Flagstaff House Restaurant American  style restaurant, Located at: 1138 Flagstaff Rd Boulder, COLORADO   Phone Number 303-442-4640           Hours of Business: Dinner nightly, 5 - 10pm           Average Price: $65                   Flagstaff House Restaurant has been picked by our visitors as one of the 10 Best Restaurants in Boulder, COLORADO. This restaurant is available for your dining pleasure. While in Boulder what is your favorite restaurant. Win a FREE Dinner for Two!