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

Return flights

30 Dec - 27 Jan	Air China
13 Dec - 27 Dec	China Southern
06 Dec - 17 Jan	Scoot
22 Dec - 05 Jan	China Southern
23 Dec - 06 Jan	China Southern
20 Dec - 27 Jan	Scoot
20 Dec - 08 Jan	China Southern
20 Dec - 10 Jan	Scoot
20 Dec - 09 Jan	China Southern

Also check the deals for one-way flights from Sydney to Haikou 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 Sydney to Haikou in December from 902€

Return flights