Get an INSTANT estimate of the cost to Install a Window! Our free calculator uses recent, trusted data to estimate costs for your Window Installation project. For a basic 1 window project in zip code 47474, the benchmark cost to Install a Window ranges between $341.90 - $598.03 per window.To estimate costs for your project: 1. Set Project Zip Code Enter the Zip Code for the location where labor is hired and materials purchased.2.or a basic 1 window project in zip code 47474, the benchmark cost to Install a Window ranges between $341.90 - $598.03 per window. To estimate costs for your project: 1. Set Project Zip Code Enter the Zip Code for the location where labor is hired and materials purchased. 2.