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

Return flights

26 Dec - 04 Jan	VietJet Air	direct
11 Dec - 08 Jan	VietJet Air
24 Dec - 31 Dec	Scoot	direct
22 Dec - 02 Jan	Scoot	direct
26 Dec - 02 Jan	Scoot	direct
06 Dec - 28 Dec	Scoot	direct
06 Dec - 09 Dec	Scoot
30 Dec - 04 Jan	Scoot	direct
22 Dec - 20 Jan	Scoot
23 Dec - 28 Dec	Scoot	direct
09 Dec - 12 Dec	VietJet Air	direct
06 Dec - 08 Dec	VietJet Air
19 Dec - 23 Dec	Scoot	direct
27 Dec - 03 Jan	Scoot	direct
30 Dec - 03 Jan	Scoot	direct
11 Dec - 14 Dec	VietJet Air
25 Dec - 01 Jan	VietJet Air
12 Dec - 17 Dec	Scoot	direct
20 Dec - 23 Dec	Scoot	direct
20 Dec - 01 Jan	Scoot

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 156€

Return flights