At the 2018 U.S. Championships, Chen placed third in the short program and fourth in the free skate to win the overall bronze medal. As a result, Chen was selected to represent the US at the 2018 Winter Olympic Games in Pyeongchang, South Korea and the 2018 World Championships in Milan, Italy. She placed eleventh in the Olympics and withdrew from Worlds; she was replaced by second alternate Mariah Bell after first alternate Ashley Wagner declined the invitation.