If the windows in your home aren’t opening and closing like they used to or if they’re letting in the cold air, it may be time for replacement windows. Knowing the overall cost of window replacement can help keep you within the project’s budget and avoid any surprise costs down the road. The typical window replacement cost is between $200 and $1,800 per window, and the national average is around $100 to $650 per window, depending on window frame material and glass type, among other factors. Labor adds to the overall window replacement cost and can run approximately $100 to $300 per window. The most common factors that affect window replacement cost are the type of window, window frame material, window size, and energy efficiency.