| H H Coffield Regional Airport | Rockdale | RCK · KRCK | 1 |
| Hale County Airport | Plainview | PVW · KPVW | 2 |
| Half Moon Bay Airport | Half Moon Bay | HAF · KHAF | 1 |
| Halliburton Field | Duncan | DUC · KDUC | 1 |
| Hampton Municipal Airport | Hampton | HPT · KHPT | 1 |
| Hampton Roads Executive Airport | Chesapeake | KPVG | 2 |
| Hanchey Army (Fort Rucker) Heliport | Fort Rucker Ozark | HEY | 1 |
| Hanksville Airport | Hanksville | HVE · KHVE | 2 |
| Harrell Field | Camden | CDH · KCDH | 1 |
| Harris County Airport | Pine Mountain | PIM · KPIM | 1 |
| Harrisburg-Raleigh Airport | Harrisburg | HSB · KHSB | 2 |
| Harrison County Airport | Marshall | ASL · KASL | 2 |
| Harry Clever Field | New Philadelphia | PHD · KPHD | 2 |
| Harry P Williams Memorial Airport | Patterson | PTN · KPTN | 2 |
| Harry Stern Airport | Wahpeton | WAH · KBWP | 2 |
| Hartness State Airport | North Springfield | VSF · KVSF | 2 |
| Hartsville Regional Airport | Hartsville | HVS · KHVS | 1 |
| Hastings Municipal Airport | Hastings | HSI · KHSI | 2 |
| Hawk Inlet Seaplane Base | Hawk Inlet | HWI | 1 |
| Hawkins Field | Jackson | HKS · KHKS | 2 |
| Hawthorne Industrial Airport | Hawthorne | HTH · KHTH | 2 |
| Hayward Executive Airport | Hayward | HWD · KHWD | 2 |
| Hazleton Municipal Airport | Hazleton | HZL · KHZL | 1 |
| Healy Lake Airport | Healy Lake | HKB | 0 |
| Healy River Airport | Healy | PAHV | 1 |
| Hemet Ryan Airport | Hemet | HMT · KHMT | 2 |
| Henderson Executive Airport | Las Vegas | HSH · KHND | 2 |
| Henry County Airport | Paris | PHT · KPHT | 1 |
| Henry Tift Myers Airport | Tifton | TMA · KTMA | 2 |
| Herendeen Bay Airport | Herendeen Bay | HED | 2 |
| Heritage Field | Pottstown | PTW · KPTW | 1 |
| Hermiston Municipal Airport | Hermiston | HES · KHRI | 1 |
| Hesler Noble Field | Laurel | LUL · KLUL | 1 |
| Hill City Municipal Airport | Hill City | HLC · KHLC | 1 |
| Hog River Airport | Hogatza | HGZ | 1 |
| Holbrook Municipal Airport | Holbrook | HBK | 2 |
| Hollister Municipal Airport | Hollister | HLI · KCVH | 2 |
| Hood Army Air Field | Fort Cavazos (Killeen) | HLR · KHLR | 1 |
| Hooker County Airport | Mullen | MHN | 1 |
| Hot Springs County Airport | Thermopolis | THP | 1 |
| Houma Terrebonne Airport | Houma | HUM · KHUM | 2 |
| Humboldt Municipal Airport | Humboldt | HUD | 1 |
| Huntingburg Airport | Huntingburg | HNB · KHNB | 1 |
| Hutchinson County Airport | Borger | BGD · KBGD | 2 |
| Icy Bay Airport | Icy Bay | ICY | 1 |
| Ida Grove Municipal Airport | Ida Grove | IDG · KIDG | 1 |
| Idaho County Airport | Grangeville | IDH · KGIC | 1 |
| Illinois Valley Regional Airport Walter A Duncan Field | Peru | VYS · KVYS | 2 |
| Immokalee Regional Airport | Immokalee | IMM · KIMM | 2 |
| Imperial Municipal Airport | Imperial | IML · KIML | 2 |
