How much does the Colosseum underground tour cost?

Children under 12 will take the tour for free. Those 12-17 will pay the same amount for the tour as adults do. The difference is that anyone under the age of 18 gets **into the colosseum for free**. You don’t need to purchase an entry ticket for them online. They can go in with you but you must stop at the special events desk to get their free ticket. You must show proof of age in order to get the free ticket. There is usually never a line at the special events desk. You can book the childrens tour tickets online at the same time you book the adult tickets. You will choose the 2€ euros tour option for those under 12 and the regular priced tour tickets for those 12 and older. You will need to show proof of age when picking up these tickets so be sure to order the correct ones as they give no refunds for incorrectly purchased tickets.