Total Project Costs: For commercial installations, expect costs ranging from $5,000 to $20,000 per mile for underground projects and from $40,000 to $60,000 per mile for aerial installations. Individual business connections typically range from $15,000 to $30,000 for. Fiber-optic cable pricing depends on whether you're purchasing materials alone or including complete installation. For fiber cable materials only, expect $0. One of the most compelling benefits is the dramatic reduction in installation costs. But what drives these savings? Let's explore the key factors. Buying fiber optic installation services involves several cost components, with total price influenced by length, location, and access. Check with a local pro for your specific job.