| ICAO | IATA | Name | Municipality | Country |
|---|---|---|---|---|
| KMDW | MDW | Chicago Midway International Airport | Chicago | United States |
| KORD | ORD | Chicago O'Hare International Airport | Chicago | United States |
| KALN | ALN | St Louis Regional Airport | Alton/St Louis | United States |
| KBLV | BLV | Scott AFB/Midamerica Airport | Belleville | United States |
| KBMI | BMI | Central Illinois Regional Airport at Bloomington-Normal | Bloomington/Normal | United States |
| KCMI | CMI | University of Illinois Willard Airport | Savoy | United States |
| KDEC | DEC | Decatur Airport | Decatur | United States |
| KDPA | DPA | Dupage Airport | Chicago/West Chicago | United States |
| KIKK | IKK | Greater Kankakee Airport | Kankakee | United States |
| KMDH | MDH | Southern Illinois Airport | Carbondale/Murphysboro | United States |
| KMLI | MLI | Quad City International Airport | Moline | United States |
| KPIA | PIA | General Wayne A. Downing Peoria International Airport | Peoria | United States |
| KPWK | PWK | Chicago Executive Airport | Chicago/Prospect Heights/Wheeling | United States |
| KRFD | RFD | Chicago Rockford International Airport | Chicago/Rockford | United States |
| KSPI | SPI | Abraham Lincoln Capital Airport | Springfield | United States |
| KUIN | UIN | Quincy Regional Baldwin Field | Quincy | United States |
| Hammer Airport | Polo | United States | ||
| Hayenga's Cant Find Farms Airport | Kings | United States | ||
| William E. Koenig Airport | Dow | United States | ||
| Schumaier Restricted Landing Area | Pinckneyville | United States | ||
| Wix Airport | Monee | United States | ||
| Schertz Aerial Service - Hudson Airport | Hudson | United States | ||
| Van Gorder Airport | Mansfield | United States | ||
| Brunner Airport | West Dundee | United States | ||
| Classic Landings Airport | Bonfield | United States | ||
| Hardy Airport | Mount Auburn | United States | ||
| Humm Airport | Earlville | United States | ||
| Sinele Strip | Nauvoo | United States | ||
| Hemmer RLA Restricted Landing Area | Du Quoin | United States | ||
| Sauer Airport | Dwight | United States |