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

Return flights

15 Sep - 23 Sep	Jetstar	direct
16 Sep - 20 Sep	Jetstar	direct
29 Sep - 11 Oct	Jetstar	direct
08 Sep - 09 Sep	Jetstar	direct
18 Sep - 22 Sep	Jetstar	direct
13 Sep - 18 Sep	Jetstar	direct
13 Sep - 20 Sep	Jetstar	direct
13 Sep - 16 Sep	Jetstar	direct
23 Sep - 25 Sep	Jetstar	direct
06 Sep - 09 Sep	Jetstar	direct
06 Sep - 13 Sep	Jetstar	direct

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

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 Hamilton to Sydney in September from $232

Return flights