Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 18:30 and arrives at Vientiane Wattay International Airport at 19:45.
The flighttime is about 1h 15m. The distance travelled ("as the bird flies"): 223 Km. So the average speed is roughly 178 Km.
The best month to arrive at Bangkok is September and the most expensive month to fly is January. (Average prices, based on 246 datapoints.)
The best day to arrive at Bangkok is Thursday and it would be best to avoid Tuesday, as prices are on average 806.11% higher than on Thursday. (Average prices, based on 289507 datapoints.)
We have a lot more statistics for flights WE 574 and between Bangkok and Vientiane.