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

Return flights

28 Dec - 06 Jan	Cathay Pacific
27 Dec - 04 Jan	Cathay Pacific
10 Dec - 17 Dec	Scoot
28 Dec - 06 Jan	Scoot	direct
25 Dec - 03 Jan	Scoot	direct
10 Dec - 21 Dec	Scoot
12 Dec - 19 Dec	Cathay Pacific
11 Dec - 17 Dec	Cathay Pacific
19 Dec - 03 Jan	Cathay Pacific
15 Dec - 29 Dec	Cathay Pacific
02 Dec - 12 Dec	Cathay Pacific
18 Dec - 25 Dec	Cathay Pacific
02 Dec - 08 Dec	Cathay Pacific
16 Dec - 21 Dec	Cathay Pacific
18 Dec - 27 Dec	Scoot
27 Dec - 03 Jan	Scoot	direct
27 Dec - 04 Jan	Scoot	direct
23 Dec - 03 Jan	China Southern
21 Dec - 03 Jan	China Southern
22 Dec - 03 Jan	China Southern

Also check the deals for one-way flights from Singapore 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 Singapore to Haikou in December from $322

Return flights