The Aon Center is a modern supertall skyscraper located in the Northeast corner of the Chicago Loop, Chicago, Illinois, United States. It was designed by a partnership between architecture firms Edward Durell Stone and Perkins and Will and was completed in 1973 as the Standard Oil Building. With 83 floors and a height of 1,136 feet (346 m), it is the fourth-tallest building in Chicago, surpassed in height by the Willis Tower, Trump International Hotel and Tower, and St. Regis Chicago.
Best time to visit
Aim for Jun–Nov, the 6 months that line up best.
Pairs well with
Frequently asked questions
When is the best time to visit Aon Center?
The best time to visit Aon Center is June–November, in Chicago, United States.
Where is Aon Center?
Aon Center is in Chicago, United States.
What is Aon Center known for?
The Aon Center is a modern supertall skyscraper located in the Northeast corner of the Chicago Loop, Chicago, Illinois, United States. It was designed by a partnership between architecture firms Edward Durell Stone and Perkins and Will and was completed in 1973 as the Standard Oil Building. With 83 floors and a height of 1,136 feet (346 m), it is the fourth-tallest building in Chicago, surpassed in height by the Willis Tower, Trump International Hotel and Tower, and St. Regis Chicago.

