct - 15 Oct	WestJet
09 Oct - 16 Oct	WestJet
06 Oct - 23 Oct	WestJet
14 Oct - 21 Oct	WestJet
05 Oct - 11 Oct	WestJet
01 Oct - 14 Oct	WestJet
08 Oct - 16 Oct	WestJet
08 Oct - 21 Oct	WestJet
01 Oct - 09 Oct	WestJet
11 Oct - 18 Oct	WestJet
21 Oct - 04 Nov	WestJet
18 Oct - 10 Nov	WestJet
21 Oct - 11 Nov	WestJet
15 Oct - 05 Nov	WestJet
25 Oct - 14 Nov	WestJet
21 Oct - 14 Nov	WestJet
06 Oct - 02 Nov	WestJet
07 Oct - 02 Nov	WestJet
12 Oct - 08 Nov	WestJet
22 Oct - 05 Nov	WestJet

Also check the deals for one-way flights from Calgary to Dublin 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 Calgary to Dublin in October from 364€

Return flights