Bournemouth manager Eddie Howe has vowed to give his promotion heroes the chance to shine in the Premier League.
Wolves boss Kenny Jackett fears he will lose key winger Bakary Sako after his side missed out on a place in the play-offs.
The Dutch left-back has agreed his third spell with the Eredivisie club having also spent time in his homeland in the second half of the 2011/2012 season, along with all of the last campaign.
Van Aanholt, 22, is highly rated at Chelsea, who on Friday signed midfielder Marco van Ginkel from Vitesse, but he would face tough competition for places with Ashley Cole and Ryan Bertrand.
A statement on Vitesse's official website read: "Patrick van Aanholt will play again next season at Vitesse.
"The 22-year-old defender is hired for a season from Chelsea Football Club. Van Aanholt begins his third season in Arnhem."