AirHint found the following cheapest one-way flights from Hong Kong (HKG) to Sydney (SYD) in December 2025 (see full year).
One-Way flights
| 19 Dec | AirAsia | ||
| 18 Dec | AirAsia | ||
| 20 Dec | AirAsia | ||
| 16 Dec | AirAsia | ||
| 09 Dec | AirAsia | ||
| 08 Dec | AirAsia | ||
| 17 Dec | AirAsia | ||
| 12 Dec | AirAsia | ||
| 07 Dec | VietJet Air | ||
| 11 Dec | Scoot |
Also check the deals for return flights from Hong Kong to Sydney in December.
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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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