Relax at the DoubleTree by Hilton Hotel St. Louis-Chesterfield is located off of Highway 40/I-64, it is only 30 minutes from Lambert St. Louis International Airport. Our 36,000 sq. ft. of conference and event space accommodates up to 1,000 guests and offers a diverse range of meeting rooms, including the IACC Certified Executive Conference Center. Host a corporate meeting or special event and let expert event planners take care of the details. Enjoy complimentary parking and all the support you need for business in the fully equipped business lounge area.