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

Return flights

01 Dec - 07 Dec	HK Express
01 Dec - 06 Dec	AirAsia
06 Dec - 08 Dec	HK Express
10 Dec - 17 Dec	HK Express
01 Dec - 15 Jan	Hainan Airlines
04 Dec - 16 Dec	HK Express
31 Dec - 06 Jan	China Airlines
24 Dec - 03 Jan	Air Cambodia
04 Dec - 11 Dec	AirAsia
12 Dec - 23 Dec	HK Express
12 Dec - 19 Dec	HK Express
26 Dec - 05 Jan	China Airlines
04 Dec - 10 Dec	HK Express
04 Dec - 08 Dec	HK Express
18 Dec - 05 Jan	VietJet Air
25 Dec - 03 Jan	Royal Brunei
29 Dec - 05 Jan	China Airlines
27 Dec - 02 Jan	China Airlines
13 Dec - 03 Jan	China Airlines
23 Dec - 02 Jan	China Airlines

Also check the deals for one-way flights from Hong Kong to Singapore 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 Hong Kong to Singapore in December from 192€

Return flights