We can change an online flight reservation by going to the airline's website, then selecting Manage Booking.
You can choose to change your flight option by going to the booking section. Next, enter your booking number.
You can change your flight if the airline allows it. Follow the instructions online to confirm your booking.
You can also call an airline helpline number to changeyour flight reservation.
You can change your reservation by simply following VivaAerobus Flight Change Policy.