Maya Moore scored a game-high 19 points and 68 win.
Seimone Augustus and Amber Harris each scored 12 points, and Rebekkah Brunson contributed 10 as the Lynx took a home-and-home series split with the Liberty.
Minnesota dropped Friday's contest against New York in Minnesota, 78-62, on Friday and the Lynx avoided taking consecutive losses for just the second time all season.
Plenette Pierson paced the Liberty with 17 points and eight rebounds. Nicole Powell added 10 points and was the only other member of the Liberty to score in double digits.