| 城市名称 | 机场三字代码 | 机场四字代码 | 机场名称 | 英文名称 |
| 清莱 | CEI | CHIANGRAI | ||
| CHERNIGOV | CEJ | CHERNIGOV | ||
| CHELYABINSK | CEK | CHELYABINSK | ||
| CAPEELEUTHER | CEL | CAPEELEUTHERA | ||
| 森特拉尔 | CEM | CENTRAL | ||
| CIUDADOBREGO | CEN | CIUDADOBREGON | ||
| 万科昆戈 | CEO | WACOKUNGO | ||
| 康塞普西翁 | CEP | CONCEPCION | ||
| CHERBOURGMAU | CER | CHERBOURGMAUPERTUS | ||
| 塞斯诺克 | CES | CESSNOCK | ||
| CHOLETLEPONT | CET | CHOLETLEPONTREA | ||
| CLEMSONOCONE | CEU | CLEMSONOCONEECTY | ||
| CONNERSVILLE | CEV | CONNERSVILLEMETTLEFL | ||
| CRESTVIEWBOB | CEW | CRESTVIEWBOBSKIES | ||
| CHENAHOTSPGS | CEX | CHENAHOTSPGS. | ||
| MURRAYCALLOW | CEY | MURRAYCALLOWAYCO. | ||
| CORTEZMONTEZ | CEZ | CORTEZMONTEZUMA | ||
| COFFEEPOINT | CFA | COFFEEPOINT | ||
| CLERMONT-FER | CFE | CLERMONT-FERRAND | ||
| CAFUNFO | CFF | CAFUNFO | ||
| 西恩富戈斯 | CFG | CIENFUEGOS | ||
| CLIFTONHILLS | CFH | CLIFTONHILLS | ||
| CAMFIELD | CFI | CAMFIELD | ||
| CARRICKFINN | CFN | CARRICKFINN | ||
| CONFREZA | CFO | CONFREZA | ||
| CARPENTARIAD | CFP | CARPENTARIADOWNS | ||
| CAENCARPIQUE | CFR | CAENCARPIQUET | ||
| 科夫斯港 | CFS | COFFSHARBOUR | ||
| 克里夫顿 | CFT | CLIFTON | ||
| 科孚岛[克基拉岛] | CFU | CORFU | ||
| CRAIG | CGA | CRAIG | ||
| 库亚巴 | CGB | CUIABA | ||
| CAPEGLOUCEST | CGC | CAPEGLOUCESTERGLOUCE | ||
| 剑桥 | CGE | CAMBRIDGE | ||
| CLEVELANDCUY | CGF | CLEVELANDCUYAHOGA | ||
| SAUPAULOCONG | CGH | SAUPAULOCONGHONHAS | ||
| CAPEGIRARDEA | CGI | CAPEGIRARDEAU | ||
| 钦戈拉 | CGJ | CHINGOLA | ||
| CAMIGUINMAMB | CGM | CAMIGUINMAMBAJAO | ||
| CAMGRANDE | CGR | CAMGRANDE | ||
| COLLEGEPARK | CGS | COLLEGEPARK | ||
| 钦桂提 | CGT | CHINGUITTI | ||
| 圭亚那城 | CGU | CIUDADGUAYANA | ||
| CAIGUNA | CGV | CAIGUNA | ||
| CHICAGOMEIGS | CGX | CHICAGOMEIGS | ||
| CAGAYANDEORO | CGY | CAGAYANDEOROLUMBIA | ||
| CASAGRANDEMU | CGZ | CASAGRANDEMUNICIPAL | ||
| CHATTANOOG | CHA | CHATTANOOG | ||
| CHILAS | CHB | CHILAS | ||
| 克瑞斯特彻奇 | CHC | CHRISTCHURCH | ||
| CHANDLERWILL | CHD | CHANDLERWILLIAMS | ||
| CAHERCIVEENR | CHE | CAHERCIVEENREENROE | ||
| 镇海 | CHF | CHINHAE | ||
| 查查波亚斯 | CHH | CHACHAPOYAS | ||
| CHIPINGE | CHJ | CHIPINGE | ||
| CHICKASHAMUN | CHK | CHICKASHAMUNICIPAL | ||
| 查利斯 | CHL | CHALLIS | ||
| 钦博特 | CHM | CHIMBOTE | ||
| CHONJU | CHN | CHONJU | ||
| CHARLOTTES | CHO | CHARLOTTES |
机场三字代码简称“三字代码”，由国际航空运输协会（IATA ,International Air Transport Association）制定。国际航空运输协会（IATA）对世界上的国家、城市、机场、加入国际航空运输协会的航空公司制定了统一的编码。在空运中以三个英文字母简写航空机场名，称“机场三字代码”或“三字代码”。
世界上每一个民航机场都有自己唯一的三字码，部分空军机场也有三字码。机场三字代码查询支持国际机场三字代码查询，国内机场3字代码查询，全球机场三字代码查询，国内机场三字代码，始发机场三字代码，机场三字代码表，国际机场三字代码表查询。