Liege Airport previously called Liege-Bierset, is the international airport of Liege in Belgium, mainly focusing on air freight. At the end of 2015, it was the 8th biggest cargo airport in Europe and the 22nd biggest in the world.

The airport is located in Grâce-Hollogne, Liege Province, north-west of the city of Liege, in the east of Belgium. The first terminal on the site opened in 1930.

It is mainly used for freight/cargo operations, but also serves more than 23 destinations for passengers (mainly charters). Liege is located in the centre of the golden triangle Paris - Amsterdam - Frankfurt that handles 66% of European freight, and 75% when taken together with London. In 2014 it was the eighth-biggest cargo airport in Europe. Liege Airport is the biggest cargo airport in Belgium, and the third-biggest for passengers after Brussels Airport and Brussels South Charleroi Airport.