Commuters can use the Lufthansa Free baggage calculator to find out how much baggage they can bring for free when they fly with them. In economy class and premium economy class, one bag can't weigh more than 23 kg. Above that, Lufthansa Airline charges a fee for the bag, and the widest it can be is 158 cm. With Lufthansa's multiple flight booking, each person can bring the same number of bags as before.