In the UEFA Under-21 Championship 2017 qualifying stage, Đurđević was the team's top scorer with nine goals, while captaining the side on most occasions. He netted a hat-trick in a 3–1 home win over Slovenia in the final group match. In addition, Đurđević scored once in the first leg of the play-off round versus Norway, as Serbia ultimately secured a spot in the final tournament. He was named in the final 23-man squad by newly appointed manager Nenad Lalatović in May 2017. In the second match of the group stage, Đurđević scored a header late to earn a 2–2 draw with Macedonia. He concluded his youth national team career on 23 June 2017, receiving a red card during the first half of Serbia's game against Spain.