His league and championship careers as a goalkeeper with the senior Louth and Cavan county teams lasted ten seasons from 1955 until 1964.
He first played competitive Gaelic football with the Dundalk Young Irelands club at minor level.
He won a North Louth minor championship medal in 1950, before joining the senior team in 1953.
After transferring to the Cavan senior team in 1961, Flood went on to win an Ulster and Dr. McKenna Cup medals.
[4] As a member of the Leinster inter-provincial team, Flood won a Railway Cup medal in 1959.