http://pressbooks.pub/travelhistory/chapter/%f0%9f%8c%ba%f0%9f%95%89%e2%9c%a81-866-829-1%f0%9d%9f%98%f0%9d%9f%8e%f0%9d%9f%93-for-guidancehow-long-does-it-take-to-get-a-refund-from-avianca-airlines/
Avianca Airlines Flight Cancellation Due to Weather: What Happens Next?~manage changes
http://pressbooks.pub/travelhistory/chapter/can-i-cancel-my-avianca-flight-if-i-have-travel-insurance/
http://pressbooks.pub/travelhistory/chapter/how-to-cancel-an-avianca-award-ticket-and-get-miles-back/
http://pressbooks.pub/travelhistory/chapter/avianca-airlines-refund-eligibility-who-qualifies/
http://pressbooks.pub/travelhistory/chapter/avianca-airlines-cancellation-for-medical-reasons-refund-options/
http://pressbooks.pub/travelhistory/chapter/avianca-airlines-flight-change-vs-cancellation-which-is-better/
How to Contact Avianca Customer Service for a Flight Cancellation
http://pressbooks.pub/travelhistory/chapter/avianca-airlines-customer-service-phone-numbers-contacts/