Do I need to pay airport check-in fee for the flights of Azerbaijan Airlines? October 01, 2019 12:18 Updated Check-in at the airport for all flights of Azerbaijan Airlines is a free service. Related articles When does online check-in on your website begin? When does flight check-in at the airport begin? I checked in for a flight online, but I have baggage. Do I have to wait in lines again for check-in at the airport? What should I do if I am late for checking in or boarding a flight? I have a transfer flight through separate terminals of the Heydar Aliyev International Airport. Do I need a transit visa?