What age is a child ticket and what age is a youth ticket By | October 12, 2016 | in Vote Up 0 Vote Down Answered Public Public Private Questions Anonymous asked October 12, 2016 I am travelling with my son from CDG to Eurodisney, he is under 3 does he need a ticket? 1 answer Vote Up 0 Vote Down Public Ben ⋅ Staff ⋅ October 13, 2016 Children under 3 don't need a ticket as long as they don't sit on a seat (i.e. sits on your lap). For children 4-11 years of age TGV prices are about half the adult ticket. No discounts for 12 years and above. #1 Please login or Register to Submit Answer Username or Email Address Password Remember Me