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

Return flights

08 Oct - 15 Oct	Jetstar	direct
03 Oct - 12 Oct	Jetstar	direct
05 Oct - 15 Oct	Jetstar	direct
22 Oct - 02 Nov	Jetstar
19 Oct - 31 Oct	Jetstar	direct
03 Oct - 11 Oct	Jetstar
16 Oct - 29 Oct	Philippine Airlines
29 Oct - 02 Nov	ANA
16 Oct - 18 Oct	Asiana Airlines
03 Oct - 11 Oct	Qantas	direct
29 Oct - 02 Nov	Qantas	direct
22 Oct - 02 Nov	Qantas	direct
28 Oct - 13 Nov	Qantas

Also check the deals for one-way flights from Honolulu 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 Honolulu to Sydney in October from 414€

Return flights