Check out the following sites for great rates on your Chicago hotel stay. These sites offer specially contracted discount rates that have beaten anything else I've found.

www.travelocity.com
www.expedia.com

Be forewarned in may cases these special prices are PREPAID, CANNOT BE CANCELLED/CHANGED AND ARE NOT REFUNDABLE!!!

Another site sponsored by the City is:www.877chicago.com or you can 1-877-CHICAGO. They include Hotels, event tickets, dining & shopping and other visitor services including maps.

Check out all three sites before you book. Prices vary widely from site to site.