From the airport you could take public bus transport that is called Transmilenio, the station is next to the airport and you must take the bus with the number M86 and when you leave Hostel to airport K86. When you´re coming to the hostel (M86) be sure you stop at Calle 53 or Calle 57 with Septima, after that you just need to walk a few meters if you stop at Calle 53 or a couple of blocks if you stop at 57.