| HAA | Hasvik Airport | Hasvik |  Norway |
| HAB | Marion County Airport | Muscle Shoals |  United States of America |
| HAC | Hachijo Jima Airport | Hachijo Jima |  Japan |
| HAD | Halmstad Airport | Halmstad |  Sweden |
| HAE | Havasupai Airport | Flagstaff | United States of America |
| HAF | Half Moon Airport | San Francisco | United States of America |
| HAH | Prince Said Ibrahim In Airport | Moroni |  Comoros |
| HAI | Dr Haines Airport | Kalamazoo | United States of America |
| HAJ | Hanover Airport | Hanover |  Germany |
| HAK | Haikou Airport | Haikou |  China |
| HAL | Halali Airport | Ondangwa |  Namibia |
| HAM | Hamburg Airport | Hamburg | Germany |
| HAN | Noibai International Airport | Hanoi |  Viet Nam |
| HAO | Butler County Regional Airport | Cincinnati | United States of America |
| HAP | Long Island Airport | Hamilton Island |  Australia |
| HAQ | Hanimaadhoo Airport | Hanimaadhoo |  Maldives |
| HAR | Capital City Airport | Middletown | United States of America |
| HAS | Hail Airport | Hail |  Saudi Arabia |
| HAT | Heathlands Airport | Bamaga | Australia |
| HAU | Haugesund Airport | Haugesund | Norway |
| HAV | José Martí International Airport | Havana |  Cuba |
| HAW | Haverfordwest Airport | Newquay |  United Kingdom of Great Britain and Northern Ireland |
| HAX | Hatbox Field Airport | Tulsa | United States of America |
| HAY | Haycock Airport | Koyuk | United States of America |
| HAZ | Hatzfeldthaven Airport | Madang |  Papua New Guinea |
| HBA | Hobart International Airport | Hobart | Australia |
| HBB | Hobbs Industrial Airpark | Hobbs | United States of America |
| HBE | Borg el Arab | Alexandria | United States of America |
| HBG | The Hattiesburg-Bobby L. Chain Mun. | Laurel | United States of America |
| HBH | Hobart Bay Airport | Kake | United States of America |
| HBI | Harbour Island Airport | North Eleuthera |  Bahamas |
| HBN | Flamingo Airport | Pleiku | Viet Nam |
| HBO | Humboldt Municipal Airport | Lincoln | United States of America |
| HBR | Hobart Airport | Lawton | Australia |
| HBT | Hafr Albatin Airport | Qaisumah | Saudi Arabia |
| HBV | Jim Hogg County Airport | Laredo | United States of America |
| HBX | Hubli Airport | Hubli |  India |
| HCA | Big Spring McMahon–Wrinkle Airport | Midland | United States of America |
| HCB | Shoal Cove Airport | Ketchikan | United States of America |
| HCC | Columbia County Airport | Albany | United States of America |
| HCM | Eil Airport | Hargeisa |  Somalia |
| HCN | Hengchun Airport | Kaohsiung |  Taiwan, Province of China |
| HCQ | Halls Creek Airport | Kununurra | Australia |
| HCR | Holy Cross Airport | Holy Cross | United States of America |
| HCW | Cheraw Airport | Florence | United States of America |
| HDA | Hidden Falls Airport | Sitka | United States of America |
| HDB | Heidelberg Airport | Mannheim | Germany |
| HDD | Hyderabad Airport | Karachi |  Pakistan |
| HDE | Brewster Field Airport | Kearney | United States of America |
| HDF | Heringsdorf Airport | Heringsdorf | Germany |
| HDH | Dillingham Airfield Airport | Honolulu | United States of America |
| HDM | Hamadan Airport | Hamadan |  Iran (Islamic Republic of) |
| HDN | Yampa Valley Airport | Hayden | United States of America |
| HDR | Havadarya | Bandar Abbas | Iran (Islamic Republic of) |
| HDS | Hoedspruit Airport | Hoedspruit |  South Africa |
| HDY | Hat Yai Airport | Hat Yai |  Thailand |
| HEA | Herat Airport | Herat |  Afghanistan |
| HEB | Henzada Airport | Yangon |  Myanmar |
| HED | Herendeen Airport | Port Moller | United States of America |
| HEE | Thompson-Robbins Airport | Memphis | United States of America |
| HEH | Heho Airport | Heho | Myanmar |
| HEI | Heide-Buesum Airport | Westerland | Germany |
