AirHint found the following cheapest return flights from Sydney (SYD) to Dublin (DUB) in December 2026 (see full year).

Return flights

01 Dec - 08 Dec	Turkish Airlines
03 Dec - 17 Dec	Turkish Airlines
01 Dec - 20 Dec	Turkish Airlines
08 Dec - 29 Dec	Lufthansa
08 Dec - 27 Dec	VietJet Air
08 Dec - 22 Dec	SWISS
01 Dec - 31 Dec	Asiana Airlines
02 Dec - 29 Dec	Qatar Airways
01 Dec - 05 Jan	Qatar Airways
03 Dec - 10 Dec	Scoot
03 Dec - 27 Dec	Scoot
28 Dec - 04 Jan	Qatar Airways
27 Dec - 03 Jan	Qatar Airways
10 Dec - 03 Jan	Emirates
26 Dec - 04 Jan	Qatar Airways
14 Dec - 05 Jan	Emirates
17 Dec - 07 Jan	Emirates
21 Dec - 05 Jan	Emirates
16 Dec - 04 Jan	Emirates
18 Dec - 05 Jan	Emirates

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 $1008

Return flights