In his UEFA debut, Ghoddos scored a goal and provided an assist for a 2–0 win against Galatasaray on 13 July 2017. In the return leg, Ghoddos won a penalty with a dribble past Fernando Muslera. In a league match on 13 August, he scored a long-range goal from 40 meters out against Hammarby IF in Stockholm's Tele2 Arena. On 24 August, Ghoddos scored two goals in the Europa League play-offs against PAOK to qualify his team to the group stages of the competition. He scored the club's first tournament proper goal in their group stage debut on 14 September. He won the attacker of the year award at the end of the 2017 Allsvenskan season. On 23 November, Ghoddos scored the winning goal to send his club to the knockout phase of the Europa League.
