According to reports, the pregnant reality star will touch down at Worthy Farm via helicopter following her business commitments in France this week.
Rapper Kanye will headline the Pyramid Stage on Saturday.
A source told The Sun that Kim, 34, has hired a VIP Winnebago for the night and will play host to family and friends including Kendall and Kylie Jenner, Kylie's rapper boyfriend Tyga and Formula One driver Lewis Hamilton.
Another insider told Daily Star: "An offer has been made [for Lewis] to watch Kanye at the side of the stage. Lewis has become part of the family. It's no secret Lewis is a massive Kanye fan."
Lewis was linked to Kendall earlier this year.
Meanwhile, Kim has been over in France this week to speak at the Cannes Lions creativity conference about the success of her app Kim Kardashian: Hollywood and her massive social media presence.
All you need to know about Kim Kardashian: