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

Return flights

14 Oct - 21 Oct	Jetstar	direct
18 Oct - 21 Oct	Jetstar	direct
18 Oct - 25 Oct	Jetstar	direct
11 Oct - 14 Oct	Jetstar	direct
04 Oct - 14 Oct	Jetstar	direct
04 Oct - 13 Oct	Jetstar	direct
02 Oct - 06 Oct	Jetstar	direct
04 Oct - 07 Oct	Jetstar	direct
17 Oct - 20 Oct	Jetstar
10 Oct - 13 Oct	Jetstar

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

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 October from $243

Return flights