| HEK | Heihe Airport | Heihe | China |
| HEL | Helsinki-vantaa Airport | Helsinki |  Finland |
| HEM | Helsinki-malmi Airport | Helsinki | Finland |
| HEN | Hendon Airport | London | United Kingdom of Great Britain and Northern Ireland |
| HEO | Haelogo Airport | Port Moresby | Papua New Guinea |
| HER | Nikos Kazantzakis Airport | Heraklion |  Greece |
| HES | Hermiston Municipal Airport | Pendleton | United States of America |
| HET | Hohhot Airport | Hohhot | China |
| HEV | Huelva Airport | Huelva |  Spain |
| HEX | Santo Domingo Herrera | Santo Domingo |  Dominican Republic |
| HEY | Hanchey Army Heliport | Dothan | United States of America |
| HEZ | Hardy-Anders Airport | Monroe | United States of America |
| HFA | Haifa Airport | Haifa |  Israel |
| HFD | Hartford–Brainard Airport | Hartford | United States of America |
| HFE | Hefei Xinqiao International Airport | Hefei | China |
| HFF | Mackall Army Airfield | Fayetteville | United States of America |
| HFN | Hornafjordur Airport | Egilsstadir |  Iceland |
| HFS | Hagfors Airport | Hagfors | Sweden |
| HFT | Hammerfest Airport | Hammerfest | Norway |
| HFY | Greenwood Municipal Airport | Indianapolis | United States of America |
| HGA | Hargeisa Airport | Hargeisa | Somalia |
| HGD | Hughenden Airport | Winton | Australia |
| HGH | Hangzhou Airport | Hangzhou | China |
| HGL | Helgoland Airport | Westerland | Germany |
| HGN | Mae Hong Son Airport | Mae Hong Son | Thailand |
| HGO | Korhogo Airport | Korhogo |  Cote d'Ivoire |
| HGR | Hagerstown Regional Airport | Hagerstown | United States of America |
| HGS | Hastings | Freetown |  Sierra Leone |
| HGT | Hunter AAF | Savannah | United States of America |
| HGU | Kagamuga Airport | Mount Hagen | Papua New Guinea |
| HGZ | Hog River Airport | Huslia | United States of America |
| HHA | Huanghua International | Changsha | China |
| HHE | JMSDF Hachinohe Air Base | Aomori | Japan |
| HHH | Hilton Head Airport | Hilton Head | United States of America |
| HHI | Wheeler AFB | Honolulu | United States of America |
| HHN | Frankfurt-Hahn Airport | Frankfurt | Germany |
| HHQ | Hua Hin Airport | Utapao | Thailand |
| HHR | Hawthorne Municipal Airport / Jack Northrop Field | Los Angeles | United States of America |
| HHZ | Hikueru Airport | Kauehi |  French Polynesia |
| HIA | Huai'an Airport | Huai'an | China |
| HIB | Chisholm Airport | Hibbing | United States of America |
| HID | Horn Island Airport | Horn Island | Australia |
| HIE | Mount Washington Regional Airport | Lebanon | United States of America |
| HIF | Hill AFB | Salt Lake City | United States of America |
| HIG | Highbury Airport | Cooktown | Australia |
| HIH | Hook Island Airport | Hayman Island | Australia |
| HII | Lake Havasu City Airport | Bullhead City | United States of America |
| HIJ | Hiroshima Airport | Hiroshima | Japan |
| HIK | Hickam AFB | Honolulu | United States of America |
| HIL | Shillavo Airport | Gode/Iddidole |  Ethiopia |
| HIM | Hingurakgoda | Sigiriya |  Sri Lanka |
| HIN | Sacheon Airport | Jinju |  Korea (Republic of) |
| HIO | Hillsboro Airport (Portland–Hillsboro Airport) | Portland | United States of America |
| HIP | Headingly Airport | Mount Isa | Australia |
| HIR | Henderson International Airport | Honiara |  Solomon Islands |
| HIS | Hayman Island Airport | Hayman Island | Australia |
| HIT | Haivaro Airport | Moro | Papua New Guinea |
| HIW | Hiroshima–Nishi Airport | Hiroshima | Japan |
| HIX | Hiva Oa Airport | Atuona | French Polynesia |
| HJJ | Huaihua Zhijiang Airport | Huaihua | China |
| HJR | Khajuraho Airport | Khajuraho | India |
| HJT | Khujirt Airport | Ulaanbaatar |  Mongolia |
| HKA | Blytheville Municipal Airport | Memphis | United States of America |
