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

Return flights

27 Dec - 22 Jan	VietJet Air
29 Dec - 02 Jan	VietJet Air
29 Dec - 03 Jan	VietJet Air
27 Dec - 30 Dec	VietJet Air
28 Dec - 31 Dec	VietJet Air
29 Dec - 25 Jan	VietJet Air
29 Dec - 05 Jan	Scoot	direct
29 Dec - 25 Jan	Scoot	direct
28 Dec - 06 Jan	VietJet Air
28 Dec - 30 Dec	VietJet Air
28 Dec - 01 Jan	VietJet Air
30 Dec - 31 Dec	VietJet Air
29 Dec - 02 Jan	Scoot	direct
29 Dec - 03 Jan	Scoot	direct
27 Dec - 29 Dec	Scoot	direct
27 Dec - 30 Dec	Scoot	direct
28 Dec - 31 Dec	Scoot	direct
28 Dec - 30 Dec	Scoot	direct
30 Dec - 31 Dec	Scoot	direct
29 Dec - 29 Dec	Vietnam Airlines

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 157€

Return flights