Can you book Disneyland Hotel without park tickets?
You can book hotel only through various booking websites. Park tickets are only included if you book a hotel / tickets package with Disney either directly with them or through an agent.
How do I book a princess for a day at Disneyland Paris?
The "Princess for a day" package can be booked at the Gallery Mickey (Disneyland Hotel shop) or at the concierge of the Disneyland Hotel. Reservations must be made on site and cannot usually be booked in advance (from time to time it is possible at the hotline)
How much does a day at Disneyland Paris cost?
Depending on the day you visit, one day/one park tickets can go as low as $63/day. Even peak tickets will run you $101. By comparison, tickets at Disney World start at $109 and go up to $129 on peak days. And for anything more than a two-day visit, annual passes for Disneyland Paris look like a good deal.