Depending on the kind of keyboard and the brand and model of the laptop, the cost of a new keyboard might change. A laptop keyboard is a crucial element of technology. Depending on the laptop model, you could expect to pay between $700 and $1500. It can be challenging to find a spare keyboard because the laptop is so old. Average Price for a New Laptop Keyboard. Laptop keyboards normally cost $10–60 online, but depending on the aforementioned variables, they can cost $20–100 or even more in a computer repair shop.