Check out your options re: flying in here
https://en.wikipedia.org/wiki/F%C3%A...C3%AFs_Airport
Fez is 3h away from Rabat, 4h away from Casablanca by train. That's pretty well connected - flights will not be competitive for domestic traffic.
Plenty of LCCs flying point-to-point from Europe, covering the majority of the leisure traffic.