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

Return flights

06 Dec - 09 Dec	VietJet Air	direct
20 Dec - 25 Dec	VietJet Air
17 Dec - 24 Dec	VietJet Air
24 Dec - 28 Dec	Scoot Tigerair	direct
17 Dec - 24 Dec	Scoot Tigerair	direct
24 Dec - 30 Dec	Scoot Tigerair
25 Dec - 28 Dec	VietJet Air
17 Dec - 05 Jan	Thai AirAsia
18 Dec - 05 Jan	Thai AirAsia
06 Dec - 08 Dec	AirAsia
06 Dec - 17 Dec	AirAsia
06 Dec - 18 Dec	AirAsia
20 Dec - 05 Jan	AirAsia
23 Dec - 05 Jan	AirAsia
20 Dec - 09 Jan	AirAsia
23 Dec - 12 Jan	AirAsia
19 Dec - 05 Jan	AirAsia
23 Dec - 09 Jan	AirAsia
24 Dec - 05 Jan	Thai AirAsia
25 Dec - 05 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 $210

Return flights