The Jazz bounced back from the most one-sided home loss in franchise history, a 45-point crushing at the hands of Houston.
Ryan Anderson brought the Hornets within three by hitting a 3-pointer with 17 seconds left, but Utah put the game away at the foul line while improving to 16-5 at home.
Millsap had 25 points and 10 rebounds with Al Jefferson adding 22 points. Foye produced 14 points and eight assists.
New Orleans played without guard Eric Gordon, who is suffering from sore knees. Greivis Vasquez led the Hornets with 17 points and 13 assists.
Utah fell behind by 12 points in the first period. This was the 11th time this season the Jazz won a game in which they trailed by at least 10, most in the NBA.