List of airports in Illinois
This is a list of airports in Illinois, grouped by type and sorted by location. It contains all public-use and military airports in the state. Some private-use and former airports may be included where notable, such as airports that were previously public-use, those with commercial enplanements recorded by the FAA or airports assigned an IATA airport code.
Airports
| City served | FAA | IATA | ICAO | Airport name | Role | Enpl. |
| Commercial Service – Primary airports | ||||||
| Commercial Service – Nonprimary airports | ||||||
| Decatur | DEC | DEC | KDEC | Decatur Airport | CS | 8,453 |
| Reliever airports | ||||||
| Alton / St. Louis | ALN | ALN | KALN | St. Louis Regional Airport | R | 0 |
| Aurora | ARR | AUZ | KARR | Aurora Municipal Airport | R | 0 |
| Cahokia / St. Louis | CPS | CPS | KCPS | St. Louis Downtown Airport | R | 3,586 |
| Lake in the Hills | 3CK | Lake in the Hills Airport | R | 0 | ||
| Lansing | IGQ | KIGQ | Lansing Municipal Airport | R | 0 | |
| Prospect Heights / Wheeling | PWK | PWK | KPWK | Chicago Executive Airport | R | 308 |
| Romeoville | LOT | LOT | KLOT | Lewis University Airport | R | 21 |
| Waukegan | UGN | UGN | KUGN | Waukegan Regional Airport | R | 67 |
| West Chicago | DPA | DPA | KDPA | DuPage Airport | R | 124 |
| General Aviation airports | ||||||
| Aledo | C00 | Mercer County Airport | GA | 0 | ||
| Beardstown | K06 | Greater Beardstown Airport | GA | 0 | ||
| Benton | H96 | Benton Municipal Airport | GA | 0 | ||
| Bolingbrook | 1C5 | Bolingbrook's Clow International Airport | GA | 0 | ||
| Cairo | CIR | CIR | KCIR | Cairo Regional Airport | GA | 0 |
| Canton | CTK | KCTK | Ingersoll Airport | GA | 0 | |
| Carbondale / Murphysboro | MDH | MDH | KMDH | Southern Illinois Airport | GA | 291 |
| Carmi | CUL | KCUL | Carmi Municipal Airport | GA | 0 | |
| Casey | 1H8 | Casey Municipal Airport | GA | 0 | ||
| Centralia | ENL | ENL | KENL | Centralia Municipal Airport | GA | 0 |
| Danville | DNV | DNV | KDNV | Vermilion Regional Airport | GA | 0 |
| DeKalb | DKB | KDKB | DeKalb Taylor Municipal Airport | GA | 28 | |
| Dixon | C73 | Dixon Municipal Airport | GA | 0 | ||
| Effingham | 1H2 | Effingham County Memorial Airport | GA | 0 | ||
| Fairfield | FWC | KFWC | Fairfield Municipal Airport | GA | 0 | |
| Flora | FOA | KFOA | Flora Municipal Airport | GA | 0 | |
| Freeport | FEP | FEP | KFEP | Albertus Airport | GA | 0 |
| Galesburg | GBG | GBG | KGBG | Galesburg Municipal Airport | GA | 1,215 |
| Grayslake | C81 | Campbell Airport | GA | 0 | ||
| Greenville | GRE | GRE | KGRE | Greenville Airport | GA | 0 |
| Greenwood / Wonder Lake | 10C | Galt Field | GA | 0 | ||
| Harrisburg | HSB | HSB | KHSB | Harrisburg-Raleigh Airport | GA | 0 |
| Harvard | 0C0 | Dacy Airport | GA | 0 | ||
| Havana | 9I0 | Havana Regional Airport | GA | 0 | ||
| Jacksonville | IJX | IJX | KIJX | Jacksonville Municipal Airport | GA | 0 |
| Joliet | JOT | JOT | KJOT | Joliet Regional Airport | GA | 0 |
| Kankakee | IKK | IKK | KIKK | Greater Kankakee Airport | GA | 4 |
| Kewanee | EZI | KEZI | Kewanee Municipal Airport | GA | 0 | |
| Lacon | C75 | Marshall County Airport | GA | 0 | ||
| Lawrenceville | LWV | LWV | KLWV | Lawrenceville-Vincennes International Airport | GA | 0 |
| Lincoln | AAA | KAAA | Logan County Airport | GA | 0 | |
| Litchfield | 3LF | Litchfield Municipal Airport | GA | 0 | ||
| Macomb | MQB | MQB | KMQB | Macomb Municipal Airport | GA | 66 |
| Mattoon / Charleston | MTO | MTO | KMTO | Coles County Memorial Airport | GA | 0 |
