The 27-year-old from Annecy injured his left thigh during a workout in Albertville in late September and missed the season openers in Soelden and Levi.
But after a successful MRI, he will fly to the United States on Tuesday ahead of the giant slalom in Colorado on December 1.
Missillier had eight top 10 finishes in the World Cup last season and finished 27th in the overall rankings.
Compatriot and slalom world champion Jean-Baptiste Grange is still sidelined after knee surgery in late March.
- Sports & Recreation