London Biggin Hill Airport — London, United Kingdom

London Biggin Hill Airport, coded BQH, sits southeast of central London at an elevation of 598 feet, where a single runway underpins operations. During the Second World War, Biggin Hill served as one of the Royal Air Force's key fighter stations during the Battle of Britain, and the airfield's wartime history remains a point of pride commemorated at a chapel and museum on the grounds. Today, BQH functions primarily as a hub for business and private aviation rather than scheduled airline service, handling corporate jets and charter flights that avoid the congestion of London's larger commercial airports. Its general aviation focus makes it a popular choice for travelers who prioritize speed and privacy over a wide range of route options.