Upgrade Travel Option (UTo) Upgrade to AirAsia X Business Class for less! Introducing Upgrade Travel option (UTo), the new choice for upgrading your Economy seats to AirAsia X Business Class and letting you fly in high fashion style. When you upgrade to AirAsia X Business Class(1) you’ll enjoy the comfort of a FlatBed, a scrumptious hot meal, exclusive priority check-in and priority boarding as well as an early baggage claim on arrival(2). Only a limited number of options are offered for each flight based on availability of AirAsia X Business Class seats and other factors, hence an UTo sign-up does not guarantee an upgrade. Keep participating in UTo to increase your chances to receive an upgrade! Click here for Upgrade Book your Economy Seats Head to Optiontown Website Select the UTo/ESo Option Retrieve Your Booking Pay Sign up & Nominal Upgrade Fee(3) Receive Email for UTo/ESo status. Refund if Non Successful Alternatively: Call the AirAsia X Premium Customer Service Line (1) You will be notified 1-3 days prior but no later than 4 hours before the scheduled flight departure. (2) Service may vary depending on the airport of departure and length of flight. (3) Upgrade & Upgrade Fees are subject to availability and constantly updated. Sign up fee is non refundable.