Minimum price would be around £40.000 for all UK modular. Some might quote you less, but how long is a piece of string? All depends, heard of people needing 100 hours for their PPL, and then doing another 50 hours for their CPL.
So one never knows. Myself I would recommend Stapelford, they have a good reputation, and from my personal experience they seem to run a clean and fair business. But sure there are many others too.
Problem with USA, it is hard to see between the glossy adverts and who offers the real deal. Good luck.