List of international airports in Colorado with scheduled flights. The largest airport in the United States by area is Denver International Airport. It is the second largest airport in the world.
|DEN||Denver International Airport||Denver|
|COS||Colorado Springs Airport||Colorado Springs||4|
|ASE||Aspen/Pitkin County Airport||Aspen|
|DRO||Durango–La Plata County Airport||Durango|
|GJT||Grand Junction Regional Airport||Grand Junction|