Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 19:05 and arrives at Hanoi Noi Bai International Airport at 21:10.
The flighttime is about 2h 05m. The distance travelled ("as the bird flies"): 593 Km. So the average speed is roughly 285 Km.
The best month to arrive at Bangkok is July and the most expensive month to fly is February. (Average prices, based on 219 datapoints.)
The best day to arrive at Bangkok is Wednesday and it would be best to avoid Tuesday, as prices are on average 196.55% higher than on Wednesday. (Average prices, based on 906734 datapoints.)
We have a lot more statistics for flights VN 618 and between Bangkok and Hanoi.