Chicago O'Hare International Airport is located in the heart of Chicago just a few miles from downtown and the Chicago Loop. O'Hare is one of the worlds busiest airports. Flights come in from more than 60 countries around the world. The Airport itself is a Jem, O'Hare continually wins awards are praise from Travel critics and magazines. If youre lucky enough to step foot in this mega airport be sure to take in the architecture and interior design.