As windows get older, they become less efficient and possibly even dangerous, prompting many homeowners to explore the idea of window replacement. The typical range for window prices is $300 to $1,200 per window. Different factors can contribute to cost, such as installation requirements, window frame material, size, and type. The use of inserts or full-frame replacement can also factor into price, as can the type of glass chosen and any labor associated with window replacement or installation.