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

Return flights

07 Sep - 21 Sep	Jetstar	direct
07 Sep - 14 Sep	Jetstar	direct
03 Sep - 10 Sep	Jetstar	direct
03 Sep - 07 Sep	Jetstar	direct
05 Sep - 12 Sep	Jetstar	direct
05 Sep - 14 Sep	Jetstar	direct
26 Sep - 07 Oct	Jetstar
24 Sep - 01 Oct	Jetstar	direct
27 Sep - 15 Oct	Fiji Airways
06 Sep - 14 Sep	Philippine Airlines
01 Sep - 15 Sep	ANA
30 Sep - 09 Oct	Philippine Airlines
01 Sep - 15 Sep	Qantas	direct
23 Sep - 29 Sep	Japan Airlines
27 Sep - 15 Oct	Qantas	direct
26 Sep - 07 Oct	Hawaiian Airlines	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 $377

Return flights