I mainly learned flamenco guitar (I had never played guitar before) through YouTube videos. But when I learned the most (and very quickly) was when I took some online flamenco guitar lessons.
Here are some fantastic teachers who teach flamenco guitar online on Skype or Zoom:
Speaks in English and French
Speaks in English, Italian and Spanish
Speaks in English and Spanish
Here is an example of a chord progression that I play and that you will find in the PDF :