By TAXI... from the airport, 25 minutes, $10 USD = $25.000 colombian pesos. Calle 26, Avenida Circunvalar, calle 9.
By BUS... is super easy too, about 1 hour by the only green bus from the airport is free and them the red Bus (transmilenio sistem) go to STATION UNIVERSIDADES. and from there you can walk or better a taxi $3 USD = $5.000 colombian pesos.
From the BUS TERMINAL:
By TAXI... is just $7 USD = $14.000 colombian pesos and 20 minutes.
By bus the one that come to the center.