From The Airport Wiki

London Luton Airport (IATA: LTN, ICAO: EGGW) (previously called Luton International Airport)[3] is an international airport located on the edge of the town of Luton, Bedfordshire, England approximately 30 miles (48 km) north of London. The airport is 2 miles (3 km) from junction 10a of the M1 motorway. It is the fourth largest airport serving the London area after Heathrow, Gatwick and Stansted and is one of London's five international airports along with London City Airport.

In 2005, total passengers at London Luton increased by 21% to 9.1 million,[4] making it the UK's seventh-busiest airport and one of the fastest-growing major UK airports.[5] Growth slowed to 3% in 2006, when passengers totalled 9.41 million. The airport serves as a hub for easyJet, Monarch Airlines, Thomsonfly, Wizz Air, Silverjet and Ryanair.