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

Return flights

03 Dec - 07 Dec	Thai AirAsia
20 Dec - 04 Jan	AirAsia X
08 Dec - 14 Dec	AirAsia X
08 Dec - 15 Dec	AirAsia X
12 Dec - 14 Dec	AirAsia X
12 Dec - 15 Dec	AirAsia X
03 Dec - 14 Dec	Thai AirAsia
03 Dec - 15 Dec	Thai AirAsia
24 Dec - 04 Jan	AirAsia X
03 Dec - 05 Dec	Thai AirAsia
08 Dec - 13 Dec	AirAsia X
14 Dec - 04 Jan	Thai AirAsia
12 Dec - 13 Dec	AirAsia X
20 Dec - 02 Jan	AirAsia X
27 Dec - 17 Jan	AirAsia X
29 Dec - 17 Jan	AirAsia X
27 Dec - 04 Jan	AirAsia X
29 Dec - 04 Jan	AirAsia X
13 Dec - 02 Jan	AirAsia X
24 Dec - 02 Jan	AirAsia X

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 340€

Return flights