At the 2005 Ski Jumping World Championships, Ljøkelsøy won a silver medal on the individual large hill and a bronze on the team large hill. In 2006, he retained his Ski Flying World Championship in Kulm, winning with over twenty points to the next competitor, despite feeling ill. The next day, he led the Norwegian team to victory in the team event, together with Ingebrigtsen, Romøren and Lars Bystøl. At the 2007 Ski Jumping World Championships in Sapporo, Ljøkelsøy won silver on the team large hill and bronze on the individual large hill.