#1. Airports near Lake Forest, IL Chicago O'Hare International Airport (ORD) 18 miles Weekly Flights: 6,403 Domestic Routes: 174 Delayed Flights: 21% Average Delay (hr): 1¼
#2. Airports near Lake Forest, IL Chicago Midway International Airport (MDW) 32 miles Weekly Flights: 1,675 Domestic Routes: 68 Delayed Flights: 29% Average Delay (hr): ¾
#3. Airports near Lake Forest, IL General Mitchell International Airport (MKE) 49 miles Weekly Flights: 625 Domestic Routes: 42 Delayed Flights: 16% Average Delay (hr): 1¼
#4. Airports near Lake Forest, IL Chicago-Rockford International Airport (RFD) 64 miles Weekly Flights: 13 Domestic Routes: 5 Delayed Flights: 20% Average Delay (hr): 1¼
#5. Airports near Lake Forest, IL South Bend International Airport (SBN) 87 miles Weekly Flights: 134 Domestic Routes: 13 Delayed Flights: 17% Average Delay (hr): 1½
#6. Airports near Lake Forest, IL Dane County Regional Airport-Truax Field (MSN) 98 miles Weekly Flights: 254 Domestic Routes: 25 Delayed Flights: 15% Average Delay (hr): 1½
#7. Airports near Lake Forest, IL Muskegon County Airport (MKG) 105 miles Weekly Flights: 14 Domestic Routes: 1 Delayed Flights: 16% Average Delay (hr): 1½
#8. Airports near Lake Forest, IL Kalamazoo-Battle Creek International Airport (AZO) 118 miles Weekly Flights: 54 Domestic Routes: 3 Delayed Flights: 13% Average Delay (hr): 1½
#9. Airports near Lake Forest, IL Gerald R Ford International Airport (GRR) 127 miles Weekly Flights: 333 Domestic Routes: 26 Delayed Flights: 17% Average Delay (hr): 1¼
#10. Airports near Lake Forest, IL Central Illinois Regional Airport at Bloomington-Normal (BMI) 133 miles Weekly Flights: 61 Domestic Routes: 8 Delayed Flights: 17% Average Delay (hr): 1¾
#11. Airports near Lake Forest, IL Appleton International Airport (ATW) 144 miles Weekly Flights: 81 Domestic Routes: 9 Delayed Flights: 14% Average Delay (hr): 1½
#12. Airports near Lake Forest, IL General Downing-Peoria International Airport (PIA) 144 miles Weekly Flights: 103 Domestic Routes: 12 Delayed Flights: 16% Average Delay (hr): 1½
#13. Airports near Lake Forest, IL Dubuque Regional Airport (DBQ) 146 miles Weekly Flights: 19 Domestic Routes: 1 Delayed Flights: 17% Average Delay (hr): 1
#14. Airports near Lake Forest, IL Quad City International Airport (MLI) 147 miles Weekly Flights: 97 Domestic Routes: 11 Delayed Flights: 16% Average Delay (hr): 1½
#15. Airports near Lake Forest, IL University of Illinois-Willard Airport (CMI) 153 miles Weekly Flights: 46 Domestic Routes: 3 Delayed Flights: 15% Average Delay (hr): 1¼
#16. Airports near Lake Forest, IL Green Bay-Austin Straubel International Airport (GRB) 156 miles Weekly Flights: 93 Domestic Routes: 6 Delayed Flights: 13% Average Delay (hr): 1½
#17. Airports near Lake Forest, IL Fort Wayne International Airport (FWA) 163 miles Weekly Flights: 136 Domestic Routes: 12 Delayed Flights: 17% Average Delay (hr): 1½
#18. Airports near Lake Forest, IL Capital Region International Airport (LAN) 171 miles Weekly Flights: 68 Domestic Routes: 3 Delayed Flights: 13% Average Delay (hr): 1½
#19. Airports near Lake Forest, IL Abraham Lincoln Capital Airport (SPI) 191 miles Weekly Flights: 35 Domestic Routes: 4 Delayed Flights: 17% Average Delay (hr): 1½
#20. Airports near Lake Forest, IL Indianapolis International Airport (IND) 192 miles Weekly Flights: 941 Domestic Routes: 46 Delayed Flights: 16% Average Delay (hr): 1¼