| Metropolis | M30 | Metropolis Municipal Airport | GA | 0 | ||
| Monee | C56 | Bult Field | GA | 0 | ||
| Monmouth | C66 | Monmouth Municipal Airport | GA | 0 | ||
| Monticello | 2K0 | Piatt County Airport | GA | 0 | ||
| Morris | C09 | Morris Municipal Airport | GA | 0 | ||
| Mount Carmel | AJG | KAJG | Mount Carmel Municipal Airport | GA | 0 | |
| Mount Sterling | I63 | Mount Sterling Municipal Airport | GA | 76 | ||
| Mount Vernon | MVN | MVN | KMVN | Mount Vernon Airport | GA | 0 |
| Olney / Noble | OLY | OLY | KOLY | Olney-Noble Airport | GA | 2 |
| Paris | PRG | KPRG | Edgar County Airport | GA | 0 | |
| Pekin | C15 | Pekin Municipal Airport | GA | 0 | ||
| Peoria | 3MY | Mount Hawley Auxiliary Airport | GA | 0 | ||
| Peru / LaSalle | VYS | VYS | KVYS | Illinois Valley Regional Airport | GA | 70 |
| Pinckneyville / DuQuoin | PJY | KPJY | Pinckneyville-DuQuoin Airport | GA | 0 | |
| Pittsfield | PPQ | KPPQ | Pittsfield Penstone Municipal Airport | GA | 0 | |
| Pontiac | PNT | KPNT | Pontiac Municipal Airport | GA | 0 | |
| Poplar Grove | C77 | Poplar Grove Airport | GA | 0 | ||
| Rantoul | TIP | KTIP | Rantoul National Aviation Center | GA | 0 | |
| Robinson | RSV | KRSV | Crawford County Airport | GA | 98 | |
| Rochelle | RPJ | KRPJ | Rochelle Municipal Airport | GA | 4 | |
| Salem | SLO | SLO | KSLO | Salem-Leckrone Airport | GA | 0 |
| Savanna | SFY | KSFY | Tri-Township Airport | GA | 0 | |
| Schaumburg | 06C | Schaumburg Regional Airport | GA | 0 | ||
| Schaumburg | 4H1 | Schaumburg Municipal Helistop | GA | 0 | ||
| Shelbyville | 2H0 | Shelby County Airport | GA | 0 | ||
| Sparta | SAR | SAR | KSAR | Sparta Community Airport | GA | 0 |
| St. Jacob | 3K6 | St. Louis Metro-East Airport | GA | 0 | ||
| Sterling / Rock Falls | SQI | SQI | KSQI | Whiteside County Airport | GA | 0 |
| Taylorville | TAZ | KTAZ | Taylorville Municipal Airport | GA | 0 | |
| Tuscola | K96 | Tuscola Airport | GA | 0 | ||
| Vandalia | VLA | VLA | KVLA | Vandalia Municipal Airport | GA | 0 |
| Other public-use airports | ||||||
| Apple River | 7A4 | Foster Field | ||||
| Columbia | H49 | Sackman Field | ||||
| Compton | C82 | Bresson Airport | ||||
| Dwight | DTG | KDTG | Dwight Airport | |||
| Erie | 3H5 | Erie Air Park | ||||
| Freeport | C86 | Freeport/Dornink Airport | ||||
| Geneseo | 3G8 | Gen-Airpark | ||||
| Highland | H07 | Highland-Winet Airport | ||||
| Hinckley | 0C2 | Hinckley Airport | ||||
| Kankakee | 3KK | Kankakee Airport | ||||
| Lostant | 2V3 | Hartenbower Hectares Airport | ||||
| Mendota | 0C7 | Grandpa's Farm Mendota Airport | ||||
| Mount Morris | C55 | Ogle County Airport | ||||
| Newark | 0C8 | Cushing Field | ||||
| Ottawa | 8N2 | Skydive Chicago Airport | ||||
| Palmyra | 5K1 | Zelmer Memorial Airpark | ||||
| Paxton | 1C1 | Paxton Airport | ||||
| Rockford | 1C8 | Cottonwood Airport | ||||
| Rushville | 5K4 | Schuy-Rush Airport | ||||
| Urbana | C16 | Frasca Field | ||||
| Watson | 2T2 | Percival Springs Airport | ||||
| Yates City | 2C6 | Tri-County Airport | ||||
| Notable private-use airports | ||||||
| Bradford | 3IS8 | BDF | Rinkenberger RLA Airport | |||
| Manito | IL45 | Palmer Flying Service Airport | ||||
| Notable former airports | ||||||
| Carthage | Carthage Airport | |||||
| Chicago | Meigs Field | |||||
| Crestwood | Crestwood/Howell Airport | |||||
| Earlville | Earlville Airport 1= | |||||
| Hillsboro | Hillsboro Municipal Airport 1= | |||||
| New Lenox | Howell-New Lenox Airport | |||||
| Springfield | Springfield Southwest Municipal Airport 1= | |||||
| Springfield | Bosa Field/Lindbergh Field 1= |