The next season saw Barnechea win the Third Division, finishing 1st in the Liguilla de Ascenso, above Arturo Fernández Vial, Iberia Los Ángeles and Municipal Mejillones.

Their captain and goalkeeper Jorge Manduca scored the decisive penalty in the resulting shoot-out to send Barnechea through to the Chilean Primera División 2014–15 by a 4–3 margin.

A week later, Barnechea won their first match in the First Division, with Francisco Ibañez scoring the only goal in a 1–0 win against San Marcos de Arica.

While they had a light of hope from the dates 20 and 21, the fall before the champion of the meeting, Deportes Temuco returned to its dark reality, such that the left trembling throughout this stage, until the equipment that came from further back, began to win games and obtain important points in his fight to save the category.

The defeat before Coquimbo Unido of visit by 4–2 in the last date, determined its eventual decline to the third category of Chilean soccer, with a meager statistics only 5 wins, 8 draws and 17 defeats, with 25 goals in favor and 54 against, which gave him a difference of −29 and a figure of 23 points of 90 possible (its final performance was a 25.56%), ending the team in the 16th position (last), being relegated to the Segunda División for the season 2016–17.

Current squad of A.C. Barnechea as of 5 October 2021 (edit) Sources: ANFP Official Web Site Manager: John Armijo Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.