Flight Don Mueang International Airport departs from Bangkok Don Mueang International Airport at 12:00 and arrives at Kathmandu Tribhuvan International Airport at 14:00.
The flighttime is about 3h 00m. The distance travelled ("as the bird flies"): 1684 Km. So the average speed is roughly 561 Km.
There is an 1 hour time difference between Bangkok and Kathmandu
