The All-Ireland champions were dominant after a tough start.
All Ireland champions Dublin will face Meath in the Leinster final next weekend.
Dessie Farrell's side beat Laois by 2-23 to 7 points in the semi-finals at Croke Park.
Mike Quirke's charges began strongly for the opening quarter up to the water break, but lost momentum following a deflected Eoin Bugler goal.
Quirke praised the clinical nature of the Dublin attack:
Meath saw off Kildare on a scoreline of 5-9 to 15 points.
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