| Independence Municipal Airport | Independence | IDP · KIDP | 2 |
| Indiana County–Jimmy Stewart Airport | Indiana | IDI · KIDI | 1 |
| Industrial Airpark | Hobbs | HBB | 2 |
| Ingalls Field | Hot Springs | HSP · KHSP | 1 |
| Inyokern Airport | Inyokern | IYK · KIYK | 3 |
| Iosco County Airport | East Tawas | ECA | 1 |
| Iowa City Municipal Airport | Iowa City | IOW · KIOW | 2 |
| Iowa Falls Municipal Airport | Iowa Falls | IFA · KIFA | 1 |
| Iraan Municipal Airport | Iraan | IRB | 2 |
| Ivanof Bay Seaplane Base | Ivanof Bay | KIB | 1 |
| J. Randy McKnight Nephi Municipal Airport | Nephi | NPH | 1 |
| Jack Edwards National Airport | Gulf Shores | GUF · KJKA | 2 |
| Jackpot Airport/Hayden Field | Jackpot | KPT | 1 |
| Jackson Municipal Airport | Jackson | MJQ · KMJQ | 2 |
| Jacksonville Municipal Airport | Jacksonville | IJX · KIJX | 2 |
| Jaffrey Airfield Silver Ranch Airport | Jaffrey | AFN · KAFN | 1 |
| Jasper County Airport | Rensselaer | RNZ · KRZL | 2 |
| Jasper County Airport Bell Field | Jasper | JAS · KJAS | 1 |
| Jefferson City Memorial Airport | Jefferson City | JEF · KJEF | 2 |
| Jefferson County International Airport | Port Townsend | TWD | 1 |
| Jefferson Municipal Airport | Jefferson | EFW · KEFW | 2 |
| Jerry Tyler Memorial Airport | Niles | NLE | 2 |
| Jim Kelly Field | Lexington | LXN · KLXN | 2 |
| John F Kennedy Memorial Airport | Ashland | ASX · KASX | 2 |
| John H Batten Airport | Racine | RAC · KRAC | 2 |
| Johnson County Airport | Buffalo | BYG · KBYG | 1 |
| Johnson County Executive Airport | Olathe | OJC · KOJC | 1 |
| Joliet Regional Airport | Joliet | JOT · KJOT | 2 |
| Jordan Airport | Jordan | JDN · KJDN | 1 |
| Kalakaket Creek AS Airport | Kalakaket Creek | KKK | 1 |
| Kanab Municipal Airport | Kanab | KNB · KKNB | 1 |
| Karluk Lake Seaplane Base | Karluk Lake | KKL | 1 |
| Kawaihapai Airfield | Mokuleia | HDH · PHDH | 1 |
| Kayenta Airport | Kayenta | MVM | 1 |
| Kegelman AF Aux Field | Cherokee | CKA · KCKA | 1 |
| Kemmerer Municipal Airport | Kemmerer | EMM · KEMM | 3 |
| Kennett Memorial Airport | Kennett | KNT · KTKX | 2 |
| Kentland Municipal Airport | Kentland | KKT | 1 |
| Keokuk Municipal Airport | Keokuk | EOK · KEOK | 2 |
| Kerrville / Kerr County Airport at Louis Schreiner Field | Kerrville | ERV · KERV | 2 |
| Kickapoo Downtown Airport | Wichita Falls | KIP · KCWC | 1 |
| Kirk Field | Paragould | PGR · KPGR | 2 |
| Kirsch Municipal Airport | Sturgis | IRS · KIRS | 2 |
| Kneeland Airport | Kneeland | NLN | 1 |
| Kodiak Municipal Airport | Kodiak | KDK · PAKD | 1 |
| Kokomo Municipal Airport | Kokomo | OKK · KOKK | 2 |
| Kosciusko Attala County Airport | Kosciusko | OSX · KOSX | 1 |
| Kulik Lake Airport | Kulik Lake | LKK · PAKL | 2 |
| L O Simenstad Municipal Airport | Osceola | OEO · KOEO | 2 |
| La Grande/Union County Airport | La Grande | LGD · KLGD | 2 |