The charges for changing a flight with Volaris can vary depending on several factors, including the type of ticket, fare rules, and the specific details of your booking. Volaris offers different fare classes with varying change fees and policies. Typically, changes made to flights with Volaris may incur a change fee along with any fare difference between the original and new flight. To get the most accurate information about the charges for changing your flight, it is recommended to visit Volaris' official website, review their fare rules and policies, or contact their customer service directly. They will be able to provide you with the specific details based on your booking.