Can I buy tickets on the day? All tickets, including redemption of Promotional Vouchers, must be purchased in advance online. Please visit here to book your tickets online. More information regarding Promotional Vouchers can be found here. Related articles How much are tickets on the day? How do I redeem my voucher or discount? I have a voucher, how do I use this? Do I need to wear a face covering? Can I pre-book using a LEGOLAND Annual pass, Merlin Annual Pass or Merlin Membership Pass?