Commercial traffic in and out of the 'Windy City' of Chicago, Illinois, primarily flies through two airports, namely O'Hare International (ORD) and the smaller Midway International (MDW). However, did you know that a third airport also bears the city's name? Situated around 68 miles (109 km) to the northwest of Chicago, Rockford International Airport (RFD) handles certain low-cost flights to leisure destinations.