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

Return flights

31 Aug - 07 Sep	VietJet Air
31 Aug - 04 Sep	VietJet Air
31 Aug - 06 Sep	Thai AirAsia
31 Aug - 17 Sep	Thai AirAsia
31 Aug - 19 Sep	Thai AirAsia
31 Aug - 05 Sep	Thai AirAsia
30 Aug - 17 Sep	Thai AirAsia
30 Aug - 19 Sep	Thai AirAsia
30 Aug - 05 Sep	Thai AirAsia
31 Aug - 12 Sep	Thai AirAsia
30 Aug - 31 Aug	Thai AirAsia
29 Aug - 30 Aug	Thai AirAsia
28 Aug - 30 Aug	Thai AirAsia
30 Aug - 31 Aug	Scoot	direct
28 Aug - 29 Aug	Thai AirAsia
29 Aug - 31 Aug	Scoot	direct
29 Aug - 29 Aug	Thai Airways

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

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 August from $193

Return flights