Flight Don Mueang International Airport departs from Bangkok Don Mueang International Airport at 18:20 and arrives at Singapore Changi Airport at 21:40.
The flighttime is about 2h 20m. The distance travelled ("as the bird flies"): 477 Km. So the average speed is roughly 204 Km.
There is an 1 hour time difference between Bangkok and Singapore
The best month to arrive at Bangkok is July and the most expensive month to fly is December. (Average prices, based on 932 datapoints.)
The best day to arrive at Bangkok is Wednesday and it would be best to avoid Sunday, as prices are on average 57.88% higher than on Wednesday. (Average prices, based on 3757917 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 921 datapoints.)
We have a lot more statistics for flights SL 104 and between Bangkok and Singapore.