First you can getting there by car approximately 6 hours doing an average speed of around 80 kilometres an hour. Second by bus if you are thinking of travelling to Khon Kaen by bus, you are in luck, as there are several daily bus servics departing from Bangkok's Morchit 2 Bus Terminal to Khon Kaen. For more detailed information, you may telephone Transport Co. Ltd at tel: 02 936 2852-66
1: What airline do you want? And you can give me more information and contact info?