AirHint found the following cheapest return flights from Sydney (SYD) to Haikou (HAK) in January 2026 (see full year).

Return flights

24 Jan - 03 Feb	Cathay Pacific
16 Jan - 02 Feb	China Southern
17 Jan - 03 Feb	China Southern
16 Jan - 30 Jan	Cathay Pacific
17 Jan - 31 Jan	Cathay Pacific
12 Jan - 30 Jan	Cathay Pacific
10 Jan - 31 Jan	Cathay Pacific
13 Jan - 31 Jan	Air China
05 Jan - 16 Jan	Cathay Pacific

Also check the deals for one-way flights from Sydney to Haikou in January.

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 January from 638€

Return flights