Laminate flooring cost depends on a few factors
Laminate flooring price.
Laminate flooring installation cost.
Accessories cost, for example: metal trims, quads, skirting boards removal and installation, underlay.
Cost of subfloor leveling which depends on how bad is the condition.
Delivery cost as sometimes the suppliers do not include this cost in their advertised price.
Cost of existing floor removal and disposal.