This document compares internet plans from various Spanish providers, listing ONO's 100 Mbps fiber optic plan for 42.23 euros per month as the cheapest option, followed by Jazztel's 30 Mbps premium internet for 24.14 euros, then Movistar's 100 Mbps fiber optic for 36.18 euros, Vodafone offers 35 Mbps for 15 euros, and Orange's 100 Mbps fiber optic is the most expensive at 65.95 euros.