The first free-agent wide receiver is reportedly off the board.
Robinson told ESPN's Josina Anderson on Tuesday he'll sign a three-year deal worth $42 million.
The former Jaguars receiver recorded only one catch in 2017 before suffering a torn ACL that cost him his season. Jacksonville allowed him to hit free agency instead of using the franchise or transition tag on him.
At 24 and with a 1,400-yard season to his name, Robinson was thought to be one of the more sought-after receiver targets. He has 22 career touchdowns.
He credited the Bears' hiring of Matt Nagy as head coach as a big reason for him choosing them as his destination.
"I like what coach (Matt) Nagy did from an offensive standpoint in Kansas City. Me being able to see what he did in KC, being able to know that he is an offensive-minded coach and seeing what he's done before (helped me)," Robinson told Anderson.