Many low cost airlines companies fly from Europe (UK, Belgium, France, Spain and Italy) to the airport of Fes. Please check the hereafter websites : http://www.jet4you.com/, http://www.ryanair.com/site/FR and http://www.atlas-blue.com/.
From Fes airport, take a taxi and go towards the medina.
Stop at Bab Guissa (car park) or at the Jamai Palace Hotel. It’s 5 minutes on foot from there. You will find the riad on the Andaloucian touristic trail, right next to Sidi Ahmed Ben Yahya Mosque (not in use) at the end of a cul de sac.
The exact address is: Dar Aladin- House n° 45, Derb Sidi Ahmed Ben Yahya- Foundouk Lihoudi- Fes - Morocco