AirHint found the following cheapest one-way flights from Singapore (SIN) to Vientiane (VTE) in December 2025 (see full year).

One-Way flights

10 Dec	VietJet Air
11 Dec	VietJet Air
05 Dec	Scoot	direct
24 Dec	Vietnam Airlines
23 Dec	Thai AirAsia
31 Dec	Scoot	direct
11 Dec	Scoot	direct
02 Dec	Scoot	direct
12 Dec	Scoot	direct
13 Dec	Scoot	direct

Also check the deals for return flights from Singapore to Vientiane 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 one-way flights from Singapore to Vientiane in December from $127

One-Way flights