Special Events

From large conventions to intimate celebrations, Hyatt Regency O’Hare Chicago can accommodate your occasion in style, including the largest ballroom outside of Chicago. For small meetings and events, our Conference Hub offers many breakout rooms, conveniently connected by a naturally lit networking space.

Total Sleeping Rooms


Largest Space

31,000 sq ft

Virtual Tours


Hyatt Regency O’Hare Chicago offers traditional event spaces to inspiring rooftop venues in an aesthetically unique space. For additional event space, our hotel is directly connected via skywalk to the Donald E. Stephens Convention Center.




Celebrate your way in some of the most impressive wedding venues in Rosemont, with the support of dedicated full-service planning and culinary teams to handle every last detail of your special day.


Group meeting


Gather in the largest hotel outside Chicago with 110,000 square feet of event space, state-of-the-art audiovisual and tech support, and easy access to the Donald E. Stephens Convention Center.


Wedding Setup


From corporate meetings to large social galas, Hyatt Regency O’Hare’s meeting and event space can be transformed to accommodate any size gathering.


Enhance your meeting or event with Hyatt Regency O’Hare Chicago’s personalized culinary service. Expert chefs prepare a menu of fresh regional cuisine to accommodate plated or buffet lunches, served or passed hors d’oeuvres, and creative or themed menus.

Satisfy your guests’ individual tastes with our Personal Preference Dining® program, offering the option for guests to choose entrees from a pre-selected menu curated by you.