Flight Tan Son Nhat International Airport departs from Ho Chi Minh City Tan Son Nhat International Airport at 20:35 and arrives at Bandar Seri Begawan Brunei International Airport at 23:40.
The flighttime is about 2h 05m. The distance travelled ("as the bird flies"): 948 Km. So the average speed is roughly 455 Km.
There is an 1 hour time difference between Ho Chi Minh City and Bandar Seri Begawan