Travel / How can I get from Wrocław, Dworzec POLBUS-PKS to airport? And to the PKP Main train station. [6]

Hi guys,
I ll come to wroclaw by polskibus so my stop is Wrocław, Dworzec POLBUS-PKS. I wonder how can get the airport?
-bus,taxi etc.
-what does each cost?
-how many min. does it take each one?
Thank you in advance :)