On January 29, 2015, Teague earned his first All-Star selection as a reserve for the Eastern Conference in the 2015 NBA All-Star Game. Teague went on to lead the Hawks to a first-place finish in the East. In the first round against the eighth-seeded Brooklyn Nets, Teague averaged 14.2 points and 7.8 assists per game. In Game 6, Teague tallied 13 assists without a single point, helping the Hawks close out the series with a dominating 114–87 win. In the Conference semi-finals against the Washington Wizards, Teague averaged 16.3 points and 7.0 assists per game. In Game 4, Teague recorded 26 points and 8 assists, scoring 10 points in the fourth quarter and hitting a clutch three-pointer in the final minutes, sealing a 106–101 win over the Wizards and tying the series at 2–2. In Game 6, he recorded 20 points and 7 assists, while assisting DeMarre Carroll on two consecutive possessions in the final minute, giving the Hawks a four-point lead. They went on to win 94–91 after a potential tying three-pointer by Paul Pierce was waved off, clinching the series 4–2. They eventually lost to the Cleveland Cavaliers in the Eastern Conference Finals.