Flight Brunei International Airport departs from Bandar Seri Begawan Brunei International Airport at 15:20 and arrives at Seoul Incheon International Airport at 21:45.
The flighttime is about 5h 25m. The distance travelled ("as the bird flies"): 2207 Km. So the average speed is roughly 407 Km.
There is an 1 hour time difference between Bandar Seri Begawan and Seoul
