He spent the latter part of last season on loan to Fiorentina and has expressed a desire to play in Europe once again.
According to Sky Sports, Watford will try and secure the move before this weekend.
It had previously been reported among Italian media sources that Villa were close to signing the former West Ham playmaker.
Manager Tim Sherwood is seeking further recruits ahead of the new season - having already landed seven men in the transfer window.
Watford the perfect club for me - Flores [AMBIENT]
Invalid email
We use your sign-up to provide content in ways you've consented to and to improve our understanding of you. This may include adverts from us and 3rd parties based on our understanding. You can unsubscribe at any time. Read our Privacy Policy