IATA International Air Transport Association (IATA).
The International Air Transport Association's (IATA) Location Identifier is a unique 3-letter code (also commonly known as IATA code) used in aviation and also in logistics to identify an airport. For example, JFK is the IATA code for, you might know it, New York's John F.
This is a list of Airports in ILLINOIS with sorting by city
| State | City | Airport name | Code IATA |
|---|---|---|---|
| Illinois | Belleville | MidAmerica St. Louis Airport | BLV |
| Illinois | Belleville | MidAmerica St. Louis Airport | BLV |
| Illinois | Bloomington | Central Illinois Regional Airport at Bloomington-Normal | BMI |
| Illinois | Bloomington | Central Illinois Regional Airport at Bloomington-Normal | BMI |
| Illinois | Champaign (Savoy) | Willard Airport | CMI |
| Illinois | Champaign (Savoy) | Willard Airport | CMI |
| Illinois | Chicago | Chicago O'Hare International Airport | ORD |
| Illinois | Chicago | Chicago Midway International Airport | MDW |
| Illinois | Chicago | Chicago O'Hare International Airport | ORD |
| Illinois | Chicago | Chicago Midway International Airport | MDW |
| Illinois | Marion | Veterans Airport of Southern Illinois | MWA |
| Illinois | Marion | Veterans Airport of Southern Illinois | MWA |
| Illinois | Moline | Quad Cities International Airport | MLI |
| Illinois | Moline | Quad Cities International Airport | MLI |
| Illinois | Peoria | General Wayne A. Downing Peoria International Airport | PIA |
| Illinois | Peoria | General Wayne A. Downing Peoria International Airport | PIA |
| Illinois | Quincy | Quincy Regional Airport (Baldwin Field) | UIN |
| Illinois | Quincy | Quincy Regional Airport (Baldwin Field) | UIN |
| Illinois | Rockford | Chicago Rockford International Airport | RFD |
| Illinois | Rockford | Chicago Rockford International Airport | RFD |
| Illinois | Springfield | Abraham Lincoln Capital Airport | SPI |
| Illinois | Springfield | Abraham Lincoln Capital Airport | SPI |