Noël, who had won the first slalom of the season in Val d'Isère, and on course to clinch his 10th World Cup victory, missed the last gate in the second round when he had almost a second ahead of the last split.
Sebastian Foss-Solevaag finally edged Pinturault by 10/100 and Sweden's Kristoffer Jakobsen by 11/100.
Sebastian Foss-Solevaag had finished second, behind Noël, in the first heat at the end of the afternoon.
He ended in style a year 2021 marked by his title of world champion still won in Italy, in Cortina d'Ampezzo in February.
With his second place Wednesday evening, Alexis Pinturault, holder of the big crystal globe, is reassured for his part after two giants totally missed in Alta Badia (15th and 18th) on Sunday and Monday.
© 2021 AFP