Laminate Countertops are amongst the cheapest and the most popular ones available in the market. The average cost of countertops is approximately $5 per square foot. When it comes to the installation, it may cost as much as $390 if someone installs the countertops without the help of a contractor. However, in case of expert services, countertops can cost $20 to $30 per square foot of installation. The kind of service one will need depends on the extent of protection one would like.