Born in Switzerland, Andrea Cueva Molnar began her studies at the Montreux-Vevey-Riviera Conservatory of Music. After obtaining her baccalauréat in 2012, she joined the Geneva High School of Music. In 2014, she entered Hedwig Fassbender's class at the Hochschule für Musik und Darstellende in Frankfurt. Between 2016 and 2019, she sang in five young audience productions at the Frankfurt Opera: Onegin for children, Tosca for children, The Marriage of Figaro, La Bohème and Die Kleine Opernwelt. Andrea Cueva Molnar won the ADAMI Prize in 2018 and joined the Paris Opera Academy in September 2019.