#1. Airports near Seneca, IL Chicago Midway International Airport (MDW) 56 miles Weekly Flights: 1,675 Domestic Routes: 68 Delayed Flights: 29% Average Delay (hr): ¾
#2. Airports near Seneca, IL Central Illinois Regional Airport at Bloomington-Normal (BMI) 59 miles Weekly Flights: 61 Domestic Routes: 8 Delayed Flights: 17% Average Delay (hr): 1¾
#3. Airports near Seneca, IL Chicago O'Hare International Airport (ORD) 60 miles Weekly Flights: 6,403 Domestic Routes: 174 Delayed Flights: 21% Average Delay (hr): 1¼
#4. Airports near Seneca, IL Chicago-Rockford International Airport (RFD) 66 miles Weekly Flights: 13 Domestic Routes: 5 Delayed Flights: 20% Average Delay (hr): 1¼
#5. Airports near Seneca, IL General Downing-Peoria International Airport (PIA) 71 miles Weekly Flights: 103 Domestic Routes: 12 Delayed Flights: 16% Average Delay (hr): 1½
#6. Airports near Seneca, IL University of Illinois-Willard Airport (CMI) 90 miles Weekly Flights: 46 Domestic Routes: 3 Delayed Flights: 15% Average Delay (hr): 1¼
#7. Airports near Seneca, IL Quad City International Airport (MLI) 98 miles Weekly Flights: 97 Domestic Routes: 11 Delayed Flights: 16% Average Delay (hr): 1½
#8. Airports near Seneca, IL Abraham Lincoln Capital Airport (SPI) 115 miles Weekly Flights: 35 Domestic Routes: 4 Delayed Flights: 17% Average Delay (hr): 1½
#9. Airports near Seneca, IL General Mitchell International Airport (MKE) 119 miles Weekly Flights: 625 Domestic Routes: 42 Delayed Flights: 16% Average Delay (hr): 1¼
#10. Airports near Seneca, IL South Bend International Airport (SBN) 123 miles Weekly Flights: 134 Domestic Routes: 13 Delayed Flights: 17% Average Delay (hr): 1½
#11. Airports near Seneca, IL Dubuque Regional Airport (DBQ) 131 miles Weekly Flights: 19 Domestic Routes: 1 Delayed Flights: 17% Average Delay (hr): 1
#12. Airports near Seneca, IL Dane County Regional Airport-Truax Field (MSN) 132 miles Weekly Flights: 254 Domestic Routes: 25 Delayed Flights: 15% Average Delay (hr): 1½
#13. Airports near Seneca, IL The Eastern Iowa Airport (CID) 164 miles Weekly Flights: 178 Domestic Routes: 15 Delayed Flights: 16% Average Delay (hr): 1¼
#14. Airports near Seneca, IL Quincy Regional Airport-Baldwin Field (UIN) 164 miles Weekly Flights: 18 Domestic Routes: 2 Delayed Flights: 21% Average Delay (hr): 1½
#15. Airports near Seneca, IL Indianapolis International Airport (IND) 165 miles Weekly Flights: 941 Domestic Routes: 46 Delayed Flights: 16% Average Delay (hr): 1¼
#16. Airports near Seneca, IL Kalamazoo-Battle Creek International Airport (AZO) 171 miles Weekly Flights: 54 Domestic Routes: 3 Delayed Flights: 13% Average Delay (hr): 1½
#17. Airports near Seneca, IL Muskegon County Airport (MKG) 178 miles Weekly Flights: 14 Domestic Routes: 1 Delayed Flights: 16% Average Delay (hr): 1½
#18. Airports near Seneca, IL Fort Wayne International Airport (FWA) 180 miles Weekly Flights: 136 Domestic Routes: 12 Delayed Flights: 17% Average Delay (hr): 1½
#19. Airports near Seneca, IL Gerald R Ford International Airport (GRR) 193 miles Weekly Flights: 333 Domestic Routes: 26 Delayed Flights: 17% Average Delay (hr): 1¼
#20. Airports near Seneca, IL St Louis Lambert International Airport (STL) 199 miles Weekly Flights: 1,273 Domestic Routes: 58 Delayed Flights: 21% Average Delay (hr): 1