On July 8, 2018, Bird scored a season-high 21 points in a 97–91 victory over the Washington Mystics. During that game she became the Storm's all-time leading scorer, passing Lauren Jackson's 6,007 points. On July 19, 2018, Bird was voted into the 2018 WNBA All-Star Game, passing Tamika Catchings for most all-star appearances. On July 22, 2018, Bird broke yet another record, this time for the most WNBA regular-season games played after she passed Delisha Milton-Jones by playing her 500th game against the Atlanta Dream. By the end of the season, Bird finished with a career-high in assists, field goal shooting and a new career-high in three-point shooting percentage as the Storm finished as the number 1 seed in the league with a 26–8 record, receiving a double-bye to the semi-finals and home court advantage throughout the playoffs. In the semi-finals, the Storm defeated the Phoenix Mercury in a hard-fought five-game series. The Storm had a 2–0 lead, lost two in a row and finished off the series with a win in game 5 at home. Bird scored a season-high 22 points in game 5. With that win, the Storm would advance to the WNBA Finals for the first time since 2010. In the Finals, they would sweep the Washington Mystics, winning their first championship in 8 years.