| HKB | Healy Lake Airport | Fairbanks | United States of America |
| HKD | Hakodate Airport | Hakodate | Japan |
| HKG | Hong Kong International Airport (Chek Lap Kok Airp | Hong Kong |  Hong Kong |
| HKK | Hokitika Airport | Hokitika |  New Zealand |
| HKN | Hoskins Airport | Hoskins | Papua New Guinea |
| HKS | Hawkins Field | Jackson | United States of America |
| HKT | Phuket International Airport | Phuket | Thailand |
| HKV | Haskovo Airport | Plovdiv |  Bulgaria |
| HKY | Hickory Airport | Charlotte | United States of America |
| HLA | Lanseria Airport | Johannesburg | South Africa |
| HLB | Hillenbrand Airport | Cincinnati | United States of America |
| HLC | Hill City Airport | Hays | United States of America |
| HLD | Hailar Airport | Hailar | China |
| HLE | Saint Helena Airport | Jamestown | United Kingdom of Great Britain and Northern Ireland |
| HLF | Hultsfred - Vimmerby Airport | Linkoping | Sweden |
| HLG | Wheeling Ohio County Airport | Pittsburgh | United States of America |
| HLH | Ulanhot Airport | Ulanhot | China |
| HLI | Hollister Airport | Monterey | United States of America |
| HLL | Hillside Airport | Port Hedland | Australia |
| HLM | Park Township Airport | Muskegon | United States of America |
| HLN | Helena Regional Airport | Helena | United States of America |
| HLP | Halim Perdanakusuma International Airport | Jakarta |  Indonesia |
| HLR | Hood Army Airfield | Killeen | United States of America |
| HLS | St Helens Airport | Launceston | Australia |
| HLT | Hamilton Airport | Mount Gambier | Australia |
| HLU | Houailou Airport | Ouvea |  New Caledonia |
| HLV | Helenvale Airport | Cooktown | Australia |
| HLW | Hluhluwe Airport | Richards Bay | South Africa |
| HLY | Anglesey Airport | Valley | United Kingdom of Great Britain and Northern Ireland |
| HLZ | Hamilton Airport | Hamilton | New Zealand |
| HMA | Khanty-Mansiysk Airport | Khanty-Mansiysk |  Russian Federation |
| HME | Oued Irara Airport | Hassi Messaoud |  Algeria |
| HMG | Hermannsburg Airport | Alice Springs | Australia |
| HMI | Hami Airport | Hami | China |
| HMJ | Khmelnitskiy Airport | Chernivtsi |  Ukraine |
| HMN | Holloman AFB | El Paso | United States of America |
| HMO | Gen Pesqueira Garcia Airport | Hermosillo |  Mexico |
| HMR | Hamar Airport | Oslo | Norway |
| HMT | Hemet-Ryan Airport | Palm Springs | United States of America |
| HMV | Hemavan Airport | Hemavan | Sweden |
| HNA | Hanamaki Airport | Hanamaki | Japan |
| HNB | Huntingburg Airport | Owensboro | United States of America |
| HNC | Hatteras Airport | New Bern | United States of America |
| HND | Tokyo International Airport / Haneda Airport | Tokyo | Japan |
| HNE | Tahneta Pass Airport | Valdez | United States of America |
| HNG | Hienghene Airport | Ouvea | New Caledonia |
| HNH | Hoonah Airport | Hoonah | United States of America |
| HNI | Heiweni Airport | Lae | Papua New Guinea |
| HNK | Hinchinbrook Island Airport | Palm Island | Australia |
| HNL | Honolulu International Airport | Honolulu | United States of America |
| HNM | Hana Airport | Hana | United States of America |
| HNN | Honinabi Airport | Tari | Papua New Guinea |
| HNS | Haines Airport | Haines | United States of America |
| HNX | Hanna Airport | Havre | United States of America |
| HNY | Hengyang Airport | Hengyang | China |
| HOA | Hola Airport | Malindi |  Kenya |
| HOB | Lea County Regional Airport | Hobbs | United States of America |
| HOC | Komako Airport | Lae | Papua New Guinea |
| HOD | Hodeidah Airport | Sana'a |  Yemen |
| HOE | Houeisay Airport | Luang Namtha |  Lao People's Democratic Republic |
| HOF | Alahsa Airport | Hofuf | Saudi Arabia |
| HOG | Frank Pais Airport | Holguin | Cuba |
