In August, she competed in the 2018 European Championships in Glasgow where the French team finished first in the qualification round after the favored Russian team had three falls. Ultimately, the French team won the silver medal in the final behind Russia and ahead of the Netherlands. With a total of 161.131 points, the achieved the best result in French gymnastics history. Individually, Boyer qualified for the beam final in fifth place. In the final, she won the bronze medal.