Konstantinos Manolas began his football career in the youth teams of
AEK Athens, and made his professional debut in the 2011–12 season for
Thrasyvoulos. In 2013, he was signed by
Levadiakos, and played his first
Super League game for the club on 14 April 2013 in a 1–0 home loss against
PAOK. After only two appearances he signed for
Chania. He played for Chania for two seasons before moving yet again in 2015, this time for Super League club
Kerkyra. In August 2015, Kerkyra was accused, and subsequently found guilty, of committing irregularities in its change of ownership. Its playing license was revoked by
Super League Greece and the club was relegated to
Football League, taking the last position on the league table. As a result of this relegation, Manolas along with other players, signed for his former club
Levadiakos a three-years contract for an undisclosed fee. On 5 August 2016, the son of AEK's legendary veteran and former manager
Stelios Manolas, Konstantinos, signed a three-season contract with the
Greek Cup winners for an undisclosed fee. On 29 November 2016, he made his debut with the club as a starter in a
Greek Cup 2–2 away draw against
Anagennisi Karditsa. On 29 August 2017, he mutually solved his contract with
AEK, returned to his former club
Levadiakos On 24 October 2017, he made his debut with the club in a
Greek Cup game against
Aiginiakos. On 13 February 2018, after only one game played with
Levadiakos, he solved his contract signing with
Second League club
Lokomotiv until the summer of 2019 for an undisclosed fee. On 11 August 2018, he moved to
newly promoted side
Aittitos Spata on a free transfer. ==Personal life==