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

Return flights

03 Dec - 20 Dec	Turkish Airlines
02 Dec - 13 Jan	Turkish Airlines
01 Dec - 30 Dec	Emirates
01 Dec - 10 Dec	Emirates
04 Dec - 28 Dec	Turkish Airlines
13 Dec - 30 Dec	Jetstar
01 Dec - 15 Dec	Emirates
06 Dec - 20 Dec	Turkish Airlines
22 Dec - 20 Jan	Thai Airways
05 Dec - 03 Jan	Turkish Airlines
12 Dec - 10 Jan	Xiamen Airlines
05 Dec - 27 Dec	Turkish Airlines
06 Dec - 17 Jan	Turkish Airlines
06 Dec - 10 Jan	Turkish Airlines
01 Dec - 01 Jan	Emirates
12 Dec - 02 Jan	Turkish Airlines
14 Dec - 23 Dec	Turkish Airlines
10 Dec - 10 Jan	Turkish Airlines
18 Dec - 29 Dec	Garuda Indonesia
10 Dec - 16 Jan	Turkish Airlines

Also check the deals for one-way flights from Sydney 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 Sydney to Dublin in December from 1114€

Return flights