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

Return flights

04 Aug - 24 Aug	Scoot Tigerair
19 Aug - 18 Sep	China Eastern
12 Aug - 26 Aug	China Eastern
16 Aug - 18 Sep	Juneyao Airlines
05 Aug - 20 Aug	Air China
10 Aug - 21 Aug	China Southern
09 Aug - 22 Aug	China Southern
27 Aug - 10 Sep	China Southern
05 Aug - 19 Aug	China Eastern
28 Aug - 11 Sep	China Southern
01 Aug - 22 Aug	Scoot Tigerair
10 Aug - 14 Aug	China Southern
19 Aug - 02 Sep	China Eastern
25 Aug - 18 Sep	Etihad Airways
04 Aug - 14 Aug	China Eastern
05 Aug - 12 Aug	China Eastern
19 Aug - 19 Sep	China Eastern
25 Aug - 11 Sep	Etihad Airways
18 Aug - 18 Sep	China Eastern
18 Aug - 17 Sep	China Eastern

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

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 August from 900€

Return flights