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

Return flights

01 Aug - 31 Aug	AirAsia X
04 Aug - 31 Aug	China Eastern
09 Aug - 03 Sep	Air China
06 Aug - 28 Aug	China Eastern
06 Aug - 31 Aug	China Eastern
10 Aug - 17 Sep	Air China
04 Aug - 25 Aug	China Eastern
01 Aug - 01 Sep	China Eastern
09 Aug - 10 Sep	Scoot Tigerair
13 Aug - 03 Sep	Scoot Tigerair
05 Aug - 29 Aug	China Eastern
06 Aug - 16 Aug	China Eastern
02 Aug - 28 Aug	China Eastern
03 Aug - 24 Aug	China Eastern
02 Aug - 04 Sep	Scoot Tigerair
04 Aug - 04 Sep	Scoot Tigerair
04 Aug - 22 Aug	China Eastern
15 Aug - 13 Sep	China Eastern
14 Aug - 05 Sep	Air China
01 Aug - 05 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 $1046

Return flights