Cheapest return flights from Hong Kong to Sydney in December from 458€

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

Return flights

30 Dec - 13 Jan Hainan Airlines
30 Dec - 31 Jan Hainan Airlines
30 Dec - 15 Jan Hainan Airlines
31 Dec - 14 Jan Hainan Airlines
30 Dec - 06 Jan HK Express
31 Dec - 09 Jan Cathay Pacific direct
30 Dec - 13 Jan Hong Kong Airlines direct
30 Dec - 15 Jan Hong Kong Airlines direct
30 Dec - 12 Jan Hainan Airlines
31 Dec - 11 Jan Hainan Airlines

Also check the deals for one-way 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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