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Hilton Chicago O'Hare Airport
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Meetings and events
We’re in the grounds of Chicago O’Hare Airport, the ideal location for Chicago meetings and conferences. We offer flexible event space, A/V capabilities, planning and catering professionals, and small meeting packages.
- Total event space43,937sq. ft.
- Largest room setup3,510sq. ft.
- Meeting rooms68
- Guest rooms860
Reserve hotel rooms
Instantly reserve between 10-25 hotel rooms for your group. Your guests can pay for their rooms later.Host an event
Submit your event details to find out what we can offer.Book meeting space
Find a book meeting space for up to 35 people.Create an attendee website
Build a free custom page and share the link with your guests so they can book their rooms.
Conferences and Meetings
Our business traveler-focused hotel is the perfect place to hold your next meeting, training session, conference or seminar. With banquet space and meeting rooms – including a renovated executive boardroom – as well as on-site catering and planning professionals, every need is covered.
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Capacity chart
Chart displays number of guests per room layout.
| Event Room Name | Banquet | Conference | Square | Reception | School Room | Theatre | U-Shape |
|---|---|---|---|---|---|---|---|
| Grand BallroomSquare Feet: 3,510 | 21 | 90 | 90 | 250 | 190 | 400 | 82 |
| ChicagoSquare Feet: 2,660 | 100 | 44 | 44 | 100 | 80 | 120 | 40 |
| International Center and EastSquare Feet: 2,550 | 14 | 46 | 46 | 200 | 80 | 230 | 40 |
| Orchard Room A/BSquare Feet: 2,500 | 100 | 40 | 46 | 120 | 84 | 123 | 40 |
| ParisSquare Feet: 2,484 | 21 | 40 | 40 | 240 | 80 | 200 | 35 |
| International BallroomSquare Feet: 2,475 | 18 | 70 | 70 | 360 | 160 | 360 | 76 |
| Orchard RoomSquare Feet: 2,250 | 10 | 46 | 46 | 150 | 80 | 200 | 40 |
| Rome/Sydney/Tokyo/ZurichSquare Feet: 2,156 | 16 | 80 | 80 | 180 | 100 | 190 | 70 |
| International Center and WestSquare Feet: 1,900 | 20 | 75 | 76 | 280 | 110 | 300 | 70 |
| Rome/Sydney/TokyoSquare Feet: 1,584 | 12 | 60 | 60 | 140 | 86 | 135 | 55 |
| Sydney/Tokyo/ZurichSquare Feet: 1,584 | 12 | 60 | 60 | 140 | 86 | 135 | 55 |
| Paris A/B or B/CSquare Feet: 1,514 | 10 | 30 | 30 | 140 | 50 | 140 | 25 |
| Orchard BSquare Feet: 1,450 | 100 | 40 | 46 | 120 | 84 | 120 | 40 |
| International WestSquare Feet: 1,275 | 8 | 60 | 60 | 120 | 70 | 150 | 50 |
| International CenterSquare Feet: 1,224 | 4 | 30 | 30 | 100 | 50 | 100 | 25 |
| International EastSquare Feet: 1,122 | 5 | 35 | 35 | 100 | 40 | 115 | 35 |
| Athens/BerlinSquare Feet: 1,056 | 8 | 40 | 46 | 95 | 50 | 88 | 34 |
| Dublin/LondonSquare Feet: 1,056 | 8 | 40 | 40 | 95 | 50 | 88 | 34 |
| Rome/SydneySquare Feet: 1,056 | 12 | 40 | 40 | 95 | 50 | 88 | 34 |
| Sydney/TokyoSquare Feet: 1,056 | 8 | 40 | 40 | 95 | 50 | 88 | 34 |
| Tokyo/ZurichSquare Feet: 1,056 | 8 | 40 | 40 | 95 | 50 | 88 | 34 |
| Paris ASquare Feet: 874 | 7 | 36 | 36 | 90 | 40 | 90 | 30 |
| Paris CSquare Feet: 874 | 7 | 36 | 36 | 90 | 40 | 90 | 30 |
| Orchard ASquare Feet: 819 | 50 | 24 | 24 | 50 | 30 | 60 | 20 |
