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

Return flights

11 Sep - 23 Sep	WestJet	direct
16 Sep - 23 Sep	WestJet	direct
11 Sep - 18 Sep	WestJet	direct
23 Sep - 21 Oct	WestJet	direct
09 Sep - 23 Sep	WestJet	direct
11 Sep - 16 Sep	WestJet	direct
30 Sep - 14 Oct	WestJet
23 Sep - 23 Sep	WestJet
30 Sep - 14 Oct	WestJet	direct
25 Sep - 18 Oct	WestJet
23 Sep - 05 Oct	WestJet
06 Sep - 13 Sep	WestJet
05 Sep - 13 Sep	WestJet
16 Sep - 30 Sep	WestJet
23 Sep - 30 Sep	WestJet
29 Sep - 20 Oct	WestJet
27 Sep - 18 Oct	WestJet
24 Sep - 01 Oct	WestJet
29 Sep - 25 Oct	WestJet
28 Sep - 05 Oct	WestJet

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 264€

Return flights