By bus from Heraklion to Lentas
Since there is no direct bus from Heraklion to Lentas, you can drive for a few euros by bus to Mires and from there best to continue by taxi. Or else you change into the bus to Lentas, which goes is in the early afternoon from Mires to Lentas. There is this bus service mainly for school children: the bus goes in the morning from Lentas to Mires and around noon back to Lentas.
Please note: In the summer months the bus service between Mires and Lentas is limited.