Avianca Airlines offers various services to travelers, one of which is LifeMiles, which anyone can get by enrolling in its LifeMiles program or even by purchasing it. Moreover, to claim Avianca Life Miles, first visit its official website. Now, log in to the account using the credentials and click on the LifeMiles options. Further, choose the "redeem your miles" icon, then select the "missing miles" icon. Lastly, fill in the required details and submit it; the miles will be credited to the account once it gets verified. For further insights about the LifeMiles Program, check out the blog link provided by the Airlines Group Travel website.