Heathrow Airport (/ ˌ h iː θ ˈ r oʊ, ˈ h iː θ r oʊ /), originally called London Airport until 1966 and now known as London Heathrow (IATA: LHR, ICAO: EGLL), is a major international airport in London, England. With Gatwick, City, Luton, Stansted and Southend, it is one of six international airports serving London. The airport facility is owned and operated by Heathrow Airport .