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

One-Way flights

17 Dec	Thai AirAsia	direct
01 Dec	Thai AirAsia	direct
16 Dec	Thai AirAsia	direct
19 Dec	Thai AirAsia	direct
11 Dec	Thai AirAsia	direct
12 Dec	Thai AirAsia	direct
06 Dec	Thai AirAsia	direct
09 Dec	Thai AirAsia	direct
04 Dec	Thai AirAsia	direct
13 Dec	Thai AirAsia	direct

Also check the deals for return flights from Bangkok to Vientiane in December.

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 Bangkok to Vientiane in December from 65€

One-Way flights