The season began on 12 April 2024 and ended on 19 October 2024.
It was the first season of the Ykkönen serving as the third-tier football league in Finland, after it was demoted due to formation of the new second-tier Ykkösliiga.
The top six from the regular season enter the Promotion Round and play each other for the third time.
The winner qualifies directly for promotion to Ykkösliiga, whilst the runners-up enter a two-legged playoff against the second to last team in the 2024 Ykkösliiga for promotion.
The bottom six from the regular season enter the Relegation Round and play each other for the third time.