Cheapest return flights from Dublin to Sydney in September from 851€

Best time to book flights for Dublin (DUB) to Sydney (SYD) flights at AirHint

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

Return flights

16 Sep - 14 Oct Lufthansa
07 Sep - 05 Oct Lufthansa
04 Sep - 08 Oct Lufthansa
05 Sep - 19 Oct Lufthansa
15 Sep - 08 Oct Lufthansa
18 Sep - 09 Oct Lufthansa
17 Sep - 08 Oct Lufthansa
23 Sep - 14 Oct Lufthansa
17 Sep - 15 Oct Lufthansa
15 Sep - 06 Oct Lufthansa
12 Sep - 26 Sep Lufthansa
01 Sep - 22 Sep Lufthansa
02 Sep - 21 Sep Lufthansa
01 Sep - 23 Sep Lufthansa
08 Sep - 24 Sep Lufthansa
01 Sep - 25 Sep Lufthansa
16 Sep - 23 Sep Lufthansa
03 Sep - 24 Sep Lufthansa
10 Sep - 30 Sep Lufthansa
04 Sep - 24 Sep Lufthansa

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

Skyscanner

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.

Book a cheap hotel in Sydney

Cheap car rent in Sydney