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

Return flights

30 Sep - 02 Oct	AirAsia	direct
25 Sep - 29 Sep	AirAsia
25 Sep - 30 Sep	AirAsia	direct
25 Sep - 02 Oct	AirAsia	direct
30 Sep - 04 Oct	AirAsia	direct
30 Sep - 07 Oct	AirAsia	direct
30 Sep - 09 Oct	AirAsia	direct
30 Sep - 18 Oct	AirAsia	direct
30 Sep - 16 Oct	AirAsia	direct
23 Sep - 30 Sep	AirAsia	direct
23 Sep - 02 Oct	AirAsia	direct
27 Sep - 30 Sep	AirAsia	direct
27 Sep - 02 Oct	AirAsia	direct
25 Sep - 04 Oct	AirAsia	direct
23 Sep - 27 Sep	AirAsia
25 Sep - 27 Sep	AirAsia	direct
23 Sep - 27 Sep	AirAsia	direct
26 Sep - 30 Sep	AirAsia
29 Sep - 30 Sep	AirAsia
25 Sep - 26 Sep	AirAsia

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 137€

Return flights