Arrival and departure floor is located at ground floor in Udon Thani International Airport. There is no smoking room inside of the terminal building. It is prohibited to smoke outside. However you can smoke at the edge of the building outside.
Boarding lounge is located at 2nd floor. There is a smoking room in it.
Where we can smoke in airports ? Could you please provide information about smoking areas in airports. We help each other and enjoy smoking in airports all over the world !!
( I hope you offer information about smoking areas you have used by yourself. )