Officially opened on September 28, 2006, Suvarnabhumi Airport covers an approximate area of 8,000 acres (20,000 rais). It is located at Km.15 on the east-bound Bangna-Trat Highway in Bang Phli District of Samut Prakarn province, about 25 kms.(40-60 minutes) from Bangkok downtown. ty, its Slogan, its Location, and its Service.