Travel to ACS Fall 2026
Get ready to make the most of your time in Chicago! Whether you're booking flights, mapping out your route, or figuring out where to grab a bite between sessions, we've got everything you need to travel smart and arrive ready for ACS Fall 2026.
Meeting Travel Information
Dates
Sunday, August 23 - Thursday, August 27, 2026
Location
Technical Meeting Program, Registration, and Exhibits will take place at the McCormick Place Convention Center and surrounding hotels.
Midway International Airport (MDW) & O'Hare International Airport (ORD)
The Midway International Airport is located 20 minutes (11 miles) from McCormick Place, while O’Hare International Airport is located 30 minutes (18 miles) away from where the meeting will be held, and close to surrounding hotels.
Midway International Airport (MDW)
Airport Phone: +1 (800) 897-1910
O’Hare International Airport (ORD)
Airport Phone: +1 (800) 897-1910
Major airlines serving Chicago are Air Canada, Alaska, American, British Airways, Delta, Frontier, JetBlue, Southwest, Virgin Atlantic and United Airlines.
Get Travel Discounts
ACS has negotiated special travel discounts with the following partners. To get the best rates and avoid service fees, it is recommended to make reservations online.
Delta Airlines
Meeting Event Code: NY4SS
Phone: +1 (800) 328-1111
Delta Air Lines is pleased to offer special discounts for the American Chemical Society. Book your flights on the Delta website or call 1-800-328-1111 to book via phone.
You may also call Conferences and Events at 1-800-328-1111, Monday – Friday, 8:00 a.m. – 6:30 p.m. (EST) and refer to Meeting Event Code NY4SS
Please note there is not a service fee for reservations booked and ticketed via our reservation 800 number.
United Airlines
United Code: ZRCM 328842
Phone:+1 (800) 426-1122
United States and Canada passengers: Call your professional travel agency, book online with United or call United Reservations Meetings Desk at +1 (800) 426-1122 and provide the Z Code and Agreement Code (ZRCM, 328842). Booking fee is waived for all Meeting reservations.
Visa & travel information for international attendees
Find information on obtaining a U.S. visa, the visa waiver program for travelers from selected countries, and more.
Explore Chicago
Discover Chicago—a hub of innovation and culture, where beautiful lakefront views, diverse neighborhoods, and world‑class dining come together in a city alive with energy.
Support
Need Help? Contact us for registration, hotel, presenter support, or any other questions, or access helpful tips to get the most out of ACS Meetings.
