A Lufthansánál utazás előtt mennyi idővel nyitják meg az online check-in-t?

Overview of the online check-in options with Lufthansa and its partners

From as early as 23 hours before departure you can check in here, select your seat and conveniently print out your online boarding pass or have it sent to your mobile phone - at home, in the office or en route, for yourself and any passengers travelling with you who are aged two or older.