Avianca Airlines allows travelers to enroll in its Lifemiles program. By joining this, passengers can earn miles on flying with them and their partner airlines. To claim the earned Avianca LifeMiles, visit the official Avianca Airlines website. Then, log in to the account and click on the Lifemiles options. Now, choose the "redeem your miles" option. Lastly, fill out the form correctly and submit it. Once the airline verifies the submission, the miles will be credited to your account.