Travel
Both O'Hare (ORD) and Midway (MDW) are convenient. The El is a great way to get to the loop and avoid traffic.
Check Spot Hero and other parking apps for cheaper parking options near the hotel, some include In & Out option.
Hotel
Hyatt Regency Chicago
151 East Wacker Drive, Chicago, IL 60601
Wedding Room Block (book by 8/21/26) Rate: 1 King $269 or 2 Queens $289 - $25 for triple occupancy, $50 for quad occupancy - Destination Fee waived - 3:00 PM Check In, 12:00 PM Check Out - Cancel without penalty within 72 hours Reservations via https://www.hyatt.com/events/en-US/group-booking/CHIRC/G-RESW or call (312) 565-1234 or 877-803-7534 Hotel is ~10 minute walk (0.5 miles) to venue across the river.
For all the days along the way