Billund Airport (Danish: Billund Lufthavn) (IATA: BLL, ICAO: EKBI) is an airport in Denmark. Located 1 nautical mile (1.9 km; 1.2 mi) northeast of Billund, it serves as one of the country's busiest air cargo centres, as well as a charter airline destination. Most major European airports are connected to Billund via multiple daily scheduled flight and Billund park is the largest tourist attraction in Denmark outside Copenhagen.

Billund Airport is west Denmark's international airport located in Billund and Denmark's second-largest airport after Copenhagen Airport.