AirHint found the following cheapest return flights from St. John's (YYT) to Dublin (DUB) in September 2025 (see full year).

Return flights

02 Sep - 09 Sep	WestJet	direct
16 Sep - 30 Sep	WestJet	direct
09 Sep - 23 Sep	WestJet	direct
02 Sep - 16 Sep	WestJet	direct
23 Sep - 14 Oct	WestJet	direct
16 Sep - 07 Oct	WestJet	direct
25 Sep - 30 Sep	WestJet	direct
02 Sep - 30 Sep	WestJet	direct
09 Sep - 16 Sep	WestJet	direct
02 Sep - 23 Sep	WestJet	direct
16 Sep - 23 Sep	WestJet	direct
23 Sep - 07 Oct	WestJet	direct
11 Sep - 23 Sep	WestJet	direct
17 Sep - 07 Oct	WestJet
22 Sep - 14 Oct	WestJet
24 Sep - 14 Oct	WestJet
30 Sep - 21 Oct	WestJet	direct
15 Sep - 07 Oct	WestJet
18 Sep - 07 Oct	WestJet	direct
23 Sep - 16 Oct	WestJet	direct

Also check the deals for one-way flights from St. John's 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 St. John's to Dublin in September from $297

Return flights