Originally Posted by
ORDnHKG
Actually prior becoming Hilton is actually called Rosemont hotel, Sofitel is before that.
There are times it actually price out the same as Hilton ORD, if it is the same price, I would choose Hilton ORD instead, so that I can wake up a little later, as it doesn't even need a shuttle, just walk to checkin.
In my case the Rosemont was less than half the price of the airport Hilton.