#1. Airports near Ontario, WI La Crosse Regional Airport (LSE) 35 miles Weekly Flights: 41 Domestic Routes: 2 Delayed Flights: 14% Average Delay (hr): 1½
#2. Airports near Ontario, WI Dane County Regional Airport-Truax Field (MSN) 75 miles Weekly Flights: 254 Domestic Routes: 25 Delayed Flights: 15% Average Delay (hr): 1½
#3. Airports near Ontario, WI Central Wisconsin Airport (CWA) 86 miles Weekly Flights: 55 Domestic Routes: 3 Delayed Flights: 13% Average Delay (hr): 1½
#4. Airports near Ontario, WI Chippewa Valley Regional Airport (EAU) 90 miles Weekly Flights: 14 Domestic Routes: 1 Delayed Flights: 13% Average Delay (hr): 2¼
#5. Airports near Ontario, WI Dubuque Regional Airport (DBQ) 91 miles Weekly Flights: 19 Domestic Routes: 1 Delayed Flights: 17% Average Delay (hr): 1
#6. Airports near Ontario, WI Rochester International Airport (RST) 96 miles Weekly Flights: 63 Domestic Routes: 3 Delayed Flights: 17% Average Delay (hr): 1½
#7. Airports near Ontario, WI Appleton International Airport (ATW) 110 miles Weekly Flights: 81 Domestic Routes: 9 Delayed Flights: 14% Average Delay (hr): 1½
#8. Airports near Ontario, WI Waterloo Regional Airport (ALO) 122 miles Weekly Flights: 13 Domestic Routes: 1 Delayed Flights: 17% Average Delay (hr): 1¼
#9. Airports near Ontario, WI Chicago-Rockford International Airport (RFD) 130 miles Weekly Flights: 13 Domestic Routes: 5 Delayed Flights: 20% Average Delay (hr): 1¼
#10. Airports near Ontario, WI Green Bay-Austin Straubel International Airport (GRB) 133 miles Weekly Flights: 93 Domestic Routes: 6 Delayed Flights: 13% Average Delay (hr): 1½
#11. Airports near Ontario, WI The Eastern Iowa Airport (CID) 139 miles Weekly Flights: 178 Domestic Routes: 15 Delayed Flights: 16% Average Delay (hr): 1¼
#12. Airports near Ontario, WI Rhinelander-Oneida County Airport (RHI) 143 miles Weekly Flights: 14 Domestic Routes: 1 Delayed Flights: 10% Average Delay (hr): 2¼
#13. Airports near Ontario, WI General Mitchell International Airport (MKE) 146 miles Weekly Flights: 625 Domestic Routes: 42 Delayed Flights: 16% Average Delay (hr): 1¼
#14. Airports near Ontario, WI Minneapolis-St Paul International-Wold-Chamberlain Airport (MSP) 153 miles Weekly Flights: 3,065 Domestic Routes: 132 Delayed Flights: 14% Average Delay (hr): 1¼
#15. Airports near Ontario, WI Quad City International Airport (MLI) 157 miles Weekly Flights: 97 Domestic Routes: 11 Delayed Flights: 16% Average Delay (hr): 1½
#16. Airports near Ontario, WI Chicago O'Hare International Airport (ORD) 182 miles Weekly Flights: 6,403 Domestic Routes: 174 Delayed Flights: 21% Average Delay (hr): 1¼
#17. Airports near Ontario, WI Ford Airport (IMT) 189 miles Weekly Flights: 13 Domestic Routes: 2 Delayed Flights: 14% Average Delay (hr): 1½
#18. Airports near Ontario, WI Chicago Midway International Airport (MDW) 197 miles Weekly Flights: 1,675 Domestic Routes: 68 Delayed Flights: 29% Average Delay (hr): ¾
#19. Airports near Ontario, WI St. Cloud Regional Airport (STC) 212 miles Weekly Flights: 3 Domestic Routes: 2 Delayed Flights: 25% Average Delay (hr): 1¼
#20. Airports near Ontario, WI General Downing-Peoria International Airport (PIA) 216 miles Weekly Flights: 103 Domestic Routes: 12 Delayed Flights: 16% Average Delay (hr): 1½