Welcome to Liege Airport (LGG). Before you start exploring, it’s a smart idea to learn some basic facts about where you’re headed. So unfold your map, pick up a pen and listen up.Once you’ve collected your belongings from the luggage carousel at Liege Airport (LGG), start the engine of your rental car and make your way into Brussels. The central area is situated 50 miles to the west of the airport terminal.