The 21-year-old American clocked a combined time of one minute, 27.95 seconds to finish 0.73 seconds ahead of runner-up Veronika Velez Zuzulova of Slovakia. Swiss Wendy Holdener was third in 1:28.81.
Shiffrin has now won the last 10 World Cup slaloms she has competed in dating back to 2015. In that time she has also won a world championship.