| HOH | Hohenems-Dornbirn Airport | Innsbruck |  Austria |
| HOI | Hao Island Airport | Kauehi | French Polynesia |
| HOK | Hooker Creek Airport | Kununurra | Australia |
| HOL | Holikachu Airport | Shageluk | United States of America |
| HOM | Homer Airport | Homer | United States of America |
| HON | Howes Airport | Aberdeen | United States of America |
| HOO | Nhon Co Airport | Banmethuot | Viet Nam |
| HOP | Campbell AAF | Nashville | United States of America |
| HOQ | Hof Airport | Erfurt | Germany |
| HOR | Horta Airport | Horta (Azores) |  Portugal |
| HOS | Chos Malal Airport | Neuquen |  Argentina |
| HOT | Memorial Field Airport | Hot Springs | United States of America |
| HOU | William P. Hobby Airport | Houston | United States of America |
| HOV | Hovden Airport | Orsta-Volda | Norway |
| HOX | Homalin Airport | Homalin | Myanmar |
| HOY | Hoy Island Airport | Wick | United Kingdom of Great Britain and Northern Ireland |
| HPB | Hooper Bay Airport | Hooper Bay | United States of America |
| HPE | Hope Vale Airport | Cooktown | Australia |
| HPH | Cat Bi International Airport | Haiphong | Viet Nam |
| HPT | Hampton Municipal Airport | Mason City | United States of America |
| HPV | Princeville Airport | Kauai Island | United States of America |
| HPY | Baytown Airport | Houston | United States of America |
| HQM | Bowerman Airport | Seattle | United States of America |
| HRA | Mansehra Airport | Islamabad | Pakistan |
| HRB | Harbin Taiping International Airport | Harbin | China |
| HRC | Zhairem Airport | Zhezkazgan |  Kazakhstan |
| HRE | Harare Airport | Harare |  Zimbabwe |
| HRG | Hurghada Airport International | Hurghada |  Egypt |
| HRI | Mattala Rajapaksa International Airport | Hambantota | Sri Lanka |
| HRJ | Chaurjhari Airport | Nepalganj |  Nepal |
| HRK | Kharkov Airport | Kharkov | Ukraine |
| HRL | Valley International Airport | Harlingen | United States of America |
| HRO | Boone County Airport | Harrison | United States of America |
| HRR | La Herrera Airport | Neiva |  Colombia |
| HRS | Harrismith Airport | Pietermaritzburg | South Africa |
| HRT | Linton-On-Ouse Airport | Leeds | United Kingdom of Great Britain and Northern Ireland |
| HRY | Henbury Airport | Alice Springs | Australia |
| HRZ | Horizontina Airport | Chapeco |  Brazil |
| HSB | Harrisburg-Raleigh Airport | Marion | United States of America |
| HSC | Shaoguan Airport | Guangzhou | China |
| HSG | Saga Airport | Saga | Japan |
| HSH | Henderson Executive Airport | Las Vegas | United States of America |
| HSI | Hastings Airport | Grand Island | United States of America |
| HSK | Huesca-Pirineos Airport | Huesca | Spain |
| HSL | Huslia Airport | Huslia | United States of America |
| HSM | Horsham Airport | Mount Gambier | Australia |
| HSN | Zhoushan Airport | Zhoushan | China |
| HSP | Ingalls Field Airport | Lewisburg | United States of America |
| HSS | Hissar Airport | Bhatinda | India |
| HST | AFB | Miami | United States of America |
| HSV | Huntsville International - Carl T. Jones Field Air | Huntsville | United States of America |
| HSZ | Hsinchu Airport | Shalu | Taiwan, Province of China |
| HTA | Chita Airport | Chita | Russian Federation |
| HTB | Terre-de-Bas Airport | Abymes |  Guadeloupe |
| HTF | Hatfield Airport | London | United Kingdom of Great Britain and Northern Ireland |
| HTG | Hatanga Airport | Hatanga | Russian Federation |
| HTH | Hawthorne Industrial Airport | Mammoth Lakes | United States of America |
| HTI | Hamilton Island Airport | Hamilton Island | Australia |
| HTL | Roscommon County Airport | Traverse City | United States of America |
| HTM | Khatgal | Ulaanbaatar | Mongolia |
| HTN | Hotan Airport | Hotan | China |
| HTO | East Hampton Airport | New Haven | United States of America |
| HTR | Hateruma Airport | Ishigaki | Japan |
| HTS | Tri-state/Milton Airport | Huntington | United States of America |
| HTU | Hopetoun Airport | Mildura | Australia |
| HTW | Lawrence County Airpark Airport | Huntington | United States of America |
| HTY | Hatay Airport | Antakya |  Turkey |
| HTZ | Hato Corozal Airport | Tame | Colombia |
| HUA | Redstone AAF | Huntsville | United States of America |
| HUB | Humbert River Airport | Kununurra | Australia |
| HUC | Humacao Airport | Vieques |  Puerto Rico |
| HUD | Humboldt Municipal Airport | Fort Dodge | United States of America |
| HUE | Humera Airport | Humera | Ethiopia |
| HUF | Hulman Field Airport | Indianapolis | United States of America |
| HUG | Huehuetenango Airport | Guatemala City |  Guatemala |
| HUH | Huahine Airport | Huahine | French Polynesia |
| HUI | Phu Bai Airport | Hue | Viet Nam |
| HUJ | Hugo Airport | Texarkana | United States of America |
| HUK | Hukuntsi Airport | Gaborone |  Botswana |
| HUL | Houlton International Airport | Presque Isle | United States of America |
| HUM | Terrebonne Airport | New Orleans | United States of America |
| HUN | Hualien Airport | Hualien | Taiwan, Province of China |
| HUQ | Houn Airport | Misurata |  Libya |
| HUS | Hughes Airport | Hughes | United States of America |
| HUT | Hutchinson Airport | Amarillo | United States of America |
| HUU | Huanuco Airport | Huanuco |  Peru |
| HUV | Hudiksvall Airport | Sundsvall | Sweden |
| HUX | Huatulco Airport | Huatulco | Mexico |
| HUY | Humberside International Airport | Humberside | United Kingdom of Great Britain and Northern Ireland |
| HUZ | Huizhou Airport | Huizhou | China |
| HVA | Analalava Airport | Nossi-be |  Madagascar |
| HVB | Hervey Bay Airport | Hervey Bay | Australia |
| HVD | Khovd Airport | Khovd | Mongolia |
| HVE | Hanksville Airport | Moab | United States of America |
| HVG | Valan Airport | Honningsvag | Norway |
| HVK | Holmavik Airport | Isafjordur | Iceland |
| HVM | Hvammstangi Airport | Reykjavik | Iceland |
| HVN | New Haven Airport | New Haven | United States of America |
| HVR | Havre City County Airport | Havre | United States of America |
| HVS | Hartsville Regional Airport | Florence | United States of America |
| HWA | Hawabango Airport | Lae | Papua New Guinea |
| HWD | Hayward Executive Airport | Hayward | United States of America |
| HWI | Hawk Inlet Seaplane Base | Juneau | United States of America |
| HWK | Wilpena Pound Airport | Whyalla | Australia |
| HWN | Hwange Nat Park Airport | Victoria Falls | Zimbabwe |
| HWO | North Perry Airport | Fort Lauderdale | United States of America |
| HXD | Hilton Head Airport | Hilton Head | United States of America |
| HXX | Hay Airport | Griffith | Australia |
| HYA | Barnstable Airport | Hyannis | United States of America |
| HYC | Wycombe Air Park / Booker Airfield | Milton Keynes | United Kingdom of Great Britain and Northern Ireland |
| HYD | Hyderabad Airport | Hyderabad | Pakistan |
| HYF | Hayfields Airport | Wewak | Papua New Guinea |
| HYG | Hydaburg Seaplane Base | Hydaburg | United States of America |
| HYL | Hollis Clark Bay Seaplane Base | Hydaburg | United States of America |
| HYN | Huangyan Airport | Taizhou | China |
| HYR | Sawyer County Airport | Duluth | United States of America |
| HYS | Hays Regional Airport | Hays | United States of America |
| HYV | Hyvinkaa Airport | Helsinki | Finland |
| HZB | Merville/Calonne Airport | Lille |  France |
| HZG | Hanzhong Airport | Hanzhong | China |
| HZH | Liping | Liping | China |
| HZK | Husavik Airport | Akureyri | Iceland |
| HZL | Hazleton Airport | Wilkes-Barre | United States of America |
| HZV | Hazyview Airport | Nelspruit | South Africa |