What is online best price guarantee? For the best price, book online at least 24 hours in advance of your visit. Please click here to be redirected to our Ticket page. Related articles How do I use my Kellogg's voucher online? How do I redeem a 2 for 1 voucher at Legoland Discovery Centre Birmingham? Why do prices vary depending on the time of my visit? Do I get a discount by booking online?