Can teenagers under 18 travel alone? JeanetteAuthor A Can teenagers under 18 travel alone? From the age of 15, individuals are considered adults in our ticket system and can travel alone. Related articles Preikestolen day trip from Stavanger: Why the journey matters Dear B-People: Preikestolen Has an 11am Bus and It Has Your Name On It Is Kjerag harder than Preikestolen? How to choose your Stavanger hike