Longford were 13 point to 1-7 winners over Wexford in the U20 Andrew Corden cup semi-final on Tuesday night.
Longford will now meet Westmeath in the decider after they overcame Carlow 3-9 to 1-10.
The Leinster U20 championship final will be contested by Louth and Meath. The Wee County produced one of the upsets of the championship when they accounted for Dublin by 1-13 to 1-09.
Whereas, Kildare the defending champions lost out to the Royal County.
Roscommon await the winners of tonight’s Connacht under-20 semi-final, with Galway up against Sligo.