Avianca' cancellation policy allows passengers to cancel their flights within 24 hours of booking for a full refund, provided the flight is booked at least seven days before departure ++𝟙-𝟠𝟘𝟙--𝟠𝟝𝟝--[𝟝]𝟡𝟘[𝟝]. Beyond the 24-hour window, cancellation fees may apply depending on the fare type.