Being an aarp member saves memories for your next trip and enjoys more travel flexibility such as late check-out (if available). Their promises to you: Hilton Hotels CleanStay: Cleaner accommodation for you, flexible bookings: Adjust most bookings up to 24 hours before arrival, and their best deals: Save up to 10% when booking directly on the official website. If you're not already a Hilton Honors member, don't forget to join before you check in.