Entrance fees to Machu Picchu vary depending on the time of year and the type of ticket purchased. As of 2021, the general admission price for adults is approximately $60 USD, while students (with a valid ID) and children (under 18) pay a reduced price. In addition, there are several options for visiting Machu Picchu, including tickets that provide additional access to certain areas of the site. It is recommended to buy tickets in advance to ensure availability and avoid long lines at the entrance.