In September Lazukin won the bronze medal at the 2018 CS Lombardia Trophy with a personal best score of 243.45 points. This medal was his first ISU Challenger Series medal. In early November he placed sixth at the 2018 Grand Prix of Helsinki. Two weeks later he finished seventh at the 2018 Rostelecom Cup. At the 2019 Russian Championships, he debuted a new free skate to Pyotr Ilyich Tchaikovsky's "Romeo and Juliet", finishing in fourth place overall.