Lindfors had a back problem in the summer and autumn of 2016. She started her season by placing eleventh at the 2016 CS Lombardia Trophy and tenth at the 2016 CS Finlandia Trophy. At the 2017 Finnish Championships she won the bronze medal behind Emmi Peltonen and Jenni Saarinen, placing second in the short program and third in the free skate. She finished twenty-third at the 2017 European Championships in Ostrava, Czech Republic. She stated that she had a heart problem.