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

Return flights

13 Aug - 27 Aug	Jetstar	direct
13 Aug - 22 Aug	Jetstar	direct
13 Aug - 20 Aug	Jetstar	direct
10 Aug - 15 Aug	Jetstar	direct
08 Aug - 15 Aug	Jetstar	direct
06 Aug - 15 Aug	Jetstar	direct
22 Aug - 29 Aug	Jetstar	direct
06 Aug - 13 Aug	Jetstar	direct
20 Aug - 31 Aug	Jetstar	direct
03 Aug - 08 Aug	Jetstar	direct

Also check the deals for one-way flights from Honolulu to Sydney in August.

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 August from $291

Return flights