Flink won silver at her first international competition, the 2011 World Youth Championships. In 2012, she won gold at the World Junior Championships. In July 2013, she won gold at the European Junior Championships. The next month she competed at the 2013 World Championships, her first senior international competition. She set a personal best and Swedish record of 61.96 m to advance through the qualification round then finished tenth in the final with a 59.52 m throw.