Tuition fees differ depending on the terms of being admitted to studies, language of studies, and a year of admission.
You will find here the tuition fees for studies in English in 2020/2021 academic year (click here to check fees from previous year).
Detailed information (in Polish only) for students admitted on the fee-paying basis is available here.
For Polish students and foreigners studying on the same condidtions as Polish citizens: here.