Rating Newest Oldest. Best Answer: The A380 varies in size and passenger numbers. Not every A380 has 800 seats. Some have 500 seats while some have 723 seats.But the overall cost of a A380 is $317.2 - 337.5 million (American).urrent airlines that are operating this plane are 1)Air France-First flight- 20 November 2009 2)Emirates-First flight-1 August 2008 3)Qantas-First flight-20 October 2008 4)Singapore-First flight-25 October 2007 The 5th operator of the A380 is going to be Lufthansa.