Hänninen moved to Hungary in 2021 and signed a deal with Ferencváros youth academy.[2] One year later, he returned to Finland and signed his first professional contract with his hometown club FC Lahti, on a deal until the end of 2024.[3] He scored his first Veikkausliiga goal on 26 May 2023, in a 1–2 home defeat against AC Oulu.[4]
On 5 March 2024, Hänninen joined fellow Veikkausliiga club SJK after signing a two-year deal with the club.[5]
International career
A regular Finnish youth international, Hänninen has represented Finland at under-17, under-18 and under-19 youth national team levels.
Career statistics
As of 27 September 2024
Appearances and goals by club, season and competition