It was initially formed during World War I on 1 September 1917 but it did not become operational and was disbanded one year later in August 1918.

The unit was reformed in October of the same year to be equipped with Sopwith Dolphins but was again disbanded only a month later.

93 Squadron was then reformed on 7 December 1940 and operated Turbinlite-equipped Bostons from RAF Burtonwood, making night attacks and towing aerial mine charges with steel cables.

[1] It was reformed on 15 November 1950 at RAF Celle, Germany flying De Havilland Vampire fighter-bombers.

[1] The squadron was reformed again in 1952 and operated from RAF Jever in Germany flying Vampires, North American F-86 Sabres and Hawker Hunters before being disbanded in 1960.