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

Return flights

13 Dec - 03 Jan	Scoot Tigerair	direct
12 Dec - 15 Dec	Scoot Tigerair	direct
01 Dec - 07 Dec	Scoot Tigerair	direct
20 Dec - 25 Dec	VietJet Air
02 Dec - 05 Dec	Singapore Airlines	direct
02 Dec - 07 Dec	AirAsia
06 Dec - 07 Dec	AirAsia
23 Dec - 08 Jan	AirAsia
20 Dec - 08 Jan	AirAsia
13 Dec - 15 Dec	AirAsia
19 Dec - 08 Jan	AirAsia
05 Dec - 05 Dec	Thai AirAsia
23 Dec - 12 Jan	AirAsia
02 Dec - 15 Dec	AirAsia
11 Dec - 15 Dec	AirAsia
27 Dec - 08 Jan	AirAsia
22 Dec - 08 Jan	AirAsia
21 Dec - 08 Jan	AirAsia
25 Dec - 08 Jan	AirAsia
23 Dec - 09 Jan	AirAsia

Also check the deals for one-way flights from Hanoi 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 Hanoi to Singapore in December from $199

Return flights