The pair were called into England's Under-21 squad for this week's European Championship qualifying games against Scotland and Andorra.
But with Fabian Delph forced to pull out of Gareth Southgate's senior squad through injury, Winks was sworn in, in the Manchester City man's place.
The Tottenham academy product has started three of the club's last four games in all competitions, having recovered from an injury suffered in April.
And Southgate is clearly impressed, selecting Winks above previous call-ups Jonjo Shelvey, Jack Wilshere and James Ward-Prowse. According to Chilwell, Winks has never been so happy.
The Leicester player posted the following on Twitter:
Winks becomes the fifth Tottenham player in England's squad to face Slovenia and Lithuania, after Kieran Trippier, Dele Alli, Eric Dier and Harry Kane.
Chilwell's Leicester teammate Harry Maguire is also included.
Does the Tottenham youngster deserve his call-up?