How much does it cost to repair MacBook Pro

Tech Guy (Not affiliated with apple) here

On average, it could vary from 400-700 Dollars depending on the damage of the screen (if it is a retina display) and this is assuming this is without AppleCare coverage.

What is the model of your MacBook? I could give you a better estimate of how much it might cost. The model number is usually on the bottom.

And if you decide to repair your MacBook through apple, here is a link to get it serviced

Mac Service & Repair - Apple Support

As a work-around, Almost all MacBook Pro models can also support an external display as well as or in place of the built-in display.

what model-year MacBook Pro 13-in?

@NachiThePanda's estimates are fairly close for the US costs depending on the exact model of the laptop. However, the only way to know for sure what the repair cost will be is to have Apple or an Apple Authorized Service Provider examine the laptop to provide you with an estimate.