Chicago Airport Codes
Chicago is served by 2 airports: ORD and MDW. The busiest is Chicago O'Hare International Airport (ORD). Every code, with its IATA and ICAO value and location, is listed below.
| IATA | ICAO | Airport | Type |
|---|---|---|---|
| ORD | KORD | Chicago O'Hare International Airport | Large airport |
| MDW | KMDW | Chicago Midway International Airport | Large airport |
Which airport should you use for Chicago?
Chicago has 2 airports and they can be far apart, so always check the code on your ticket. Chicago O'Hare International Airport (ORD) handles the most scheduled flights. The full list of Chicago airport codes is in the table above.
Frequently asked questions
What are the airport codes for Chicago?
Chicago is served by 2 airports with IATA codes ORD and MDW.
What is the 3-letter code for Chicago?
Chicago has 2 airports, so it uses 2 3-letter IATA codes: ORD and MDW. The main airport is Chicago O'Hare International Airport (ORD).
What is the main airport for Chicago?
Chicago O'Hare International Airport (ORD) handles the most scheduled traffic of the Chicago airports.
How many airports does Chicago have?
Chicago has 2 airports with an IATA code. The main one, Chicago O'Hare International Airport, is IATA ORD and ICAO KORD.