Pinto started to play for Portugal's Under-19 team in 2012. On July 2, 2012, she debuted for the U19 team in a match against Turkey U19, valid for the 2012 UEFA Women's Under-19 Championship. A championship in which Portugal reached the semi-finals for the first time in history. Pinto also represented Portugal at the 2013 UEFA Women's Under-19 Championship Qualifying Stages and the 2015 UEFA Women's Under-19 Championship Qualifying Stage. On April 9, 2015, again against Turkey U19, she played her last match for the Portugal U19 team, totalling 25 matches played and four goals scored for the team.