High-quality fiber cables, connectors, and testing equipment contribute to overall costs. Outdoor installations require additional protection, raising expenses. Understanding the costs of fiber optic cable is a top concern for businesses planning network infrastructure upgrades. Whether you're expanding your data center, connecting multiple buildings, or future-proofing your connectivity, accurate pricing information helps you budget effectively. Existing infrastructure and the distance to be covered. How Much Does Fiber Optic Cable Cost per Foot? On average, commercial projects range from $5,000 to $20,000 per mile underground and $40,000 to $60,000 per mile for aerial deployment. This page provides a comprehensive overview of the elements influencing fiber optics.