In this work, three poly-methyl methacrylate (PMMA) hosted solid polymer electrolyte systems were prepared by a solution cast technique. A fixed amount of PMMA and nano Zirconium dioxide (ZrO2) were implemented as ceramic filler and lithium hexafluorophosphate (LiPF6) as dopant salt. The study was carried out using Electrochemical Impedance Spectroscopy (EIS) and Scanning Electron Microscope (SEM). The integrating 20 wt% of Propylene carbonate (PC) into PMMA enhanced the ionic conductivity with another addition of 5 wt% of LiPF6, the ionic conductivity is increased to from 1.94 × 10–11 Scm−1 to 2.97 × 10–09 Scm−1. This has inferred the enhancement of charge carrier density in the polymer electrolyte. A further addition of ceramic fillers with 10 wt% of ZrO2, boosted the ionic conductivity to 9.45 × 10–11 Scm−1 and 4.44 × 10–9 Scm−1, respectively. The SEM images showed the formation of three-dimensional networks with dispersion of ceramic fillers. It can be concluded that appropriate amount of lithium salt (5 wt% of LiPF6) and ceramic filler (10 wt% of ZrO2) enhances the ionic conductivity of the PMMA-based solid polymer electrolyte. The electrical conductivity of PMMA-LiPF6 polymer blend with different concentrations of ZrO2 as a nano filler has been studied. The polymer blend electrolyte was prepared in the form of thin films using solution casting technique. The blend was characterized by Scanning Electron Microscopy (SEM).