Yes, most hotel reservations are fully refundable if cancelled before the accommodation's cancellation deadline, which in most cases is within 24 or 48 hours of your check-in date. If you have a non-refundable reservation, you might be able to cancel it and get a refund within 24 hours of your booking. Plug in your dates, click on "Search", then you can filter by "fully refundable" to view the best deals available near Bastion of Santiago Museum.