The squadron moved to Hassani in Greece in September 1945, replacing its Bostons with de Havilland Mosquitos in June 1946. 55 Squadron disbanded in December 1946, and was removed from the RAF's Order of Battle.
In September 1945, the squadron relocated its operations to Hassani, Greece, replacing its Boston aircraft with Mosquitos by June 1946. The following year, 55 Squadron ceased to exist as a functional unit in December 1946, when it was no longer considered part of the RAF's military organization.