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

Return flights

09 Dec - 06 Jan	Jetstar
01 Dec - 27 Dec	China Eastern
11 Dec - 17 Jan	Jetstar
02 Dec - 07 Dec	Singapore Airlines
15 Dec - 07 Jan	Jetstar
16 Dec - 06 Jan	Jetstar
18 Dec - 08 Jan	China Airlines
07 Dec - 08 Jan	Batik Air Malaysia
28 Dec - 18 Jan	Emirates
01 Dec - 13 Jan	Qatar Airways
04 Dec - 14 Dec	Qatar Airways
20 Dec - 05 Jan	Cathay Pacific
19 Dec - 08 Jan	Batik Air Malaysia
05 Dec - 15 Dec	Qatar Airways
16 Dec - 28 Dec	China Southern
04 Dec - 26 Dec	Singapore Airlines
08 Dec - 22 Dec	Qatar Airways
23 Dec - 30 Dec	Qantas
05 Dec - 26 Dec	Singapore Airlines
05 Dec - 27 Dec	Qantas

Also check the deals for one-way flights from Brisbane to Dublin in December.

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 December from 1392€

Return flights