Here in my country, a screen costs around 50-60 Euro + 50-100 Euro replacement cost. Should be approx same prices in USD, between 100 and 150 as Emerald already wrote.
check this link for your model as this is were I get mine for my customers. http/www.laptopscreen.com/English/brand/HP-Compaq/
replaced 2 screens on an asus & Samsung laptops last week.