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

Return flights

12 Dec - 16 Dec	Scoot
12 Dec - 16 Dec	Scoot	direct
02 Dec - 07 Dec	Scoot	direct
01 Dec - 03 Dec	Thai AirAsia
01 Dec - 10 Dec	Thai AirAsia
01 Dec - 04 Dec	Thai AirAsia
01 Dec - 07 Dec	Thai AirAsia
05 Dec - 10 Dec	AirAsia X
01 Dec - 14 Dec	Thai AirAsia
05 Dec - 07 Dec	AirAsia X
17 Dec - 01 Jan	Thai AirAsia
24 Dec - 01 Jan	Thai AirAsia
15 Dec - 01 Jan	Thai AirAsia
21 Dec - 01 Jan	Thai AirAsia
14 Dec - 01 Jan	Thai AirAsia
29 Dec - 01 Jan	Thai AirAsia
20 Dec - 01 Jan	AirAsia X
30 Dec - 01 Jan	AirAsia

Also check the deals for one-way flights from Hangzhou 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 Hangzhou to Singapore in December from $358

Return flights