Online Check-in for Avianca One of the most practical choices is the Avianca Check-in Online, particularly for those who want to skip the airport lines. Here's how to check in via the internet: Go to avianca.com. Select the "Check-in" tab. Put your last name and reservation code or ticket number here. Verify your check-in and select your seat. Your boarding pass can be downloaded or printed. The online check-in for Avianca opens twenty-four hours prior to the planned departure time and closes two hours before domestic flights and three hours before international flights. https://allairdetails.com/check-in/avianca-airlines-check-in/