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

Return flights

13 Sep - 20 Sep	WestJet
03 Sep - 15 Sep	WestJet	direct
07 Sep - 15 Sep	WestJet	direct
03 Sep - 10 Sep	American Airlines
24 Sep - 01 Oct	WestJet	direct
10 Sep - 17 Sep	WestJet
11 Sep - 18 Sep	WestJet
03 Sep - 17 Sep	WestJet	direct
21 Sep - 27 Sep	WestJet
21 Sep - 28 Sep	WestJet
21 Sep - 29 Sep	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 437€

Return flights