Howard recently approached the club with regards to a possible return following his release from Portsmouth in the middle of last month.
Flitcroft said at the time that he was keen on exploring the possibilities of a deal, but is now in no rush to bring back the club's former skipper.
"I've spoken to his people and at the minute we've cooled off," said Flitcroft. "It's possibly down to the emergence of Kelvin Etuhu and his form and I've got Rory (Delap) now who can come in there.
"So at the minute we're quite comfy in what we're doing. I definitely don't want to unsettle the group, but you're only one injury away from having to find that replacement.
"It's something I could revisit at a different point, but with the FA Cup coming up and everything it won't be in the next 10 days."
Howard, a fans favourite during his three-and-a-half years at Oakwell, joined the club from Swindon in 2005 and scored the 90th-minute winner for Barnsley at Anfield in February 2008 that knocked Liverpool out of the FA Cup.