The 31-year-old has failed to make an impact at Stamford Bridge this season and could leave the club this summer.
Inter boss Jose Mourinho is keen on a reunion with the former Porto playmaker at the San Siro.
“I am not going to deny that there has been contact, but nothing definite,” Deco said in The Sun.
“It’s a solution that I look upon positively, obviously, and it would be a pleasure to meet again with Mourinho, but I don’t want to go into details as I’m not the one dealing with the matter.”
