O Hare Intl Airport is 6 mile (10 km) from Chicago. The closest airports to ORD Airport are Midway (MDW) and General Mitchell (MKE). This Chicago airport offers several different options for cheap air travel through multiple discount airlines, including United Airlines (UA), Us Airways (US), and American Airlines (AA). Up-to-date airport service and airport transportation information is available through contacting O Hare Intl. If traveling overnight in Chicago, stay at cheap hotels nearby. Find hotel deals and cheap flights into O Hare Intl with Airfare.