Flight Chiang Mai International Airport departs from Chiang Mai Chiang Mai International Airport at 19:45 and arrives at Bangkok Suvarnabhumi Airport at 21:05.
The flighttime is about 1h 20m. The distance travelled ("as the bird flies"): 221 Km. So the average speed is roughly 166 Km.
The best day to arrive at Chiang Mai is Wednesday and it would be best to avoid Monday, as prices are on average 209.12% higher than on Wednesday. (Average prices, based on 3965542 datapoints.)
We have a lot more statistics for flights VZ 4780 and between Chiang Mai and Bangkok.