Andrea Falcón signed for Barça for the first time in 2012, aged just 15. She played for the first and second teams, winning three league titles and the Copa de La Reina twice, as well as making her Champions League debut in 2013 and representing Spain at youth level. In 2016 she decided to move to Atletico Madrid, with whom she accumulated another three league titles and became a full international.
She was part of the first team in the history of the club to win the UEFA Womens Champions League (2020-21). She also went down in football history by winning the first treble in club history.