To get to Morocco... you can take the plane or go by car. It takes only 3 hours by plane but you should be prepared for 2 days of driving if you plan to go by car.
Flight companies:
www.royalairmaroc.com (quite cheap if you reserve early)
www.atlas-blue.com (the low cost of the RAM company)
www.easyjet.com (From: London - Gatwick)
www.ryanair.com (From: London - Luton)
www.thomsonfly.com (From Manchester)
Have a nice travel!