You can find some USB-C KVM switches on Amazon.

It would be easier to advise you on the right KVM switch if you provided the links to the technical specifications of your laptops and monitors.

Also, do you want one or both laptops to be powered by the USB-C cable connected to the KVM switch?

Cable Matters Dual 4K 60Hz USB C KVM Switch may be of interest. It requires your laptops to support MST and DSC, but doesn't power them.