Flint started the game brighter with a couple of half chances which they wasted. The opening goal came on 26 minutes when Ieuan Hewitt scored from outside the box.
The Denbigh Town reply was bright as they looked to Bull and Molyneux to get behind the Flint rear guard but Ben Jones dealt with the few chances created.
The second half started and Alan Bull missed a great chance with an open goal on 52 minutes.
The equalizer arrived on 59 minutes when Anthony Williams fired home from 20 yards.
Flint then went ahead on 65 when James Hooper found space from a set play and fired home.
Few minutes later and Andrew Brown made the game safe with a finish after a deflection saw the ball deceive the defence.
Denbigh Town continued to press and created several good chances which were all wasted.