#1. Airports near Clayton, IL Quincy Regional Airport-Baldwin Field (UIN) 14 miles Weekly Flights: 18 Domestic Routes: 2 Delayed Flights: 21% Average Delay (hr): 1½
#2. Airports near Clayton, IL Abraham Lincoln Capital Airport (SPI) 69 miles Weekly Flights: 35 Domestic Routes: 4 Delayed Flights: 17% Average Delay (hr): 1½
#3. Airports near Clayton, IL General Downing-Peoria International Airport (PIA) 80 miles Weekly Flights: 103 Domestic Routes: 12 Delayed Flights: 16% Average Delay (hr): 1½
#4. Airports near Clayton, IL St Louis Lambert International Airport (STL) 94 miles Weekly Flights: 1,273 Domestic Routes: 58 Delayed Flights: 21% Average Delay (hr): 1
#5. Airports near Clayton, IL Quad City International Airport (MLI) 101 miles Weekly Flights: 97 Domestic Routes: 11 Delayed Flights: 16% Average Delay (hr): 1½
#6. Airports near Clayton, IL Columbia Regional Airport (COU) 107 miles Weekly Flights: 43 Domestic Routes: 3 Delayed Flights: 16% Average Delay (hr): 1¾
#7. Airports near Clayton, IL Central Illinois Regional Airport at Bloomington-Normal (BMI) 112 miles Weekly Flights: 61 Domestic Routes: 8 Delayed Flights: 17% Average Delay (hr): 1¾
#8. Airports near Clayton, IL Scott Airforce Base-Midamerica Airport (BLV) 119 miles Weekly Flights: 20 Domestic Routes: 9 Delayed Flights: 28% Average Delay (hr): 1½
#9. Airports near Clayton, IL The Eastern Iowa Airport (CID) 134 miles Weekly Flights: 178 Domestic Routes: 15 Delayed Flights: 16% Average Delay (hr): 1¼
#10. Airports near Clayton, IL University of Illinois-Willard Airport (CMI) 142 miles Weekly Flights: 46 Domestic Routes: 3 Delayed Flights: 15% Average Delay (hr): 1¼
#11. Airports near Clayton, IL Dubuque Regional Airport (DBQ) 164 miles Weekly Flights: 19 Domestic Routes: 1 Delayed Flights: 17% Average Delay (hr): 1
#12. Airports near Clayton, IL Des Moines International Airport (DSM) 176 miles Weekly Flights: 300 Domestic Routes: 26 Delayed Flights: 15% Average Delay (hr): 1¼
#13. Airports near Clayton, IL Chicago-Rockford International Airport (RFD) 178 miles Weekly Flights: 13 Domestic Routes: 5 Delayed Flights: 20% Average Delay (hr): 1¼
#14. Airports near Clayton, IL Waterloo Regional Airport (ALO) 190 miles Weekly Flights: 13 Domestic Routes: 1 Delayed Flights: 17% Average Delay (hr): 1¼
#15. Airports near Clayton, IL Kansas City International Airport (MCI) 206 miles Weekly Flights: 1,081 Domestic Routes: 50 Delayed Flights: 15% Average Delay (hr): 1
#16. Airports near Clayton, IL Chicago Midway International Airport (MDW) 207 miles Weekly Flights: 1,675 Domestic Routes: 68 Delayed Flights: 29% Average Delay (hr): ¾
#17. Airports near Clayton, IL Cape Girardeau Regional Airport (CGI) 208 miles Weekly Flights: 12 Domestic Routes: 2 Delayed Flights: 14% Average Delay (hr): 2
#18. Airports near Clayton, IL Chicago O'Hare International Airport (ORD) 208 miles Weekly Flights: 6,403 Domestic Routes: 174 Delayed Flights: 21% Average Delay (hr): 1¼
#19. Airports near Clayton, IL Evansville Regional Airport (EVV) 230 miles Weekly Flights: 89 Domestic Routes: 7 Delayed Flights: 15% Average Delay (hr): 1½
#20. Airports near Clayton, IL Dane County Regional Airport-Truax Field (MSN) 231 miles Weekly Flights: 254 Domestic Routes: 25 Delayed Flights: 15% Average Delay (hr): 1½