At the 2014 Cottbus World Cup, Estberg competed on the balance beam and the floor exercise, but she did not qualify for the event finals. She competed at the 2014 European Championships with Emma Larsson, Jonna Adlerteg, Kim Singmuang, and Nicole Vanstroem, and the team finished 12th. The same team plus Veronica Wagner competed at the 2014 World Championships, and the team finished 21st.