AirHint found the following cheapest return flights from Honolulu (HNL) to Sydney (SYD) in September 2026 (see full year).
Return flights
| 01 Sep - 29 Sep | Zipair | ||
| 17 Sep - 31 Oct | Fiji Airways | ||
| 02 Sep - 30 Sep | United | ||
| 23 Sep - 30 Sep | United | ||
| 23 Sep - 30 Sep | Qantas | direct | |
| 02 Sep - 30 Sep | Qantas | direct | |
| 17 Sep - 31 Oct | Qantas | direct |
Also check the deals for one-way flights from Honolulu to Sydney in September.
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