Can I change my flight on VivaAerobus? - viva aerobus phone number

Yes, Viva Aerobus allows you to change your flight (+１－８６６-８２９-１７５５). You can adjust your flight's route, date, or time up to 4 hours before the scheduled departure time if you purchased a Light or Smart fare. You'll only need to cover the fare difference if the new flight is more expensive.