AirHint found the following cheapest return flights from Singapore (SIN) to Vientiane (VTE) in September 2025 (see full year).

Return flights

18 Sep - 19 Sep	Scoot	direct
16 Sep - 18 Sep	Scoot	direct
25 Sep - 26 Sep	Scoot	direct
12 Sep - 18 Sep	Scoot	direct
25 Sep - 28 Sep	Scoot	direct
06 Sep - 07 Sep	Scoot	direct
21 Sep - 25 Sep	Scoot	direct
23 Sep - 25 Sep	Scoot	direct
14 Sep - 18 Sep	Scoot	direct
26 Sep - 30 Sep	Scoot	direct
30 Sep - 03 Oct	Scoot	direct
13 Sep - 11 Oct	Scoot	direct
28 Sep - 05 Oct	Scoot	direct
26 Sep - 02 Oct	Scoot	direct
20 Sep - 05 Oct	VietJet Air
25 Sep - 01 Oct	VietJet Air
21 Sep - 11 Oct	Thai AirAsia
17 Sep - 02 Oct	Thai AirAsia
21 Sep - 02 Oct	Thai AirAsia
17 Sep - 03 Oct	Thai AirAsia

Also check the deals for one-way flights from Singapore to Vientiane in September.

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 Singapore to Vientiane in September from 123€

Return flights