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

Return flights

13 Dec - 16 Dec	VietJet Air
12 Dec - 15 Dec	VietJet Air
24 Dec - 28 Dec	Scoot	direct
05 Dec - 08 Dec	Scoot	direct
08 Dec - 10 Dec	VietJet Air
13 Dec - 17 Dec	VietJet Air
03 Dec - 16 Dec	Scoot
22 Dec - 29 Dec	VietJet Air
27 Dec - 04 Jan	VietJet Air
19 Dec - 22 Dec	VietJet Air
30 Dec - 04 Jan	VietJet Air
12 Dec - 15 Dec	Scoot	direct
27 Dec - 04 Jan	Scoot	direct
31 Dec - 04 Jan	VietJet Air
30 Dec - 01 Jan	VietJet Air
31 Dec - 04 Jan	Scoot	direct
18 Dec - 06 Jan	Thai AirAsia
20 Dec - 06 Jan	AirAsia
26 Dec - 06 Jan	Thai AirAsia
27 Dec - 06 Jan	Thai 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 $230

Return flights