Roscommon will meet Kerry in the All-Ireland U20 semi-final later this month.
Paul Lane found the Cork net on the 15th minute with Gearoid White grabbing Kerry’s second goal just before half-time. Kerry led 2-7 to nine points at half-time.
Paddy Lane’s 42nd minute goal put the game beyond Cork as Kerry won out 3-14 to 20-points.
Kerry will meet Roscommon in the All-Ireland semi-final, on the weekend of May 10. However, with Roscommon in the Connacht senior final on May 10, Saturday May ninth is the expected date.