How much will it cost me to put the same desplays as what I had before

The cost of replacing the front screen display from Apple, in the US, is $199 for an iPhone 11.

More information here 👉 iPhone Screen Replacment - United States.

Axel F.

Keep in mind that if you already had the display replaced by an unauthorized service provider, or did it yourself, Apple may refuse to service your phone at all.