Can you advise us aticipación and will hire a shuttle that brings you straight to the hostel for an extra price.
Otherwise, you can take the bus from the airport to the metro line 1 (red color) station 'Birds' take the subway and get off at the 'Salvador' station (line1 equally).
You walk right by 'Avenida Salvador' and 7 or 10 minutes walk you will find the street Matte Ricardo Perez, our hostel is the big house on the corner!