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

Return flights

14 Dec - 21 Dec	Jetstar
15 Dec - 22 Dec	Hainan Airlines
03 Dec - 10 Dec	Cathay Pacific
17 Dec - 24 Dec	Hainan Airlines	direct
31 Dec - 06 Jan	Scoot
31 Dec - 07 Jan	China Southern
11 Dec - 18 Dec	Batik Air Malaysia
08 Dec - 30 Dec	Scoot
04 Dec - 11 Dec	China Southern
12 Dec - 19 Dec	Jetstar
31 Dec - 20 Jan	Scoot
24 Dec - 30 Dec	China Southern
17 Dec - 23 Dec	Hong Kong Airlines
26 Dec - 01 Jan	China Southern
27 Dec - 24 Jan	Scoot
20 Dec - 17 Jan	Hainan Airlines
13 Dec - 17 Jan	Scoot
30 Dec - 10 Jan	China Southern
25 Dec - 24 Jan	China Southern
25 Dec - 17 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 $895

Return flights