Globally, vermiremediation is gaining significant research interest. This study evaluated the effectiveness of vermicompost tea (VCT) and solutions of Xanthan Gum (XG) prepared in VCT (e.g., VCT/XG solutions) as flushing agents in conjunction with air injection to bioremediate sandy soil contaminated with spent lubricant oil (SLO). Batch biodegradation tests were conducted to determine the biodegradation of SLO by the bacterial consortia contained in VCT. Sand-packed experiments were conducted to evaluate the effect of two injection sequences: injection sequence # 1 (IS#1) with alternating injections of the flushing agents VCT-VCT/XG-VCT-VCT/XG with air and injection sequence # 2 (IS#2) with alternating injections of VCT-VCT/XG-VCT under continuous airflow. Baseline experiments were conducted using tap water rather than VCT. The remediated sandy soil was subjected to phytotoxicity tests. FTIR analysis demonstrated that the SLO was biotransformed by the microorganisms present in VCT. The experimental results demonstrated that the IS#2 was more effective in removing SLO (e.g., 98% removal) compared to the baseline experiments (e.g., 80% removal). However, IS#1 produced a better quality remediated sand for seed growth and development as per phytotoxicity test results. Overall, the combination of VCT-VCT/XG solutions as flushing agents and continuous air injection shows effectiveness for bioremediation of polluted soils for potential application at industrial sites contaminated with hydrocarbon derivatives.