Jhon Duran was due to arrive in England on Wednesday to undergo a medical.
Per the Express and Star, Duran will then sign a contract to complete his £14.75 million move to Villa.
The 19-year-old is at the Under-20 Championship in South America.
It was initially expected that he would undergo a medical in Colombia, but he is now traveling to England.
The Colombian FA confirmed that Duran is heading to England, but that he will come back for the tournament.