Avianca Airlines cancellation policy is well known for its clear and concise change flight policy. The traveller must follow the conditions and restrictions outlined in the airline’s fare or refund policy in order to be eligible for a full refund from the firm. If a flight is cancelled within the allotted window of time, passengers anticipate receiving a full refund. The airline may start a complete refund process for the cancelled flight if a traveller cancels their reservation within 24 hours of making it.