Dubai International Airport Terminal 3 is an airport terminal at Dubai International Airport serving Dubai, UAE. When completed and opened on 14 October 2008, it was the largest building in the world by floor area and is currently the world's largest airport terminal, with over 1,713,000 m2 (18,440,000 sq ft) of space. The partly underground Terminal 3 was built at a cost of US$4.5 billion, exclusively for Emirates and has a capacity of 43 million passengers. However it was announced on 6 September 2012 that Terminal 3 would no longer be Emirates exclusive, as Emirates and Qantas had set up an extensive code sharing agreement. Qantas would be the second and only one of two airlines to fly in and out of Terminal 3. This deal also allows Qantas to use the A380 Dedicated Concourse A. The term