| HUL | KHUL | Houlton International Airport | Houlton | |
| - | - | Houston Co | Mc Kinnon | |
| - | - | Houston Co | Crockett | |
| - | KCHU | Houston Co | Caledonia | |
| - | - | Houston Memorial | Houston | |
| - | - | Houston Municipal | Houston | |
| - | KAXH | Houston Southwest Airport | Houston | |
| - | - | Hoven Municipal | Hoven | |
| - | - | Howard Co | Nashville | |
| - | - | Howard Municipal | Howard | |
| - | - | Howe | Howe | |
| - | - | Howell-New Lenox | New Lenox | |
| - | - | Hoxie-Sheridan Co | Hoxie | |
| - | - | Huggins Memorial | Timmonsville | |
| - | KHQG | Hugoton Municipal | Hugoton | |
| HUF | KHUF | Hulman Field | Terre Haute | |
| HUD | - | Humboldt Airport | Humboldt | |
| - | - | Humboldt Municipal | Humboldt | |
| HBO | - | Humboldt Municipal Airport | Humboldt | |
| - | - | Hummel | Saluda | |
| - | - | Humphreys Co | Waverly | |
| - | - | Hunt | Portland | |
| LND | KLND | Hunt Field | Lander | |
| HGT | - | Hunter Army Air Field | Jolon | |
| HNB | KHNB | Huntingburg Municipal Airport | Huntingburg | |
| HTW | KHTW | Huntington County Airport | Chesapeake | |
| - | - | Huntington Municipal | Huntington | |
| - | KHHG | Huntington Municipal | Huntington | |
| HTV | KUTS | Huntsville Airport | Huntsville | |
| - | - | Huntsville-Madison Co Regional | Huntsville | |
| - | - | Hurdle | Mebane | |
| - | KHRT | Hurlburt | Mary Esther | |
| - | KBAX | Huron Co Memorial | Bad Axe | |
| - | - | Hurricane | Hurricane | |
| HUT | KHUT | Hutchinson Airport | Hutchinson | |
| - | KHCD | Hutchinson Mun-Butler | Hutchinson | |
| - | - | Hyampom | Hyampom | |
| DEO | - | Hyatt Regency Heliport | Dearborn | |
| - | - | Hyde Co | Engelhard | |
| - | - | Hysham | Hysham | |
| ICY | - | Icy Bay Airport | Icy Bay | |
| IDG | KIDG | Ida Grove Municipal Airport | Ida Grove | |
| - | - | Idabel | Idabel | |
| - | - | Idaho City Usfs | Idaho City | |
| - | - | Idaho Co | Grangeville | |
| - | - | Illinois Valley | Cave Junction | |
| VYS | KVYS | Illinois Valley Regional Airport | Peru | |
| IMM | KIMM | Immokalee Airport | Immokalee | |
| IML | KIML | Imperial Airport | Imperial | |
| - | - | Independence | Independence | |