The 22-year-old midfielder has joined the newly promoted League One club on a six-month loan deal until January 3rd 2015.
Morris spent a successful time with Graham Alexander's side last season, spending the last three months of the campaign with the Cod Army as they clinched promotion courtesy of a 1-0 play-off final win over Burton Albion at Wembley.
During his time at Fleetwood Morris made 17 appearances, scoring twice. He also won the League Two player of the month for April.
Morris has permission to play for Fleetwood in this season's Capital One Cup and Johnstone's Paint Trophy.