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

Return flights

02 Sep - 04 Sep	AirAsia	direct
30 Sep - 18 Oct	AirAsia	direct
30 Sep - 02 Oct	AirAsia	direct
25 Sep - 02 Oct	AirAsia	direct
02 Sep - 06 Sep	AirAsia	direct
27 Sep - 02 Oct	AirAsia	direct
18 Sep - 02 Oct	AirAsia	direct
16 Sep - 02 Oct	AirAsia	direct
20 Sep - 02 Oct	AirAsia	direct
30 Sep - 07 Oct	AirAsia	direct
25 Sep - 07 Oct	AirAsia	direct
25 Sep - 27 Sep	AirAsia	direct
18 Sep - 23 Sep	Scoot Tigerair
27 Sep - 07 Oct	AirAsia	direct
11 Sep - 27 Sep	AirAsia	direct
18 Sep - 27 Sep	AirAsia	direct
16 Sep - 27 Sep	AirAsia	direct
20 Sep - 27 Sep	AirAsia	direct
02 Sep - 20 Sep	AirAsia	direct
02 Sep - 16 Sep	AirAsia	direct

Also check the deals for one-way flights from Kuala Lumpur 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 Kuala Lumpur to Vientiane in September from $150

Return flights