VivaAerobus Flight Cancellations are free of charge, as long as travelers demand it in no less than 24 hours after the acquisition of their ticket and with no less than 7 days before the date of the flight.If travelers miss this 24 hour time frame, Travelers' ticket becomes non-refundable. Be that as it may, travelers actually have a couple of different choices on the off chance that they can't utilize their Internet flight.