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

Return flights

15 Sep - 22 Sep	Qantas
01 Sep - 22 Sep	Finnair
16 Sep - 08 Oct	Jetstar
24 Sep - 01 Oct	Jetstar
23 Sep - 07 Oct	Jetstar
20 Sep - 11 Oct	Philippine Airlines
04 Sep - 09 Sep	China Airlines
25 Sep - 31 Oct	Qatar Airways
08 Sep - 17 Sep	Qatar Airways
08 Sep - 22 Sep	Qatar Airways
18 Sep - 14 Oct	Qatar Airways
18 Sep - 28 Sep	Qatar Airways
04 Sep - 16 Sep	Qatar Airways
30 Sep - 07 Oct	China Airlines
15 Sep - 29 Sep	Virgin Australia
03 Sep - 12 Sep	Qatar Airways
06 Sep - 20 Sep	Qatar Airways
15 Sep - 03 Oct	Qantas
29 Sep - 10 Oct	Qantas
10 Sep - 08 Oct	Virgin Australia

Also check the deals for one-way flights from Brisbane 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 Brisbane to Dublin in September from 985€

Return flights