London Luton Airport , previously called Luton International Airport, is an international airport located east of the town centre in the Borough of Luton in Bedfordshire, England and is north of Central London. The airport is 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 six international airports along with London City and Southend.