Fiber optic cable costs range from $0. 50 per linear foot for materials alone, with single-mode fiber averaging $0. Installation adds an additional $1-$35 per foot, depending on the method. Single-mode fiber costs less per foot than multimode fiber, but it requires more. If you're grappling with the complexities of budgeting for fiber optic installations 1, understanding the cost dynamics of single-mode fiber optic cables 2 is crucial. How do you navigate these costs effectively? The pricing of single-mode fiber optic cables varies significantly based on. Fiber optic cables consist of multiple fibers, each designed for high-speed data transmission. These fibers are thin strands, often as small as a human hair, that transmit data as pulses of light.