| Aasiaat Airport | JEG | Aasiaat | GL |
| Adisutjipto International Airport | JOG | Yogyakarta | ID |
| Astypalaia Airport | JTY | Astypalaia Island | GR |
| Bauru/Arealva–Moussa Nakhal Tobias State Airport | JTC | Bauru | BR |
| České Budějovice South Bohemian Airport | JCL | České Budějovice | CZ |
| Chios Island National Airport | JKH | Chios Island | GR |
| Chizhou Jiuhuashan Airport | JUH | Chizhou | CN |
| Comandante Ariston Pessoa Airport | JJD | Cruz | BR |
| Daxing'anling Elunchun Airport | JGD | Jiagedaqi | CN |
| Djibouti-Ambouli Airport | JIB | Djibouti City | DJ |
| Francisco Carle Airport | JAU | Jauja | PE |
| Francisco de Assis Airport | JDF | Juiz de Fora | BR |
| Gerad Wilwal International Airport | JIJ | Jijiga | ET |
| Gobernador Horacio Guzman International Airport | JUJ | San Salvador de Jujuy | AR |
| Humberto Ghizzo Bortoluzzi Regional Airport | JJG | Jaguaruna | BR |
| Ikaria Airport | JIK | Ikaria Island | GR |
| Ilulissat Airport | JAV | Ilulissat | GL |
| Inca Manco Capac International Airport | JUL | Juliaca | PE |
| Jabalpur Airport | JLR | Jabalpur | IN |
| Jackson Hole Airport | JAC | Jackson | US |
| Jackson-Medgar Wiley Evers International Airport | JAN | Jackson | US |
| Jacksonville International Airport | JAX | Jacksonville | US |
| Jaffna International Airport | JAF | Jaffna | LK |
| Jagdalpur Airport | JGB | Jagdalpur | IN |
| Jaipur International Airport | JAI | Jaipur | IN |
| Jaisalmer Airport | JSA | — | IN |
| Jalgaon Airport | JLG | Jalgaon | IN |
| Jamestown Regional Airport | JMS | Jamestown | US |
| Jamnagar Airport | JGA | Jamnagar | IN |
| Janakpur Airport | JKR | Janakpur | NP |
| Jask Airport | JSK | Bandar-e-Jask | IR |
| Jeh Airport | JEJ | Ailinglapalap Atoll | MH |
| Jérémie Airport | JEE | Carrefour Sanon | HT |
| Jersey Airport | JER | St. Peter | JE |
| Jessore Airport | JSR | Jashore (Jessore) | BD |
| Jharsuguda Airport | JRG | — | IN |
| Ji-Paraná Airport | JPR | Ji-Paraná | BR |
| Jiamusi Songjiang International Airport | JMU | Jiamusi | CN |
| Jiansanjiang Shidi Airport | JSJ | Jiansanjiang | CN |
| Jiaxing Nanhu Airport | JNH | Xiuzhou, Hangzhou | CN |
| Jiayuguan International Airport | JGN | Jiayuguan | CN |
| Jimma Airport | JIM | Jimma | ET |
| Jinchang Jinchuan Airport | JIC | Jinchang | CN |
| Jingdezhen Luojia Airport | JDZ | Jingdezhen | CN |
| Jinggangshan Airport | JGS | Ji'an | CN |
| Jining Da'an Airport | JNG | Jining | CN |
| Jinzhou Bay Airport | JNZ | Jinzhou (Linghai) | CN |
| Jiujiang Lushan Airport | JIU | Jiujiang | CN |
| Jiuzhai Huanglong Airport | JZH | Ngawa (Songpan) | CN |
| Jixi Xingkaihu Airport | JXA | Jixi | CN |
| Jodhpur Airport | JDH | Jodhpur | IN |
| Joensuu Airport | JOE | Joensuu | FI |
| John F. Kennedy International Airport | JFK | New York | US |
| John Murtha Johnstown Cambria County Airport | JST | Johnstown | US |
| Jolo Airport | JOL | Jolo | PH |
| Jomsom Airport | JMO | Jomsom | NP |
| Jonesboro Municipal Airport | JBR | Jonesboro | US |
| Jönköping Airport | JKG | Jönköping | SE |
| Joplin Regional Airport | JLN | Joplin | US |
| Jorhat Airport | JRH | Jorhat | IN |
| Jos Orno Imsula Airport | JIO | Tiakur | ID |
| Juba International Airport | JUB | Juba | SS |
| Juist Airport | JUI | Juist | DE |
| Julia Creek Airport | JCK | — | AU |
| Jumla Airport | JUM | Jumla | NP |
| Juneau International Airport | JNU | Juneau | US |
| Jyväskylä Airport | JYV | Jyväskylän Maalaiskunta | FI |
| Kalymnos Airport | JKL | Kalymnos Island | GR |
| Kapalua Airport | JHM | Lahaina | US |
| Kilimanjaro International Airport | JRO | Arusha | TZ |
| King Abdulaziz International Airport | JED | Jeddah | SA |
| La Isabela International Airport | JBQ | La Isabela | DO |
| Lancang Jingmai Airport | JMJ | Pu'er (Lancang) | CN |
| Lauro Carneiro de Loyola Airport | JOI | Joinville | BR |
| Maniitsoq Airport | JSU | Maniitsoq | GL |
| Mulika Lodge Airport | JJM | Meru-Kinna | KE |
| Mykonos Island National Airport | JMK | Mykonos | GR |
| Nagib Demachki Airport | JPE | Paragominas | BR |
| Naxos Island National Airport | JNX | Naxos | GR |
| Notohadinegoro Airport | JBB | Jember | ID |
| O.R. Tambo International Airport | JNB | Johannesburg | ZA |
| Orlando Bezerra de Menezes Airport | JDO | Juazeiro do Norte | BR |
| Paamiut Airport | JFR | Paamiut | GL |
| Presidente Castro Pinto International Airport | JPA | João Pessoa | BR |
| Qaarsut Airport | JQA | Uummannaq | GL |
| Qaqortoq Airport | JJU | Qaqortoq | GL |
| Qianjiang Wulingshan Airport | JIQ | Qianjiang | CN |
| Qitai Jiangbulake Airport | JBK | Qitai | CN |
| Quanzhou Jinjiang International Airport | JJN | Quanzhou | CN |
| Quzhou Airport | JUZ | Quzhou (Kezheng) | CN |
| Santorini International Airport | JTR | Santorini Island | GR |
| Senai International Airport | JHB | Johor Bahru | MY |
| Shumba Airport | JAE | Jaén | PE |
| Sisimiut Airport | JHS | Sisimiut | GL |
| Sitia Airport | JSH | Crete Island | GR |
| Skiathos Island National Airport | JSI | Skiathos | GR |
| Syros Airport | JSY | Syros Island | GR |
| Upernavik Airport | JUV | Upernavik | GL |
| Xishuangbanna Gasa International Airport | JHG | Jinghong (Gasa) | CN |
| Yakubu Gowon Airport | JOS | Jos | NG |