You can consult these sites for Ticket Prices we at Italy car service are looking to make your stay in the area and the tours easy and cost effective also buying from the sites below that take a min commission rate.
Website to buy online
Pompeii Tickets €13 per person
Herculaneum Tickets €13 per person
Mount Vesuvius Tickets €10
Coliseums/ Roman Furom
Vatican webisite
Vatican Ticket €20 adults
Sistine Chapel and Museum
Children under 18 €10
Tickets for the Florence Musuem
Can buy all online from
https://www.ticketsflorence.com/it/biglietti-musei-firenze/galleria-dell-accademia-biglietti
The Royal castle and the Museum of Naples
A list of all the car services in Italy we provide starting from the cities below