There are Czech courses for beginners at The University, starting from 2nd week of the semester. The schedule will be designed at the beginning of the semester and will appear on the notice board of the Department of Languages. The course is free of charge.
You can also try Tandem Learning. Tandem Learning is reciprocal language learning in which you are paired with a native speaker of the target language to learn together. That means, that students with different native languages teach each other. There is no financial cost involved and you can benefit whatever is your level of language. Just contact us via email firstname.lastname@example.org.
Otherwise you can choose from variety of Czech courses for foreigners in a commercial language schools.