On doctoral level, no tuition fees are charged, but you will need to cover your living expenses. If you are admitted as a doctoral student, contact your Finnish university department for advice on research funding options. The university departments may have paid doctoral research positions available, or doctoral funding schemes of their own. They can usually also best direct you to potential grant-awarding foundations in your field of scientific research.
The national EDUFI Fellowship scholarship programme is available for doctoral level studies and research in Finland:
Note that the "applicant" for the EDUFI Fellowship is your hosting Finnish university department, so in order to be eligible for the EDUFI Fellowship, you must first successfully apply for doctoral level admission. If you have questions regarding the EDUFI Fellowship itself, please contact the scholarships admins directly. You can find their contact details on the above EDUFI Fellowship web page.