| Al-Ahsa International Airport | HOF | Hofuf | SA |
| Alexandria International Airport | HBE | Alexandria | EG |
| Alferez Fap David Figueroa Fernandini Airport | HUU | Huánuco | PE |
| Aligarh Airport | HRH | Aligarh | IN |
| Anyang Hongqiqu Airport | HQQ | Anyang | CN |
| Bahías de Huatulco International Airport | HUX | Huatulco | MX |
| Boone County Airport | HRO | Harrison | US |
| Cape Cod Gateway Airport | HYA | Hyannis | US |
| Cat Bi International Airport | HPH | Haiphong (Hai An) | VN |
| Chenzhou Beihu Airport | HCZ | Chenzhou | CN |
| Chita-Kadala International Airport | HTA | Chita | RU |
| Daniel K. Inouye International Airport | HNL | Honolulu, Oahu | US |
| Eastgate Airport / Air Force Base Hoedspruit | HDS | Hoedspruit | ZA |
| Egal International Airport | HGA | Hargeisa | SO |
| Frank Pais International Airport | HOG | Holguin | CU |
| Frankfurt-Hahn Airport | HHN | Frankfurt am Main (Lautzenhausen) | DE |
| General Ignacio L. Pesqueira International Airport | HMO | Hermosillo | MX |
| Hachijojima Airport | HAC | Hachijojima | JP |
| Hagerstown Regional Richard A Henson Field | HGR | Hagerstown | US |
| Hagfors Airport | HFS | Råda | SE |
| Haibei Qilian Airport | HBQ | Haibei (Qilian) | CN |
| Haikou Meilan International Airport | HAK | Haikou (Meilan) | CN |
| Hail International Airport | HAS | Hail | SA |
| Haines Airport | HNS | Haines | US |
| Haixi Delingha Airport | HXD | Delingha | CN |
| Haji Muhammad Sidik Airport | HMS | Muara Teweh | ID |
| Hakodate Airport | HKD | Hakodate | JP |
| Halali Airport | HAL | Halali | NA |
| Halim Perdanakusuma International Airport | HLP | Jakarta | ID |
| Halmstad Airport | HAD | Halmstad | SE |
| Halwara International Airport | HWR | Halwara | IN |
| Hamadan Airport | HDM | Hamadan | IR |
| Hamburg Helmut Schmidt Airport | HAM | Hamburg | DE |
| Hami Airport | HMI | Hami | CN |
| Hamilton International Airport | HLZ | Hamilton | NZ |
| Hamilton Island Airport | HTI | Hamilton Island | AU |
| Hammerfest Airport | HFT | Hammerfest | NO |
| Hana Airport | HNM | Hana | US |
| Handan Airport | HDG | Handan | CN |
| Hangzhou Xiaoshan International Airport | HGH | Hangzhou | CN |
| Hanimaadhoo International Airport | HAQ | Haa Dhaalu Atoll | MV |
| Hannover Airport | HAJ | Hannover | DE |
| Hanzhong Chenggu Airport | HZG | Hanzhong (Chenggu) | CN |
| Hao Airport | HOI | Otepa | PF |
| Harbin Taiping International Airport | HRB | Harbin | CN |
| Hassi Messaoud-Oued Irara Krim Belkacem Airport | HME | Hassi Messaoud | DZ |
| Hasvik Airport | HAA | Hasvik | NO |
| Hat Yai International Airport | HDY | Hat Yai | TH |
| Hatay Airport | HTY | Antakya | TR |
| Haugesund Airport, Karmøy | HAU | Karmøy | NO |
| Havre City County Airport | HVR | Havre | US |
| Hays Regional Airport | HYS | Hays | US |
| Hazrat Sultan International Airport | HSA | Turkıstan | KZ |
| Hechi Jinchengjiang Airport | HCJ | Hechi (Jinchengjiang) | CN |
| Hefei Xinqiao International Airport | HFE | Hefei | CN |
| Heho Airport | HEH | Heho | MM |
| Heide-Büsum Airport | HEI | Oesterdeichstrich | DE |
| Heihe Aihui Airport | HEK | Heihe | CN |
| Hejing Bayinbuluke Airport | HJB | Hejing | CN |
| Helena Regional Airport | HLN | Helena | US |
| Helgoland-Düne Airport | HGL | Helgoland | DE |
| Helsinki Vantaa Airport | HEL | Helsinki (Vantaa) | FI |
| Hemavan Airport | HMV | Hemavan | SE |
| Hengyang Nanyue Airport | HNY | Hengyang | CN |
| Heraklion International Nikos Kazantzakis Airport | HER | Heraklion | GR |
| Herat - Khwaja Abdullah Ansari International Airport | HEA | Guzara | AF |
| Heringsdorf Airport | HDF | Zirchow | DE |
| Hervey Bay Airport | HVB | Hervey Bay | AU |
| Heze Mudan Airport | HZA | Heze (Dingtao) | CN |
| Hikueru Airport | HHZ | Hikueru | PF |
| Hilton Head Airport | HHH | Hilton Head Island | US |
| Hindon Airport / Hindon Air Force Station | HDO | Ghaziabad | IN |
| Hiroshima Airport | HIJ | Hiroshima | JP |
| Hoarafushi Airport | HRF | — | MV |
| Hobart International Airport | HBA | Hobart (Cambridge) | AU |
| Hohhot Baita International Airport | HET | Hohhot | CN |
| Hokitika Airfield | HKK | — | NZ |
