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

Return flights

24 Sep - 17 Oct	Jetstar	direct
26 Sep - 15 Oct	Jetstar	direct
12 Sep - 14 Sep	Jetstar	direct
14 Sep - 21 Sep	Jetstar	direct
14 Sep - 12 Oct	Jetstar	direct
26 Sep - 03 Oct	Jetstar	direct
07 Sep - 14 Sep	Zipair
17 Sep - 26 Sep	Jetstar	direct
07 Sep - 14 Sep	Jetstar	direct
03 Sep - 07 Sep	Jetstar	direct
07 Sep - 21 Sep	Jetstar	direct
05 Sep - 14 Sep	Jetstar	direct
15 Sep - 19 Sep	Asiana Airlines
05 Sep - 12 Sep	Jetstar	direct
24 Sep - 02 Oct	Jetstar
23 Sep - 01 Oct	Zipair
30 Sep - 04 Oct	Philippine Airlines
29 Sep - 05 Oct	ANA
29 Sep - 05 Oct	Qantas	direct

Also check the deals for one-way flights from Honolulu 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 Honolulu to Sydney in September from 332€

Return flights