Yılmaz returned to competition at the Koper World Cup, finishing eighth in the floor final. At the Mediterranean Games, Yılmaz helped the Turkish team finish fifth in the team final, and placed 10th in the all-around and sixth on the uneven bars individually. At the Mersin World Cup, Yılmaz won three silver medals in front of a home crowd: one on the uneven bars, one on the balance beam and one on floor. She competed at the 2018 European Championships, but did not make the finals. In September, she competed at the Szombathely World Cup and qualified to the floor final. However, she struggled in the final, and placed eighth. Yılmaz was part of the Turkish team competing at the 2018 World Championships in Doha, and placed 60th all-around in qualifications, missing out on the finals.