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

Return flights

22 Oct - 24 Oct	Jetstar	direct
17 Oct - 22 Oct	Jetstar	direct
17 Oct - 24 Oct	Jetstar	direct
15 Oct - 22 Oct	Jetstar	direct
15 Oct - 17 Oct	Jetstar	direct
10 Oct - 17 Oct	Jetstar	direct
01 Oct - 15 Oct	Jetstar	direct
05 Oct - 15 Oct	Jetstar	direct
12 Oct - 19 Oct	Jetstar	direct
01 Oct - 05 Oct	Jetstar	direct
17 Oct - 02 Nov	Jetstar
25 Oct - 01 Nov	Philippine Airlines
28 Oct - 04 Nov	Philippine Airlines
11 Oct - 01 Nov	Hawaiian Airlines	direct
10 Oct - 01 Nov	Jetstar
10 Oct - 01 Nov	Jetstar	direct
25 Oct - 01 Nov	Qantas	direct
17 Oct - 02 Nov	Qantas	direct

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 356€

Return flights