Airports of Thailand opens new domestic terminal at Don Mueang International Airport in December 2015
The Airports of Thailand (AOT) opens Terminal 2 at the Don Mueang International Airport for domestic flights on 24 December, 2015. The facility has a capacity to handle 11.5 million passengers per year, and is equipped with six rows of check-in counters, totalling 70 counters, including 10 counters for passengers with disabilities.
The 24-December soft launch date follows
 the successful implementation of a three-day thorough trial operation 
which simulated real check-in conditions, luggage loading, immigration, 
and boarding of passengers. Public transport, including taxis and 
airport express buses, are available.
In order to ensure smooth experience for
 passengers, AOT is currently fine-tuning the final details of some 
other areas; such as, washrooms, restaurants, and shops.
The new domestic terminal is set for a full opening in February 2016.
AOT has ensured that the new terminal as well as current facilities on 
operations are renovated, maintained and operated in line with the 
international airport safety and security standards. 
Don Mueang International Airport currently serves domestic and 
international flights by low-cost carriers, including Thai Smile, Nok 
Air, Thai AirAsia, Thai Lion Air, Orient Thai Airlines etc. It is also 
handling capacity of 28 million passengers per year while the full 
operation of the second passenger terminal at the Airport will bring the
 capacity to handle up to 40 million passengers per year.
