Tickets for Castel Sant'Angelo can generally be booked several months in advance. On the WeGoTrip website, you can conveniently book tickets without additional fees, offering peace of mind and guaranteeing your entry well ahead of your visit. WeGoTrip is not just a ticket marketplace but also a platform where you can find an array of self-guided audio tours crafted by local experts and museums to enrich your travel experience with the WeGoTrip app.