pg 138Airs Bangkok Airways (PG) Aircraft AT76; Flht Duration 1 hours 30 minutes; Flht Distance 464.30 km 288.50 miles; Operating Days Monday, Tuesday, Wednesday, Thursday, Friday,Flht PG138 is operated daily. How many flhts operate between Koh Samui and Bangkok? The route from Koh Samui to Bangkok is served by 1 air (s) with 172 flhts