AirHint found the following cheapest return flights from Halifax (YHZ) to Dublin (DUB) in September 2025 (see full year).

Return flights

03 Sep - 17 Sep	WestJet
08 Sep - 20 Sep	WestJet
04 Sep - 08 Sep	WestJet
10 Sep - 18 Sep	WestJet	direct
09 Sep - 18 Sep	WestJet	direct
06 Sep - 20 Sep	WestJet
01 Sep - 08 Sep	WestJet
05 Sep - 20 Sep	WestJet	direct
22 Sep - 06 Oct	WestJet
20 Sep - 06 Oct	WestJet
08 Sep - 17 Sep	WestJet
30 Sep - 07 Oct	WestJet
30 Sep - 14 Oct	WestJet
23 Sep - 14 Oct	WestJet
03 Sep - 13 Sep	WestJet	direct
24 Sep - 15 Oct	WestJet
10 Sep - 12 Oct	WestJet
17 Sep - 01 Oct	WestJet	direct
19 Sep - 09 Oct	WestJet
27 Sep - 04 Oct	WestJet

Also check the deals for one-way flights from Halifax to Dublin in September.

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 Halifax to Dublin in September from $189

Return flights