Which airports does Thai Airways International flies between for Bangkok-Vientiane?
For flights between Bangkok and Vientiane, Thai Airways International flies from the following airport routes: Suvarnabhumi Airport (BKK) to Wattay (VTE)
What do Thai Airways International flights from Bangkok to Vientiane cost?
One of Thai Airways International cheapest prices for a Bangkok to Vientiane flight we have right now is £ 189.
On average though, flights with Thai Airways International cost £ 194.7 for the route Bangkok to Vientiane, though it depends a lot on the season and how far in advance you book your tickets.