| Airport Code | City | State/Region | Country | Airport Name |
| CGK | Jakarta | | Indonesia | Soekarno Hatta International |
| CGN | Cologne/Bonn | | Germany | Koeln/Bonn |
| CGO | Zhengzhou | | China | |
| CGP | Chittagong | | Bangladesh | Patenga |
| CGQ | Changchun | | China | |
| CGR | Campo Grande | Mato Grosso Do Sul | Brazil | |
| CGX | Chicago | IL | USA | Meigs Field |
| CGX | Chicago | IL | USA | Midway / Ohare / Meigs |
| CHA | Chattanooga | TN | USA | Cha Lovell Field |
| CHC | Christchurch | | New Zealand | International |
| CHO | Charlottesville | VA | USA | Charlottesville/Albemarle |
| CHQ | Chania | Crete Island | Greece | Souda |
| CHS | Charleston | SC | USA | Charleston International Airport |
| CIA | Rome | | Italy | Ciampino |
| CIC | Chico | CA | USA | Chico Municipal Air Terminal |
| CID | Cedar Rapids | IA | USA | Municipal |
| CIU | Sault Ste Marie | MI | USA | Chippewa County Intl Airport |
| CIX | Chiclayo | | Peru | Cornel Ruiz |
| CJB | Coimbatore | | India | Peelamedu |
| CJS | Ciudad Juarez | Chihuahua | Mexico | International Abraham Gonzalez |