Chicago/Rockford International Airport is served by 5 airlines, flying from/to 15 destinationsLongest flight from Chicago/Rockford International Airport is Chicago/Rockford to 🇺🇸 Anchorage (ANC), which takes around 5 hours and 55 minutes. On an airline like Amerijet International. More info on this flight route (RFD-ANC).Shortest flight from Chicago/Rockford International Airport is Chicago/Rockford to 🇺🇸 St Louis (STL), which takes around 50 minutes. On an airline like UPS Airlines. More info on this flight route (RFD-STL).