Flight Shahjalal International Airport departs from Dhaka Shahjalal International Airport at 08:25 and arrives at Singapore Changi Airport at 14:40.
The flighttime is about 4h 15m. The distance travelled ("as the bird flies"): 1514 Km. So the average speed is roughly 356 Km.
There is an 2 hour time difference between Dhaka and Singapore
The best day to arrive at Dhaka is Tuesday and it would be best to avoid Thursday, as prices are on average 272.7% higher than on Tuesday. (Average prices, based on 105211 datapoints.)
We have a lot more statistics for flights BG 584 and between Dhaka and Singapore.
