If you don’t have WhatsApp application in your phone, then you can also contact them via availability of WhatsApp option at Avianca Airlines website. And for the further procedure you can look at the below steps:

·       Go to the main website of Avianca Airlines on your web.

·       Click on the “contact us” option at the bottom of the home page.

·       After clicking on contact us option, you will redirect to a new page.

·       You will see an option of “WhatsApp support” click on that.

·       After that you can press the “continue to chat” option at the new page.

·       Start typing your query in the chat box and wait for the reply to your query.

Visit: How can I talk to someone at Avianca Airlines?