At the start of the 2014–15 season, Lindgren played in both legs of the second round of the UEFA Europa League against Aberdeen, as the club lost 2–1 on aggragate. He appeared in the first five league matches of the season before being sent–off for a second bookable offence, in a 3–0 loss against SC Cambuur on 14 September 2014. After serving a one match suspension, Lindgren returned to the starting line–up against BVV Barendrecht in the second round of the KNVB Cup, as he helped FC Groningen win 4–1. However, since returning from injury, Lindgren found his playing time, mostly coming from the substitute bench for the next four months. He didn’t return to the starting line–up until on 14 February 2015 against Excelsior, captaining the whole game, in a 1–1 draw. Following this, Lindgren began playing in the centre–back position and played for the rest of the 2014–15 season. He then scored his first goal for the club, in a 1–1 draw against SBV Vitesse on 4 April 2015. Four days later on 8 April 2015, Lindgren helped FC Groningen reached the final of the KNVB Cup after the club beat Excelsior 3–0 in the semi-finals. Lindgren helped the Green-White Army win the 2014–15‘sKNVB Cup against defending champions PEC Zwolle 2–0, winning their first major trophy and qualifying for the UEFA Europa League next season. At the end of the 2014–15 season, he went on to make thirty appearances and scoring once in all competitions.