Located about 30km east of the city, the Bangkok International Suvarnabhumi Airport (BKK) opened in September 2006.
http://www.bangkokairportonline.com/
General information: 02-132-1888
Arrivals: 02-132-9328 or 02-132-9329
Departures: 02-132-9324 or 02-132-9327

Although the original plan was for the city's Don Maung Airport (DMK) to close permanently, the government decided to re-open it in March 2007. It handles domestic flights, and is situated about 24km north of Bangkok.
http://www.donmuangairportonline.com/