[4] In July 2016, Bonansea was loaned to Spanish football with Tercera División team Villarreal C.[4] He made his debut on 23 October in a 4–0 home win against Segorbe, which was followed by further appearances against Rayo Ibense, Segorbe (away) and Muro.
[2] In January 2020, Bonansea returned to his homeland with Primera División side Unión Santa Fe.
[7][8][9] After being on the bench for a Copa Sudamericana defeat to Emelec in October, he made his competitive Unión debut on 20 November against Arsenal de Sarandí.
[2][10] In January 2022, Bonansea joined Primera Nacional club Agropecuario on a one-year loan deal.
[11][12] In 2015, Bonansea was called up to represent Argentina at the South American U-17 Championship and FIFA U-17 World Cup; though didn't appear at either tournament.