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Event Rooms

34678 SQ FT

Total Event Space


Capacity Largest Space


Breakout Rooms
Meeting Space Info

Meeting and Events

Delight out-of-town guests with our location near Chicago's O'Hare International Airport

Choose from 22 meeting spaces in Chicago comprising more than 34,000 sq. ft of event space
Seat up to 1,200 conference or function guests at our hotel with meeting space near O'Hare
Our talented culinary team is eager to create a custom menu for your corporate meeting
Plan seamless functions with event professionals at our meeting space in Chicago
Enhance your meeting with cutting-edge AV technology and on-site, expert technicians

Marriott Chicago O’Hare Meetings

Transform the way you meet at Marriott Chicago O’Hare, where redesigned spaces are arriving in early 2020. Our flexible, transformed spaces make the perfect place for your next meeting and event. Enjoy unparalleled service and unmatched savings just minutes from O’Hare Airport. LEARN MORE

Meeting Space Info
Meeting Space Info

Weddings and Occasions

Out-of-town guests appreciate Chicago wedding venue's proximity to the International Airport

Choose from our hotel's 22 wedding reception venues in Chicago, ideal for celebrations of all sizes
Host up to 1,200 guests in the Chicago Ballroom, our hotel's largest wedding venue
Let our experienced wedding planners handle every detail of your special day in Chicago
Trust our professional catering staff to create a memorable wedding banquet menu
Block book 10+ rooms when hiring our Chicago wedding reception venues for exclusive rates

Chicago Marriott O'Hare Weddings

The Chicago Marriott O'Hare offers the perfect setting to host the wedding of your dreams.

private dining austin
Rewarding Travel from start to Finish
Earn up to 60,000 points per qualified event with Marriott Bonvoy Events. Elite members earn more with bonus points.


Manage event details, make real-time requests and connect with our staff - from the palm of your hand.

Please note: all room sizes are approximate.

Frequently Asked Questions