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

Return flights

04 Dec - 09 Dec	VietJet Air
01 Dec - 03 Dec	VietJet Air
10 Dec - 17 Dec	Scoot
12 Dec - 14 Dec	VietJet Air
06 Dec - 09 Dec	VietJet Air
12 Dec - 14 Dec	Scoot	direct
05 Dec - 07 Dec	Scoot	direct
08 Dec - 10 Dec	VietJet Air
05 Dec - 08 Dec	VietJet Air
07 Dec - 13 Dec	VietJet Air
29 Dec - 09 Jan	VietJet Air
28 Dec - 04 Jan	VietJet Air
26 Dec - 02 Jan	VietJet Air
30 Dec - 03 Jan	VietJet Air
31 Dec - 03 Jan	Scoot	direct
31 Dec - 01 Jan	VietJet Air
30 Dec - 01 Jan	VietJet Air
30 Dec - 02 Jan	VietJet Air
26 Dec - 02 Jan	Scoot	direct
29 Dec - 09 Jan	Scoot	direct

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 $217

Return flights