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

Return flights

02 Oct - 07 Oct	WestJet	direct
18 Oct - 22 Oct	WestJet
13 Oct - 22 Oct	WestJet
16 Oct - 22 Oct	WestJet
11 Oct - 22 Oct	WestJet
28 Oct - 27 Nov	WestJet
28 Oct - 28 Nov	WestJet
18 Oct - 23 Oct	WestJet
14 Oct - 21 Oct	WestJet
13 Oct - 21 Oct	WestJet
11 Oct - 21 Oct	WestJet
07 Oct - 21 Oct	WestJet
20 Oct - 15 Nov	WestJet
16 Oct - 08 Nov	WestJet
14 Oct - 08 Nov	WestJet
18 Oct - 08 Nov	WestJet
13 Oct - 08 Nov	WestJet
28 Oct - 22 Nov	WestJet
27 Oct - 22 Nov	WestJet
25 Oct - 03 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 300€

Return flights