Directly at the airport, you can use self-service check-in kiosks, which are situated in the Terminal 1 and 2 departure lounges.

Check-ins at self-check-in kiosks is only possible for llisted below airlines:

Aegean Airlines
Aeroflot
Air Canada
Air France
Alitalia
Austrian Airlines
Azerbaijan Airlines
Belavia
Brussels Airlines
ČSA
Delta Airlines
Finnair
HOP!
Iberia
KLM
Lufthansa
SAS
Smartwings
Turkish Airlines
UP