AirHint found the following cheapest return flights from Hong Kong (HKG) to Singapore (SIN) in December 2026 (see full year).

Return flights

18 Dec - 04 Jan	Scoot	direct
17 Dec - 03 Jan	Scoot	direct
18 Dec - 03 Jan	Scoot	direct
13 Dec - 17 Dec	Royal Brunei
24 Dec - 27 Dec	Royal Brunei
24 Dec - 31 Dec	Royal Brunei
17 Dec - 23 Dec	Royal Brunei
08 Dec - 14 Dec	Scoot	direct
16 Dec - 21 Dec	China Airlines
13 Dec - 17 Dec	Singapore Airlines	direct
23 Dec - 02 Jan	Scoot	direct
17 Dec - 23 Dec	Singapore Airlines	direct
23 Dec - 27 Dec	EVA Air
22 Dec - 11 Jan	EVA Air
27 Dec - 04 Jan	EVA Air
19 Dec - 03 Jan	Scoot	direct
19 Dec - 21 Dec	HK Express
22 Dec - 11 Jan	Singapore Airlines	direct
27 Dec - 04 Jan	Cathay Pacific	direct

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 219€

Return flights