| Holingol Huolinhe Airport | HUO | Holingol | CN |
| Holy Cross Airport | HCR | Holy Cross | US |
| Homer Airport | HOM | Homer | US |
| Hong Kong International Airport | HKG | Hong Kong | HK |
| Honiara International Airport | HIR | Honiara | SB |
| Honningsvåg Airport, Valan | HVG | Honningsvåg | NO |
| Hooker Creek Airport | HOK | Lajamanu | AU |
| Hoonah Airport | HNH | Hoonah | US |
| Hooper Bay Airport | HPB | Hooper Bay | US |
| Horn Island Airport | HID | Horn | AU |
| Hornafjörður Airport | HFN | Höfn | IS |
| Horta Airport | HOR | Horta | PT |
| Hoskins Airport | HKN | Kimbe | PG |
| Hotan Airport | HTN | Hotan | CN |
| Hua Hin Airport | HHQ | Hua Hin | TH |
| Huahine-Fare Airport | HUH | Fare | PF |
| Huai'an Lianshui Airport | HIA | Huai'an | CN |
| Huaihua Zhijiang Airport | HJJ | Huaihua | CN |
| Hualien Chiashan Airport | HUN | Hualien City | TW |
| Huatugou Airport | HTT | Mengnai | CN |
| Hubballi Airport | HBX | Hubballi | IN |
| Huehuetenango Airport | HUG | Huehuetenango | GT |
| Hughenden Airport | HGD | Hughenden | AU |
| Hughes Airport | HUS | Hughes | US |
| Huizhou Pingtan Airport | HUZ | Huizhou (Pingtan) | CN |
| Hulunbuir Hailar Airport | HLD | Hailar | CN |
| Humberside Airport | HUY | Grimsby, Lincolnshire | GB |
| Huntsville International Airport | HSV | Huntsville | US |
| Hurghada International Airport | HRG | Hurghada | EG |
| Huslia Airport | HSL | Huslia | US |
| Hyderabad Airport | HDD | Hyderabad | PK |
| Itanagar Donyi Polo Hollongi Airport | HGI | Hollongi | IN |
| Iwate Hanamaki Airport | HNA | Hanamaki | JP |
| Jack Northrop Field Hawthorne Municipal Airport | HHR | Hawthorne | US |
| José Martí International Airport | HAV | Havana | CU |
| Khajuraho Airport | HJR | Khajuraho | IN |
| Khanty Mansiysk Airport | HMA | Khanty-Mansiysk | RU |
| Khatanga Airport | HTG | Khatanga | RU |
| Khovd Airport | HVD | Khovd | MN |
| Korhogo Airport | HGO | Korhogo | CI |
| Kulhudhuffushi Airport | HDK | Kulhudhuffushi | MV |
| Kyushu Saga International Airport | HSG | Saga | JP |
| Lake Havasu City Airport | HII | Lake Havasu City | US |
| Lanseria International Airport | HLA | Johannesburg | ZA |
| Lea County Regional Airport | HOB | Hobbs | US |
| Lifuka Island Airport | HPA | Lifuka | TO |
| Liping Airport | HZH | Liping | CN |
| Mae Hong Son Airport | HGN | Mae Hong Son | TH |
| Maharaja Agrasen International Airport | HSS | Hisar | IN |
| Mattala Rajapaksa International Airport | HRI | Mattala | LK |
| Memorial Field Airport | HOT | Hot Springs | US |
| Mount Hagen Kagamuga Airport | HGU | Mount Hagen | PG |
| Noi Bai International Airport | HAN | Hanoi (Soc Son) | VN |
| Ørsta-Volda Airport, Hovden | HOV | Ørsta | NO |
| Phu Bai International Airport | HUI | Huế | VN |
| Phuket International Airport | HKT | Phuket | TH |
| Prince Said Ibrahim International Airport | HAH | Moroni | KM |
| Rajiv Gandhi International Airport | HYD | Hyderabad | IN |
| Rajkot International Airport | HSR | Rajkot | IN |
| Range Regional Airport | HIB | Hibbing | US |
| Robert Gabriel Mugabe International Airport | HRE | Harare | ZW |
| Sacheon Airport / Sacheon Air Base | HIN | Sacheon | KR |
| Saint Helena International Airport | HLE | Jamestown | SH |
| Shaoguan Danxia Airport | HSC | Shaoguan | CN |
| Shennongjia Hongping Airport | HPG | Shennongjia (Hongping) | CN |
| Shilavo Airport | HIL | Shilavo | ET |
| Suhaj International Airport | HMB | Suhaj | EG |
| Taizhou Luqiao Airport | HYN | Taizhou (Luqiao) | CN |
| Tashikuergan Hongqilafu Airport | HQL | Tashikuergan | CN |
| Tokyo Haneda International Airport | HND | Tokyo | JP |
| Tri-State Airport / Milton J. Ferguson Field | HTS | Huntington | US |
| Tweed New Haven Airport | HVN | New Haven | US |
| Ulanhot Yilelite Airport | HLH | Ulanhot | CN |
| Uri Michaeli Haifa International Airport | HFA | Haifa | IL |
| Valley International Airport | HRL | Harlingen | US |
| Westchester County Airport | HPN | White Plains | US |
| William P. Hobby Airport | HOU | Houston | US |
| Yampa Valley Airport | HDN | Hayden | US |
| Zhoushan Putuoshan International Airport | HSN | Zhoushan | CN |