This article will examine the most effective ways to VivaAerobus Flight Change Policy Firstly, Visit the official website of "VivaAerobus" or "https://www.vivaaerobus.com/en". Then, you have to click on " My Flights" or " Modify My Reservation". Fill in your details like " Last name" & " Reservation code". After filling in your personal details then click"Search" " Search" button. Now, you need to select your preferred choice to determine what you need to change on your travel reservation. Continue with the instructions and change your reservation.