The international airport of Milan Bergamo is called Airport Caravaggio and is located in Orio al Serio, a few kilometers from Bergamo. You can see the airport well from the hill of San Vigilio. Regular buses connect Orio al Serio Airport with Bergamo train station and on to the Upper Town. They run every 20 minutes and the journey takes 15 minutes to the train station and another 7 minutes to the upper town of Città Alta. The tickets are extremely cheap and you can buy them at the counters at the train station, in tabaccherie and at newsagents.