Halkina appeared in her first senior Europeans at the 2013 European Championships together with her teammates (Melitina Staniouta and Arina Charopa) where Team Belarus won the bronze medal. At the 2013 World Cup series in St.Petersburg, Russia, Halkina finished 7th in all-around behind Azeri gymnast Marina Durunda and again qualified to all 4 event finals. She then competed at the 2013 World Championships in Kiev, Ukraine where she qualified and finished 8th in ball final. Halkina finished 15th at the 2013 World Championships All-around final. On October 25–27, Halkina competed at the World Club Championship, the 2013 Aeon Cup in Tokyo, Japan representing team Dinamo (together with teammate Melitina Staniouta) won the team silver. She finished 5th in the All-around finals ahead of Azeri gymnast Marina Durunda.