Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 11:20 and arrives at Ho Chi Minh City Tan Son Nhat International Airport at 13:05.
The flighttime is about 1h 45m. The distance travelled ("as the bird flies"): 660 Km. So the average speed is roughly 377 Km.
The best day to arrive at Bangkok is Friday and it would be best to avoid Saturday, as prices are on average 44.78% higher than on Friday. (Average prices, based on 7638715 datapoints.)
We have a lot more statistics for flights PG 4291 and between Bangkok and Ho Chi Minh City.
