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

Return flights

29 Jan - 15 Feb	British Airways
29 Jan - 16 Feb	British Airways
15 Jan - 26 Feb	British Airways
30 Jan - 08 Feb	British Airways
22 Jan - 04 Feb	Qantas
29 Jan - 12 Feb	Qantas
18 Jan - 13 Feb	British Airways
24 Jan - 31 Jan	Qantas
19 Jan - 30 Jan	Turkish Airlines
13 Jan - 31 Jan	Turkish Airlines
17 Jan - 30 Jan	Turkish Airlines
11 Jan - 01 Feb	Turkish Airlines
29 Jan - 07 Feb	Qatar Airways
14 Jan - 20 Jan	Turkish Airlines
28 Jan - 25 Feb	Emirates
17 Jan - 24 Jan	Turkish Airlines
03 Jan - 10 Jan	Sichuan Airlines
22 Jan - 29 Jan	Qantas
12 Jan - 26 Jan	Qantas
14 Jan - 29 Jan	Qantas

Also check the deals for one-way flights from Sydney to Dublin in January.

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 January from $1145

Return flights