congress plaza hotel3.5 out of 5 downtown chicago price was $556, price is now $385 per person $385 per person nov 21 - nov 25 found 1 day ago roundtrip flight included atlanta (atl) to chicago (ord) book a stay at this business-friendly hotel in chicago. enjoy free wifi, 2 restaurants, and 2 bars/lounges. our guests praise the helpful staff and the clean rooms in our reviews. popular attractions grant park and millennium park are located nearby. the location is great, and the lobby is ornate, but the rooms have not been updated for decades , and i would expect more for the price. reviewed on oct 17, 2025