AirHint found the following cheapest one-way flights from Vientiane (VTE) to Bangkok (DMK) in September 2025 (see full year).

One-Way flights

19 Sep	Thai AirAsia	direct
10 Sep	Thai AirAsia	direct
15 Sep	Thai AirAsia	direct
11 Sep	Thai AirAsia	direct
20 Sep	Thai AirAsia	direct
27 Sep	Thai AirAsia	direct
26 Sep	Thai AirAsia	direct
28 Sep	Thai AirAsia	direct
04 Sep	Thai AirAsia	direct
05 Sep	Thai AirAsia	direct

Also check the deals for return flights from Vientiane to Bangkok 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 one-way flights from Vientiane to Bangkok in September from $69

One-Way flights