The Aces (9-12) outscored the Sky 32-15 in the second quarter and closed the third with an 18-2 run to make it 76-50. The Sky (7-13) got the deficit no closer than 17 in the fourth.
Las Vegas won its third in a row including an 84-80 win at home against Chicago on Thursday night. The Sky beat the Aces 95-90 on June 3.
Diamond DeShields had 15 points to lead Chicago.