Would you like to change or reschedule your Avianca flight? Travellers frequently need to alter their flight due to a variety of circumstances, such as changes in plans, unforeseen circumstances, postponement of travel plans, illness, etc. The Avianca Change Flight process is comparatively simple and easy. Changes of any kind may be made without charge if made within 24 hours of the original booking. The traveller will have to pay the additional money to make adjustments to the initial reservation, though, if the fare price changes. Depending on the service class you have reserved, you could occasionally be required to pay a small fee for adjustments.