After commissioning, Broadbill reported at Boston, Massachusetts to the Commander, Service Force, Atlantic Fleet.

On 11 April 1944, she got underway for England where she conducted numerous practice sweeps in preparation for the invasion of Normandy.

She then proceeded to Naples, via Oran, Algeria, and conducted sweeping operations in the Ligurian Sea, Strait of Bonifacio, and around Sardinia and Corsica.

On 28 May 1945, Broadbill, in company with Mine Division 21, departed for Norfolk, Virginia, where she underwent repairs until 30 August 1945.

On 17 September 1945, in company with Service Squadron 5, Broadbill got underway for San Pedro, California.