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

Return flights

22 Dec - 28 Dec	Qantas	direct
11 Dec - 20 Dec	Fiji Airways
17 Dec - 03 Jan	Asiana Airlines
11 Dec - 20 Dec	Hawaiian Airlines	direct
20 Dec - 30 Dec	Hawaiian Airlines	direct
24 Dec - 02 Jan	Qantas	direct
17 Dec - 03 Jan	Qantas	direct

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

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 December from $1467

Return flights