Chicago IATA and ICAO Airport Codes
Chicago has two major airports. Airport codes are, MDW (Chicago Midway International Airport) and ORD (Chicago O'Hare International Airport).
Chicago Midway International Airport

- Chicago, United States
- IATA airport code MDW
- ICAO airport code KMDW
- Chicago Midway International Airport (MDW)
Chicago O'Hare International Airport

- Chicago, United States
- IATA airport code ORD
- ICAO airport code KORD
- Chicago O'Hare International Airport (ORD)