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

Return flights

17 Dec - 24 Dec	Hainan Airlines
15 Dec - 22 Dec	Hainan Airlines
14 Dec - 21 Dec	Jetstar
11 Dec - 18 Dec	Batik Air Malaysia
12 Dec - 19 Dec	Jetstar
03 Dec - 10 Dec	Cathay Pacific
17 Dec - 24 Dec	Hainan Airlines	direct
31 Dec - 06 Jan	Scoot
31 Dec - 07 Jan	China Southern
08 Dec - 30 Dec	Scoot
04 Dec - 11 Dec	China Southern
31 Dec - 20 Jan	Scoot
29 Dec - 29 Jan	Scoot
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
20 Dec - 31 Jan	Scoot

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 699€

Return flights