Quintero made his first appearance of the 2017–18 season on 16 July, coming on a substitute in a 2–0 loss to Querétaro in the Supercopa MX. On 22 July, he made his first appearance of the 2017 Apertura in a 1–0 loss to Querétaro. He recorded his first assist of the season on 5 August in a 2–1 victory over Pumas UNAM. His first goal of the Apertura came on 19 August, scoring once and assisting for another as "Las Águilas" defeated Lobos BUAP 3–2. The Apertura season saw improvement from the 2017 Clausura for Quintero and América. Quintero finished with 2 goals and 4 assists to help América qualify for Liguilla. They would advanced past Cruz Azul in the first round before losing to Tigres UANL in the semifinals. For the Apertura 2017 Copa MX, Quintero made his first appearance of the tournament on 8 August, picking up the winning assist in a 2–1 win over Potros UAEM in the second game of the group stage. He would score in the last game of the group stage to help give "Las Águilas" a 2–0 win against Atlas and secure top spot in the group. On 24 October Quintero assisted the only goal of the game in to give América 1–0 over Cruz Azul in the round of 16. He recorded another assist in their 1–1 draw with Querétaro in the quarterfinals, with América advancing on penalties. Their run would end in the semifinals, losing on penalties to Monterrey.