The maximum size of your hand luggage is determined by Lufthansa carry on Luggage Size regulations. These dimensions guarantee that your bag will go beneath the seat or into the overhead bin. To prevent issues upon boarding, it's crucial to review Lufthansa's policies prior to your trip as the precise size restrictions may change based on your route or travel class. If your carry-on is too large, it may be checked and you may have to pay additional fees. To guarantee a seamless and economical flight experience with Lufthansa, it is imperative to adhere to the designated size range.