From Bangkok to Umphang, Take air-conditioned buses, as well as flights from Bangkok to Mae Sot, and then, take the local bus to Umphang. There is now a charter flight operated by Siam GA Co., Ltd. The fare is approximately 9,000 bahts to fly directly to Umphang either on Monday, Wendesday, Friday, Saturday or Sunday. For more information, call 02 5043320 ext. 197.