| 2025Square Feet: 666 | 50 | 30 | 30 | 50 | 25 | 40 | 30 |
| 2027Square Feet: 666 | 50 | 30 | 30 | 50 | 25 | 45 | 30 |
| 2029Square Feet: 666 | 50 | 30 | 30 | 50 | 25 | 45 | 30 |
| 2033Square Feet: 666 | 50 | 30 | 30 | 50 | 25 | 45 | 30 |
| 2049Square Feet: 666 | 0 | 26 | 0 | 0 | 0 | 0 | 0 |
| 2051Square Feet: 666 | 50 | 30 | 30 | 50 | 25 | 45 | 30 |
| Paris BSquare Feet: 640 | 5 | 30 | 30 | 50 | 30 | 50 | 24 |
| AthensSquare Feet: 528 | 4 | 20 | 20 | 45 | 26 | 50 | 18 |
| BerlinSquare Feet: 528 | 4 | 20 | 20 | 45 | 26 | 50 | 18 |
| DublinSquare Feet: 528 | 4 | 20 | 20 | 45 | 26 | 50 | 18 |
| LondonSquare Feet: 528 | 4 | 20 | 20 | 45 | 26 | 50 | 18 |
| MadridSquare Feet: 528 | 4 | 20 | 20 | 45 | 20 | 50 | 16 |
| RomeSquare Feet: 528 | 4 | 20 | 20 | 45 | 26 | 50 | 18 |
| SydneySquare Feet: 528 | 4 | 20 | 20 | 45 | 26 | 50 | 18 |
| TokyoSquare Feet: 528 | 4 | 20 | 20 | 45 | 26 | 50 | 18 |
| ZurichSquare Feet: 528 | 4 | 20 | 20 | 45 | 26 | 50 | 18 |
| State RoomSquare Feet: 468 | 0 | 18 | 18 | 0 | 20 | 35 | 16 |
| 2001Square Feet: 432 | 0 | 14 | 0 | 0 | 0 | 0 | 0 |
| 2002Square Feet: 432 | 0 | 14 | 0 | 0 | 0 | 0 | 0 |
| 2004Square Feet: 432 | 0 | 14 | 0 | 0 | 0 | 0 | 0 |
| 2006Square Feet: 432 | 0 | 14 | 0 | 0 | 0 | 0 | 0 |
| 2012Square Feet: 432 | 0 | 14 | 0 | 0 | 0 | 0 | 0 |
| 2013Square Feet: 432 | 0 | 16 | 0 | 0 | 0 | 0 | 0 |
| 2014Square Feet: 432 | 0 | 16 | 0 | 0 | 0 | 0 | 0 |
| 2015Square Feet: 432 | 0 | 16 | 0 | 0 | 0 | 0 | 0 |
| 2016Square Feet: 432 | 0 | 16 | 0 | 0 | 0 | 0 | 0 |
| 2017Square Feet: 432 | 0 | 16 | 0 | 0 | 0 | 0 | 0 |
| 2018Square Feet: 432 | 0 | 16 | 0 | 0 | 0 | 0 | 0 |
| 2026Square Feet: 432 | 0 | 16 | 0 | 0 | 0 | 0 | 0 |
| 2028Square Feet: 432 | 0 | 16 | 0 | 0 | 0 | 0 | 0 |
| 2030Square Feet: 432 | 0 | 16 | 0 | 0 | 0 | 0 | 0 |
| 2032Square Feet: 432 | 0 | 16 | 0 | 0 | 0 | 0 | 0 |
| 2034Square Feet: 432 | 0 | 16 | 0 | 0 | 0 | 0 | 0 |
| 2036Square Feet: 432 | 0 | 16 | 0 | 0 | 0 | 0 | 0 |
| 2038Square Feet: 432 | 0 | 16 | 0 | 0 | 0 | 0 | 0 |
| 2041Square Feet: 432 | 0 | 16 | 0 | 0 | 0 | 0 | 0 |
| 2043Square Feet: 432 | 0 | 16 | 0 | 0 | 0 | 0 | 0 |
| 2044Square Feet: 432 | 0 | 16 | 0 | 0 | 0 | 0 | 0 |
| 2045Square Feet: 432 | 0 | 16 | 0 | 0 | 0 | 0 | 0 |
| 2046Square Feet: 432 | 0 | 16 | 0 | 0 | 0 | 0 | 0 |
| 2047Square Feet: 432 | 0 | 16 | 0 | 0 | 0 | 0 | 0 |
| Erie RoomSquare Feet: 396 | 0 | 18 | 18 | 0 | 20 | 35 | 16 |
| 2040Square Feet: 384 | 0 | 12 | 0 | 0 | 0 | 0 | 0 |
| 2003Square Feet: 374 | 0 | 14 | 0 | 0 | 0 | 0 | 0 |
| 2007Square Feet: 374 | 0 | 14 | 0 | 0 | 0 | 0 | 0 |
| 2008Square Feet: 374 | 0 | 14 | 0 | 0 | 0 | 0 | 0 |
| 2009Square Feet: 374 | 0 | 14 | 0 | 0 | 0 | 0 | 0 |
| 2010Square Feet: 374 | 0 | 14 | 0 | 0 | 0 | 0 | 0 |
| 2011Square Feet: 374 | 0 | 14 | 0 | 0 | 0 | 0 | 0 |
| 2020Square Feet: 374 | 0 | 14 | 0 | 0 | 0 | 0 | 0 |
| 2042Square Feet: 374 | 0 | 14 | 0 | 0 | 0 | 0 | 0 |
| 2048Square Feet: 374 | 0 | 16 | 0 | 0 | 0 | 0 | 0 |
| 2005Square Feet: 288 | 0 | 5 | 0 | 0 | 0 | 0 | 0 |
| MichiganSquare Feet: 168 | 0 | 6 | 0 | 0 | 0 | 0 | 0 |
| SuperiorSquare Feet: 168 | 0 | 6 | 0 | 0 | 0 | 0 | 0 |
| HuronSquare Feet: 120 | 0 | 10 | 0 | 0 | 0 | 0 | 0 |
| OntarioSquare Feet: 56 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |