| -HA- | | | | | |
| HAA | ENHK | Hasvik Airport | Hasvik, Norway | UTC+01:00 | Mar-Oct |
| HAB | KHAB | Marion County – Rankin Fite Airport | Hamilton, Alabama, United States | UTC−06:00 | Mar-Nov |
| HAC | RJTH | Hachijojima Airport | Hachijō-jima (Hachijojima), Izu Islands, Japan | UTC+09:00 | |
| HAD | ESMT | Halmstad Airport (Halmstad City Airport) | Halmstad, Sweden | UTC+01:00 | Mar-Oct |
| HAF | KHAF | Half Moon Bay Airport | Half Moon Bay, California, United States | UTC−08:00 | Mar-Nov |
| HAH | FMCH | Prince Said Ibrahim International Airport | Moroni, Comoros | UTC+03:00 | |
| HAI | KHAI | Three Rivers Municipal Airport (Dr. Haines Flying Field) | Three Rivers, Michigan, United States | UTC−05:00 | Mar-Nov |
| HAJ | EDDV | Hannover Airport | Hanover, Lower Saxony, Germany | UTC+01:00 | Mar-Oct |
| HAK | ZJHK | Haikou Meilan International Airport | Haikou, Hainan, China | UTC+08:00 | |
| HAL | FYHI | Halali Airport | Halali, Namibia | UTC+01:00 | Sep-Apr |
| HAM | EDDH | Hamburg Airport | Hamburg, Germany | UTC+01:00 | Mar-Oct |
| HAN | VVNB | Noi Bai International Airport | Hanoi, Vietnam | UTC+07:00 | |
| HAO | KHAO | Butler County Regional Airport | Hamilton, Ohio, United States | UTC−05:00 | Mar-Nov |
| HAQ | VRMH | Hanimaadhoo International Airport | Hanimaadhoo, Haa Dhaalu Atoll, Maldives | UTC+05:00 | |
| HAR | KCXY | Capital City Airport (FAA: CXY) | Harrisburg, Pennsylvania, United States | UTC−05:00 | Mar-Nov |
| HAS | OEHL | Ha'il Regional Airport | Ha'il (Hail), Saudi Arabia | UTC+03:00 | |
| HAT | YHTL | Heathlands Airport | Heathlands, Queensland, Australia | UTC+10:00 | |
| HAU | ENHD | Haugesund Airport, Karmøy | Haugesund, Norway | UTC+01:00 | Mar-Oct |
| HAV | MUHA | José Martí International Airport | Havana, Cuba | UTC−05:00 | Mar-Nov |
| HAW | EGFE | Haverfordwest Aerodrome | Haverfordwest, Wales, United Kingdom | UTC±00:00 | Mar-Oct |
| HAY | | Hacaritama Airport | Aguachica, Colombia | UTC−05:00 | |
| HAZ | | Hatzfeldthaven Airport | Hatzfeldthaven, Papua New Guinea | UTC+10:00 | |
| -HB- | | | | | |
| HBA | YMHB | Hobart Airport | Hobart, Tasmania, Australia | UTC+10:00 | Oct-Apr |
| HBB | | Hobbs Industrial Airpark | Hobbs, New Mexico, United States | UTC−07:00 | Mar-Nov |
| HBD | | Habi Airport | Habi, Papua New Guinea | UTC+10:00 | |
| HBE | HEBA | Borg El Arab International Airport | Alexandria / Borg El Arab, Egypt | UTC+02:00 | |
| HBG | KHBG | Hattiesburg Bobby L. Chain Municipal Airport | Hattiesburg, Mississippi, United States | UTC−06:00 | Mar-Nov |
| HBH | | Entrance Island Seaplane Base (Hobart Bay) (FAA: 2Z1) | Entrance Island, Alaska, United States | UTC−09:00 | Mar-Nov |
| HBK | | Holbrook Municipal Airport[1] (FAA: P14) | Holbrook, Arizona, United States | UTC−07:00 | |
| HBQ | | Qilian Airport | Qilian, Qinghai, China | | |
| HBR | KHBR | Hobart Regional Airport | Hobart, Oklahoma, United States | UTC−06:00 | Mar-Nov |
| HBT | | Hambantota Sea Plane Base | Hambantota, Sri Lanka | UTC+05:30 | |
| HBU | ZMBS | Bulgan Airport, Khovd[1] | Bulgan (Khovd Province), Mongolia | UTC+07:00 | |
| HBX | VAHB | Hubli Airport | Hubli / Dharwad, Karnataka, India | UTC+05:30 | |
| -HC- | | | | | |
| HCA | KBPG | Big Spring McMahon–Wrinkle Airport[1] (FAA: BPG) | Big Spring, Texas, United States | UTC−06:00 | Mar-Nov |
| HCC | | Columbia County Airport (FAA: 1B1) | Hudson, New York, United States | UTC−05:00 | Mar-Nov |
| HCJ | ZGHC | Hechi Jinchengjiang Airport | Hechi, Guangxi, China | UTC+08:00 | |
| HCM | HCME | Eyl Airport | Eyl, Somalia | UTC+03:00 | |
| HCN | RCKW | Hengchun Airport | Hengchun, Taiwan | UTC+08:00 | |
| HCQ | YHLC | Halls Creek Airport | Halls Creek, Western Australia, Australia | UTC+08:00 | |
| HCR | PAHC | Holy Cross Airport (FAA: HCA) | Holy Cross, Alaska, United States | UTC−09:00 | Mar-Nov |
| HCW | KCQW | Cheraw Municipal Airport (Lynch Bellinger Field, FAA: CQW) | Cheraw, South Carolina, United States | UTC−05:00 | Mar-Nov |
| HCZ | ZGCZ | Chenzhou Beihu Airport | Chenzhou, Hunan, China | UTC+08:00 | |
| -HD- | | | | | |
| HDB | EDIU | Heidelberg Airport | Heidelberg, Baden-Württemberg, Germany | UTC+01:00 | Mar-Oct |
| HDD | OPKD | Hyderabad Airport | Hyderabad, Pakistan | UTC+05:00 | |
| HDE | KHDE | Brewster Field | Holdrege, Nebraska, United States | UTC−06:00 | Mar-Nov |
| HDF | EDAH | Heringsdorf Airport | Heringsdorf, Mecklenburg-Vorpommern, Germany | UTC+01:00 | Mar-Oct |
| HDG | ZBHD | Handan Airport | Handan, Hebei, China | UTC+08:00 | |
| HDH | PHDH | Dillingham Airfield | Mokulēia, Hawaii, United States | UTC−10:00 | |
| HDK | VRBK | Kulhudhuffushi Airport | Haa Dhaalu Atoll, Maldives | UTC+05:00 | |
| HDM | OIHH | Hamadan Airport | Hamadan, Iran | UTC+03:30 | Mar-Sep |
| HDN | KHDN | Yampa Valley Airport | Hayden, Colorado, United States | UTC−07:00 | Mar-Nov |
| HDO | VIDX | Hindon Airport | Delhi, India | UTC+05:30 | |
| HDR | OIKP | Havadarya Airport[1] | Bandar Abbas, Iran | UTC+03:30 | Mar-Sep |
| HDS | FAHS | Air Force Base Hoedspruit | Hoedspruit, South Africa | UTC+02:00 | |
| HDY | VTSS | Hat Yai International Airport | Hat Yai, Thailand | UTC+07:00 | |
| -HE- | | | | | |
| HEA | OAHR | Herat International Airport | Herat, Afghanistan | UTC+04:30 | |
| HEB | VBHD | Hinthada Airport | Hinthada, Myanmar | UTC+06:30 | |
| HED | | Herendeen Bay Airport (FAA: AK33) | Herendeen Bay, Alaska, United States | UTC−09:00 | Mar-Nov |
| HEE | KHEE | Thompson–Robbins Airport | Helena-West Helena, Arkansas, United States | UTC−06:00 | Mar-Nov |
| HEH | VYHH | Heho Airport | Heho, Myanmar | UTC+06:30 | |
| HEI | EDXB | Heide–Büsum Airport | Heide / Büsum, Schleswig-Holstein, Germany | UTC+01:00 | Mar-Oct |
| HEK | ZYHE | Heihe Airport | Heihe, Heilongjiang, China | UTC+08:00 | |
| HEL | EFHK | Helsinki Airport (Helsinki-Vantaa Airport) | Helsinki, Finland | UTC+02:00 | Mar-Oct |
| HEM | EFHF | Helsinki-Malmi Airport | Helsinki, Finland | UTC+02:00 | Mar-Oct |
| HEO | | Haelogo Airport | Haelogo, Papua New Guinea | UTC+10:00 | |
| HER | LGIR | Heraklion International Airport (Nikos Kazantzakis Airport) | Heraklion, Greece | UTC+02:00 | Mar-Oct |
| HES | KHRI | Hermiston Municipal Airport (FAA: HRI) | Hermiston, Oregon, United States | UTC−08:00 | Mar-Nov |
| HET | ZBHH | Hohhot Baita International Airport | Hohhot, Inner Mongolia, China | UTC+08:00 | |
| HEZ | KHEZ | Natchez–Adams County Airport (Hardy–Anders Field) | Natchez, Mississippi, United States | UTC−06:00 | Mar-Nov |
| -HF- | | | | | |
| HFA | LLHA | Haifa Airport (Uri Michaeli Airport) | Haifa, Israel | UTC+02:00 | Mar-Oct |
| HFD | KHFD | Hartford–Brainard Airport | Hartford, Connecticut, United States | UTC−05:00 | Mar-Nov |
| HFE | ZSOF | Hefei Xinqiao International Airport (formerly Hefei Luogang International Airport) | Hefei, Anhui, China | UTC+08:00 | |
| HFF | KHFF | Mackall Army Airfield | Hoffman, North Carolina, United States | UTC−05:00 | Mar-Nov |
| HFN | BIHN | Hornafjörður Airport | Höfn, Iceland | UTC±00:00 | |
| HFS | ESOH | Hagfors Airport | Hagfors, Sweden | UTC+01:00 | Mar-Oct |
| HFT | ENHF | Hammerfest Airport | Hammerfest, Norway | UTC+01:00 | Mar-Oct |
| -HG- | | | | | |
| HGA | HCMH | Hargeisa International Airport (Egal Int'l) | Hargeisa, Somalia | UTC+03:00 | |
| HGD | YHUG | Hughenden Airport | Hughenden, Queensland, Australia | UTC+10:00 | |
| HGE | SVHG[2] | Higuerote Airport[1] | Higuerote, Venezuela | UTC−04:00 | |
| HGH | ZSHC | Hangzhou Xiaoshan International Airport | Hangzhou, Zhejiang, China | UTC+08:00 | |
| HGI | HSFA | Paloich Airport[1] | Higlieg, Sudan | UTC+03:00 | |
| HGL | EDXH | Heligoland Airfield | Heligoland, Schleswig-Holstein, Germany | UTC+01:00 | Mar-Oct |
| HGN | VTCH | Mae Hong Son Airport | Mae Hong Son, Thailand | UTC+07:00 | |
| HGO | DIKO | Korhogo Airport | Korhogo, Ivory Coast | UTC±00:00 | |
| HGR | KHGR | Hagerstown Regional Airport (Richard A. Henson Field) | Hagerstown, Maryland, United States | UTC−05:00 | Mar-Nov |
| HGS | GFHA | Hastings Airport | Freetown, Sierra Leone | UTC±00:00 | |
| HGU | AYMH | Mount Hagen Airport | Mount Hagen, Papua New Guinea | UTC+10:00 | |
| HGZ | | Hog River Airport (FAA: 2AK6) | Hogatza, Alaska, United States | UTC−09:00 | Mar-Nov |
| -HH- | | | | | |
| HHE | RJSH | JMSDF Hachinohe Air Base | Hachinohe, Honshu, Japan | UTC+09:00 | |
| HHH | KHXD | Hilton Head Airport (FAA: HXD) | Hilton Head Island, South Carolina, United States | UTC−05:00 | Mar-Nov |
| HHI | PHHI | Wheeler Army Airfield | Wahiawa, Hawaii, United States | UTC−10:00 | |
| HHN | EDFH | Frankfurt–Hahn Airport | Hahn, Rhineland-Palatinate, Germany | UTC+01:00 | Mar-Oct |
| HHQ | VTPH | Hua Hin Airport | Hua Hin, Thailand | UTC+07:00 | |
| HHR | KHHR | Hawthorne Municipal Airport (Jack Northrop Field) | Hawthorne, California, United States | UTC−08:00 | Mar-Nov |
| HHZ | NTGH | Hikueru Airport | Hikueru Atoll, French Polynesia | UTC−10:00 | |
| -HI- | | | | | |
| HIA | ZSSH | Huai'an Lianshui Airport | Huai'an, Jiangsu, China | UTC+08:00 | |
| HIB | KHIB | Range Regional Airport | Hibbing, Minnesota, United States | UTC−06:00 | Mar-Nov |
| HID | YHID | Horn Island Airport | Horn Island, Queensland, Australia | UTC+10:00 | |
| HIE | KHIE | Mount Washington Regional Airport | Whitefield, New Hampshire, United States | UTC−05:00 | Mar-Nov |
| HIF | KHIF | Hill Air Force Base | Ogden, Utah, United States | UTC−07:00 | Mar-Nov |
| HIG | YHHY | Highbury Airport | Highbury, Queensland, Australia | UTC+10:00 | |
| HII | KHII | Lake Havasu City Airport | Lake Havasu City, Arizona, United States | UTC−07:00 | |
| HIJ | RJOA | Hiroshima Airport | Hiroshima, Honshu, Japan | UTC+09:00 | |
| HIL | HASL | Shilavo Airport | Shilavo, Ethiopia | UTC+03:00 | |
| HIM | VCCH | Hingurakgoda Airport (Minneriya Airport) | Hingurakgoda, Sri Lanka | UTC+05:30 | |
| HIN | RKPS | Sacheon Airport | Jinju, South Korea | UTC+09:00 | |
| HIO | KHIO | Hillsboro Airport (Portland–Hillsboro Airport) | Hillsboro / Portland, Oregon, United States | UTC−08:00 | Mar-Nov |
| HIP | YHDY | Headingly Airport | Headingly, Queensland, Australia | UTC+10:00 | |
| HIR | AGGH | Honiara International Airport | Honiara, Guadalcanal, Solomon Islands | UTC+11:00 | |
| HIT | AYHO | Haivaro Airport | Haivaro, Papua New Guinea | UTC+10:00 | |
| HIW | RJBH | Hiroshima–Nishi Airport | Hiroshima, Honshu, Japan | UTC+09:00 | |
| -HJ- | | | | | |
| HJJ | ZGCJ | Huaihua Zhijiang Airport | Huaihua, Hunan, China | UTC+08:00 | |
| HJR | VAKJ | Civil Aerodrome Khajuraho | Khajuraho, Madhya Pradesh, India | UTC+05:30 | |
| HJT | ZMHU | Khujirt Airport | Khujirt, Mongolia | UTC+08:00 | |
| -HK- | | | | | |
| HKA | KHKA | Blytheville Municipal Airport | Blytheville, Arkansas, United States | UTC−06:00 | Mar-Nov |
| HKB | | Healy Lake Airport | Healy Lake, Alaska, United States | UTC−09:00 | Mar-Nov |
| HKD | RJCH | Hakodate Airport | Hakodate, Hokkaido, Japan | UTC+09:00 | |
| HKG | VHHH | Hong Kong International Airport (Chek Lap Kok Airport) | Hong Kong | UTC+08:00 | |
| HKK | NZHK | Hokitika Airport | Hokitika, New Zealand | UTC+12:00 | Sep-Apr |
| HKN | AYHK | Hoskins Airport | Kimbe, Papua New Guinea | UTC+10:00 | |
| HKS | KHKS | Hawkins Field | Jackson, Mississippi, United States | UTC−06:00 | Mar-Nov |
| HKT | VTSP | Phuket International Airport | Phuket, Thailand | UTC+07:00 | |
| HKV | LBHS | Haskovo Malevo Airport | Haskovo, Bulgaria | UTC+02:00 | Mar-Oct |
| HKY | KHKY | Hickory Regional Airport | Hickory, North Carolina, United States | UTC−05:00 | Mar-Nov |
| -HL- | | | | | |
| HLA | FALA | Lanseria International Airport | Johannesburg, South Africa | UTC+02:00 | |
| HLB | KHLB | Hillenbrand Industries Airport | Batesville, Indiana, United States | UTC−05:00 | Mar-Nov |
| HLC | KHLC | Hill City Municipal Airport | Hill City, Kansas, United States | UTC−06:00 | Mar-Nov |
| HLD | ZBLA | Hulunbuir Hailar Airport | Hailar, Inner Mongolia, China | UTC+08:00 | |
| HLE | FHSH | Saint Helena Airport | Jamestown, British Overseas Territory | UTC+00:00 | |
| | | of Saint Helena, Ascension and Tristan da Cunha | | |
| HLF | ESSF | Hultsfred-Vimmerby Airport | Hultsfred / Vimmerby, Sweden | UTC+01:00 | Mar-Oct |
| HLG | KHLG | Wheeling Ohio County Airport | Wheeling, West Virginia, United States | UTC−05:00 | Mar-Nov |
| HLH | ZBUL | Ulanhot Airport | Ulanhot, Inner Mongolia, China | UTC+08:00 | |
| HLI | KCVH | Hollister Municipal Airport (FAA: CVH) | Hollister, California, United States | UTC−08:00 | Mar-Nov |
| HLL | YHIL | Hillside Airport | Hillside, Western Australia, Australia | UTC+08:00 | |
| HLM | KHLM | Park Township Airport | Holland, Michigan, United States | UTC−05:00 | Mar-Nov |
| HLN | KHLN | Helena Regional Airport | Helena, Montana, United States | UTC−07:00 | Mar-Nov |
| HLP | WIHH | Halim Perdanakusuma International Airport | Jakarta, Indonesia | UTC+07:00 | |
| HLR | KHLR | Yoakum–DeFrenn Army Heliport | Fort Cavazos / Killeen, Texas, United States | UTC−06:00 | Mar-Nov |
| HLS | YSTH | St Helens Airport | St Helens, Tasmania, Australia | UTC+10:00 | Oct-Apr |
| HLT | YHML | Hamilton Airport | Hamilton, Victoria, Australia | UTC+10:00 | Oct-Apr |
| HLV | | Helenvale Airport | Helenvale, Queensland, Australia | UTC+10:00 | |
| HLW | FAHL | Hluhluwe Airport | Hluhluwe, South Africa | UTC+02:00 | |
| HLZ | NZHN | Hamilton Airport | Hamilton, New Zealand | UTC+12:00 | Sep-Apr |
| -HM- | | | | | |
| HMA | USHH | Khanty-Mansiysk Airport | Khanty-Mansiysk, Khanty-Mansi Autonomous Okrug, Russia | UTC+05:00 | |
| HMB | HEMK | Sohag International Airport[1] | Sohag, Egypt | UTC+02:00 | |
| HME | DAUH | Oued Irara–Krim Belkacem Airport | Hassi Messaoud, Algeria | UTC+01:00 | |
| HMG | YHMB | Hermannsburg Airport | Hermannsburg, Northern Territory, Australia | UTC+09:30 | |
| HMI | ZWHM | Hami Airport (Kumul Airport) | Hami, Xinjiang, China | UTC+06:00 | |
| HMJ | UKLH | Khmelnytskyi Airport | Khmelnytsky, Ukraine | UTC+02:00 | Mar-Oct |
| HMN | KHMN | Holloman Air Force Base | Alamogordo, New Mexico, United States | UTC−07:00 | Mar-Nov |
| HMO | MMHO | General Ignacio Pesqueira García International Airport | Hermosillo, Sonora, Mexico | UTC−07:00 | |
| HMR | ENHA | Hamar Airport, Stafsberg | Hamar, Norway | UTC+01:00 | Mar-Oct |
| HMT | KHMT | Hemet-Ryan Airport | Hemet, California, United States | UTC−08:00 | Mar-Nov |
| HMV | ESUT | Hemavan Tärnaby Airport | Hemavan / Tärnaby, Sweden | UTC+01:00 | Mar-Oct |
| HMY | RKTP | Seosan Air Base[1] | Seosan, South Korea | UTC+09:00 | |
| -HN- | | | | | |
| HNA | RJSI | Hanamaki Airport | Hanamaki, Honshu, Japan | UTC+09:00 | |
| HNB | KHNB | Huntingburg Airport | Huntingburg, Indiana, United States | UTC−05:00 | Mar-Nov |
| HNC | KHSE | Billy Mitchell Airport (FAA: HSE) | Hatteras, North Carolina, United States | UTC−05:00 | Mar-Nov |
| HND | RJTT | Haneda Airport | Tokyo, Honshu, Japan | UTC+09:00 | |
| HNH | PAOH | Hoonah Airport | Hoonah, Alaska, United States | UTC−09:00 | Mar-Nov |
| HNI | | Heiweni Airport | Heiweni, Papua New Guinea | UTC+10:00 | |
| HNL | PHNL | Honolulu International Airport | Honolulu, Hawaii, United States | UTC−10:00 | |
| HNM | PHHN | Hana Airport | Hana, Hawaii, United States | UTC−10:00 | |
| HNN | | Honinabi Airport | Honinabi, Papua New Guinea | UTC+10:00 | |
| HNS | PAHN | Haines Airport | Haines, Alaska, United States | UTC−09:00 | Mar-Nov |
| HNY | ZGHY | Hengyang Nanyue Airport | Hengyang, Hunan, China | UTC+08:00 | |
| -HO- | | | | | |
| HOA | HKHO | Hola Airport | Hola, Kenya | UTC+03:00 | |
| HOB | KHOB | Lea County Regional Airport | Hobbs, New Mexico, United States | UTC−07:00 | Mar-Nov |
| HOC | | Komako Airport | Komako, Papua New Guinea | UTC+10:00 | |
| HOD | OYHD | Hodeida International Airport | Al Hudaydah (Hodeida), Yemen | UTC+03:00 | |
| HOE | VLHS | Ban Huoeisay Airport | Ban Houayxay (Ban Huoeisay), Laos | UTC+07:00 | |
| HOF | OEAH | Al-Ahsa International Airport | Hofuf, Saudi Arabia | UTC+03:00 | |
| HOG | MUHG | Frank País Airport | Holguín, Cuba | UTC−05:00 | Mar-Nov |
| HOH | LOIH | Hohenems-Dornbirn Airport | Dornbirn, Austria | UTC+01:00 | Mar-Oct |
| HOI | NTTO | Hao Airport | Hao, Tuamotus, French Polynesia | UTC−10:00 | |
| HOK | YHOO | Hooker Creek Airport | Lajamanu, Northern Territory, Australia | UTC+09:30 | |
| HOM | PAHO | Homer Airport | Homer, Alaska, United States | UTC−09:00 | Mar-Nov |
| HON | KHON | Huron Regional Airport | Huron, South Dakota, United States | UTC−06:00 | Mar-Nov |
| HOO | | Nhon Co Airport | Quang Duc, Vietnam | UTC+07:00 | |
| HOP | KHOP | Campbell Army Airfield | Fort Campbell / Hopkinsville, Kentucky, United States | UTC−06:00 | Mar-Nov |
| HOQ | EDQM | Hof–Plauen Airport | Hof, Bavaria, Germany | UTC+01:00 | Mar-Oct |
| HOR | LPHR | Horta Airport | Horta, Azores, Portugal | UTC−01:00 | Mar-Oct |
| HOS | SAHC | Chos Malal Airport | Chos Malal, Neuquén, Argentina | UTC−03:00 | |
| HOT | KHOT | Memorial Field Airport | Hot Springs, Arkansas, United States | UTC−06:00 | Mar-Nov |
| HOU | KHOU | William P. Hobby Airport | Houston, Texas, United States | UTC−06:00 | Mar-Nov |
| HOV | ENOV | Ørsta–Volda Airport, Hovden | Ørsta / Volda, Norway | UTC+01:00 | Mar-Oct |
| HOX | VYHL | Homalin Airport | Homalin, Myanmar | UTC+06:30 | |
| HOY | | Hoy Island Airport | Longhope, Scotland, United Kingdom | UTC±00:00 | Mar-Oct |
| -HP- | | | | | |
| HPA | NFTL | Lifuka Island Airport (Salote Pilolevu Airport) | Lifuka, Haʻapai, Tonga | UTC+13:00 | Nov-Jan |
| HPB | PAHP | Hooper Bay Airport | Hooper Bay, Alaska, United States | UTC−09:00 | Mar-Nov |
| HPE | | Hopevale Airport | Hopevale, Queensland, Australia | UTC+10:00 | |
| HPG | ZHSN | Shennongjia Hongping Airport | Shennongjia, Hubei, China | UTC+08:00 | |
| HPH | VVCI | Cat Bi International Airport | Haiphong, Vietnam | UTC+07:00 | |
| HPN | KHPN | Westchester County Airport | White Plains, New York, United States | UTC−05:00 | Mar-Nov |
| HPT | KHPT | Hampton Municipal Airport | Hampton, Iowa, United States | UTC−06:00 | Mar-Nov |
| HPV | | Princeville Airport (FAA: HI01) | Hanalei, Hawaii, United States | UTC−10:00 | |
| HPY | KHPY | Baytown Airport | Baytown, Texas, United States | UTC−06:00 | Mar-Nov |
| -HQ- | | | | | |
| HQM | KHQM | Bowerman Airport | Hoquiam, Washington, United States | UTC−08:00 | Mar-Nov |
| -HR- | | | | | |
| HRB | ZYHB | Harbin Taiping International Airport | Harbin, Heilongjiang, China | UTC+08:00 | |
| HRC | | Zhayrem Airport | Zhayrem, Kazakhstan | UTC+06:00 | |
| HRE | FVHA | Harare International Airport | Harare, Zimbabwe | UTC+02:00 | |
| HRG | HEGN | Hurghada International Airport | Hurghada, Egypt | UTC+02:00 | |
| HRI | VCRI | Mattala Rajapaksa International Airport | Hambantota, Sri Lanka | UTC+05:30 | |
| HRK | UKHH | Kharkiv International Airport (Osnova Airport) | Kharkiv, Ukraine | UTC+02:00 | Mar-Oct |
| HRL | KHRL | Valley International Airport | Harlingen, Texas, United States | UTC−06:00 | Mar-Nov |
| HRM | DAFH | Hassi R'Mel Airport (Tilrempt Airport) | Hassi R'Mel, Algeria | UTC+01:00 | |
| HRO | KHRO | Boone County Airport | Harrison, Arkansas, United States | UTC−06:00 | Mar-Nov |
| HRR | | La Herrera Airport | La Herrera, Colombia | UTC−05:00 | |
| HRS | FAHR | Harrismith Airport | Harrismith, South Africa | UTC+02:00 | |
| HRT | EGXU | RAF Linton-on-Ouse | Linton-on-Ouse, England, United Kingdom | UTC±00:00 | Mar-Oct |
| HRY | YHBY | Henbury Airport | Henbury, Northern Territory, Australia | UTC+09:30 | |
| HRZ | SSHZ[3] | Horizontina Airport | Horizontina, Rio Grande do Sul, Brazil | UTC−03:00 | |
| -HS- | | | | | |
| HSA | UAIT | Hazret Sultan International Airport | Turkistan, Turkistan Region, Kazakhstan | UTC+06:00 | |
| HSB | KHSB | Harrisburg-Raleigh Airport | Harrisburg, Illinois, United States | UTC−06:00 | Mar-Nov |
| HSC | | Shaoguan Guitou Airport | Shaoguan, Guangdong, China | UTC+08:00 | |
| HSG | RJFS | Saga Airport | Saga, Kyushu, Japan | UTC+09:00 | |
| HSH | KHND | Henderson Executive Airport (FAA: HND) | Las Vegas, Nevada, United States | UTC−08:00 | Mar-Nov |
| HSI | KHSI | Hastings Municipal Airport | Hastings, Nebraska, United States | UTC−06:00 | Mar-Nov |
| HSJ | | Zhengzhou Shangjie Airport[1] | Zhengzhou, Henan, China | UTC+08:00 | |
| HSK | LEHC | Huesca–Pirineos Airport | Huesca, Aragon, Spain | UTC+01:00 | Mar-Oct |
| HSL | PAHL | Huslia Airport (FAA: HLA) | Huslia, Alaska, United States | UTC−09:00 | Mar-Nov |
| HSM | YHSM | Horsham Airport | Horsham, Victoria, Australia | UTC+10:00 | Oct-Apr |
| HSN | ZSZS | Zhoushan Putuoshan Airport | Zhoushan, Zhejiang, China | UTC+08:00 | |
| HSP | KHSP | Ingalls Field | Hot Springs, Virginia, United States | UTC−05:00 | Mar-Nov |
| HSR | VAHS | Rajkot International Airport | Rajkot, Gujarat, India | UTC+05:30 | |
| HSS | VIHR | Hisar Airport | Hisar, Haryana, India | UTC+05:30 | |
| HST | KHST | Homestead Air Reserve Base | Homestead, Florida, United States | UTC−05:00 | Mar-Nov |
| HSV | KHSV | Huntsville International Airport (Carl T. Jones Field) | Huntsville, Alabama, United States | UTC−06:00 | Mar-Nov |
| HSZ | RCPO | Hsinchu Air Base | Hsinchu, Taiwan | UTC+08:00 | |
| -HT- | | | | | |
| HTA | UIAA | Chita International Airport (Kadala Airport) | Chita, Zabaykalsky Krai, Russia | UTC+09:00 | |
| HTG | UOHH | Khatanga Airport | Khatanga, Krasnoyarsk Krai, Russia | UTC+07:00 | |
| HTH | KHTH | Hawthorne Industrial Airport | Hawthorne, Nevada, United States | UTC−08:00 | Mar-Nov |
| HTI | YBHM | Hamilton Island Airport | Hamilton Island, Queensland, Australia | UTC+10:00 | |
| HTL | KHTL | Roscommon County–Blodgett Memorial Airport | Houghton Lake, Michigan, United States | UTC−05:00 | Mar-Nov |
| HTM | ZMHG | Khatgal Airport[1] | Khatgal, Mongolia | UTC+07:00 | |
| HTN | ZWTN | Hotan Airport | Hotan, Xinjiang, China | UTC+06:00 | |
| HTO | KHTO | East Hampton Airport | East Hampton, New York, United States | UTC−05:00 | Mar-Nov |
| HTR | RORH | Hateruma Airport | Hateruma, Yaeyama Islands, Japan | UTC+09:00 | |
| HTS | KHTS | Tri-State Airport (Milton J. Ferguson Field) | Huntington, West Virginia, United States | UTC−05:00 | Mar-Nov |
| HTT | | Huatugou Airport | Huatugou, Qinghai, China | UTC+08:00 | |
| HTU | YHPN | Hopetoun Airport | Hopetoun, Victoria, Australia | UTC+10:00 | Oct-Apr |
| HTV | KUTS | Huntsville Municipal Airport (Bruce Brothers Regional) | Huntsville, Texas, United States | UTC−06:00 | Mar-Nov |
| HTW | KHTW | Lawrence County Airpark | Chesapeake / Huntington (WV), Ohio, United States | UTC−05:00 | Mar-Nov |
| HTY | LTDA | Hatay Airport | Hatay, Turkey | UTC+03:00 | |
| HTZ | SKHC | Hato Corozal Airport | Hato Corozal, Colombia | UTC−05:00 | |
| -HU- | | | | | |
| HUA | KHUA | Redstone Army Airfield | Redstone Arsenal / Huntsville, Alabama, United States | UTC−06:00 | Mar-Nov |
| HUB | YHBR | Humbert River Airport | Humbert River, Northern Territory, Australia | UTC+09:30 | |
| HUC | | Humacao Airport | Humacao, Puerto Rico, United States | UTC−04:00 | |
| HUD | | Humboldt Municipal Airport (FAA: 0K7) | Humboldt, Iowa, United States | UTC−06:00 | Mar-Nov |
| HUE | HAHU | Humera Airport | Humera, Ethiopia | UTC+03:00 | |
| HUF | KHUF | Terre Haute International Airport (Hulman Field) | Terre Haute, Indiana, United States | UTC−05:00 | Mar-Nov |
| HUG | MGHT | Huehuetenango Airport | Huehuetenango, Guatemala | UTC−06:00 | |
| HUH | NTTH | Huahine – Fare Airport | Huahine, Society Islands, French Polynesia | UTC−10:00 | |
| HUI | VVPB | Phu Bai International Airport | Huế, Vietnam | UTC+07:00 | |
| HUJ | KHHW | Stan Stamper Municipal Airport (FAA: HHW) | Hugo, Oklahoma, United States | UTC−06:00 | Mar-Nov |
| HUK | | Hukuntsi Airport | Hukuntsi, Botswana | UTC+02:00 | |
| HUL | KHUL | Houlton International Airport | Houlton, Maine, United States | UTC−05:00 | Mar-Nov |
| HUM | KHUM | Houma–Terrebonne Airport | Houma, Louisiana, United States | UTC−06:00 | Mar-Nov |
| HUN | RCYU | Hualien Airport | Hualien, Taiwan | UTC+08:00 | |
| HUO | ZBHZ | Holingol Huolinhe Airport[1] | Holingol (Huolinguole), Inner Mongolia, China | UTC+08:00 | |
| HUQ | HLON | Hun Airport | Hun, Libya | UTC+02:00 | |
| HUS | PAHU | Hughes Airport | Hughes, Alaska, United States | UTC−09:00 | Mar-Nov |
| HUT | KHUT | Hutchinson Municipal Airport | Hutchinson, Kansas, United States | UTC−06:00 | Mar-Nov |
| HUU | SPNC | Alférez FAP David Figueroa Fernandini Airport | Huánuco, Peru | UTC−05:00 | |
| HUV | ESNH | Hudiksvall Airport | Hudiksvall, Sweden | UTC+01:00 | Mar-Oct |
| HUW | SWHT | Francisco Correa da Cruz Airport[1] | Humaitá, Amazonas, Brazil | UTC−04:00 | |
| HUX | MMBT | Bahías de Huatulco International Airport | Huatulco, Oaxaca, Mexico | UTC−06:00 | Apr-Oct |
| HUY | EGNJ | Humberside Airport | Kingston upon Hull, England, United Kingdom | UTC±00:00 | Mar-Oct |
| HUZ | ZGHZ | Huizhou Pingtan Airport | Huizhou, Guangdong, China | UTC+08:00 | |
| -HV- | | | | | |
| HVA | FMNL | Analalava Airport | Analalava, Madagascar | UTC+03:00 | |
| HVB | YHBA | Hervey Bay Airport | Hervey Bay, Queensland, Australia | UTC+10:00 | |
| HVD | ZMKD | Khovd Airport | Khovd, Mongolia | UTC+07:00 | |
| HVE | KHVE | Hanksville Airport | Hanksville, Utah, United States | UTC−07:00 | Mar-Nov |
| HVG | ENHV | Honningsvåg Airport, Valan | Honningsvåg, Norway | UTC+01:00 | Mar-Oct |
| HVK | BIHK | Hólmavík Airport | Hólmavík, Iceland | UTC±00:00 | |
| HVN | KHVN | Tweed New Haven Airport | New Haven, Connecticut, United States | UTC−05:00 | Mar-Nov |
| HVR | KHVR | Havre City–County Airport | Havre, Montana, United States | UTC−07:00 | Mar-Nov |
| HVS | KHVS | Hartsville Regional Airport | Hartsville, South Carolina, United States | UTC−05:00 | Mar-Nov |
| -HW- | | | | | |
| HWA | | Hawabango Airport | Hawabango, Papua New Guinea | UTC+10:00 | |
| HWD | KHWD | Hayward Executive Airport | Hayward, California, United States | UTC−08:00 | Mar-Nov |
| HWI | | Hawk Inlet Seaplane Base | Hawk Inlet, Alaska, United States | UTC−09:00 | Mar-Nov |
| HWK | YHAW | Wilpena Pound Airport | Hawker, South Australia, Australia | UTC+09:30 | Oct-Apr |
| HWN | FVWN | Hwange National Park Airport | Hwange National Park, Zimbabwe | UTC+02:00 | |
| HWO | KHWO | North Perry Airport | Hollywood, Florida, United States | UTC−05:00 | Mar-Nov |
| -HX- | | | | | |
| HXD | ZLDL | Delingha Airport | Delingha, Qinghai, China | UTC+08:00 | |
| HXX | YHAY | Hay Airport | Hay, New South Wales, Australia | UTC+10:00 | Oct-Apr |
| -HY- | | | | | |
| HYA | KHYA | Barnstable Municipal Airport (Boardman/Polando Field) | Hyannis, Massachusetts, United States | UTC−05:00 | Mar-Nov |
| HYC | EGTB[4] | Wycombe Air Park | High Wycombe, England, United Kingdom | UTC±00:00 | Mar-Oct |
| HYD | VOHS | Rajiv Gandhi International Airport | Hyderabad, Telangana, India | UTC+05:30 | |
| HYF | | Hayfields Airport | Hayfields, Papua New Guinea | UTC+10:00 | |
| HYG | PAHY | Hydaburg Seaplane Base | Hydaburg, Alaska, United States | UTC−09:00 | Mar-Nov |
| HYL | | Hollis Clark Bay Seaplane Base | Hollis, Alaska, United States | UTC−09:00 | Mar-Nov |
| HYN | ZSLQ | Taizhou Luqiao Airport | Taizhou, Zhejiang, China | UTC+08:00 | |
| HYR | KHYR | Sawyer County Airport | Hayward, Wisconsin, United States | UTC−06:00 | Mar-Nov |
| HYS | KHYS | Hays Regional Airport | Hays, Kansas, United States | UTC−06:00 | Mar-Nov |
| HYV | EFHV | Hyvinkää Airfield | Hyvinkää, Finland | UTC+02:00 | Mar-Oct |
| -HZ- | | | | | |
| HZA | ZSHZ | Heze Mudan Airport | Heze, Shandong, China | UTC+08:00 | |
| HZB | LFQT | Merville–Calonne Airport | Hazebrouck, Nord-Pas-de-Calais, France | UTC+01:00 | Mar-Oct |
| HZG | ZLHZ | Hanzhong Chenggu Airport | Hanzhong, Shaanxi, China | UTC+08:00 | |
| HZH | ZUNP | Liping Airport | Liping, Guizhou, China | UTC+08:00 | |
| HZK | BIHU | Húsavík Airport | Húsavík, Iceland | UTC±00:00 | |
| HZL | KHZL | Hazleton Municipal Airport | Hazleton, Pennsylvania, United States | UTC−05:00 | Mar-Nov |
| HZP | CYNR | Fort MacKay/Horizon Airport[1] | Fort McKay, Alberta, Canada | UTC−07:00 | Mar-Nov |
| HZU | | Chengdu Huaizhou Airport | Chengdu, Sichuan, China | UTC+08:00 | |
| HZV | FAHW | Hazyview Airport | Hazyview, South Africa | UTC+02:00 | |
