| - | - | Greene County Regional Airport | Greensboro | |
| GLH | KGLH | Greenville Airport | Greenville | |
| GMU | KGMU | Greenville Downtown Airport | Greenville | |
| GGG | KGGG | Gregg County Airport | Longview | |
| RME | KRME | Griffiss International Airport | Rome | |
| GON | KGON | Groton-New London Airport | New London | |
| - | KGMJ | Grove Municipal | Grove | |
| GPT | KGPT | Gulfport-Biloxi International Airport | Gulfport | |
| GUC | KGUC | Gunnison Airport | Gunnison | |
| GST | PAGS | Gustavus Airport | Gustavus | |
| GUY | KGUY | Guymon Municipal Airport | Guymon | |
| - | KLZU | Gwinnett County Airport at Briscoe Field | Lawrenceville | |
| - | KCQF | H. L. Sonny Callahan Airport | Fairhope | |
| HNS | PAHN | Haines Municipal Airport | Haines | |
| - | KHDC | Hammond Northshore Regional Airport | Hammond | |
| HNM | PHHN | Hana Airport | Hana | |
| - | KHRJ | Harnett Regional Jetport | Erwin | |
| HAR | KCXY | Harrisburg Capital City Airport | Harrisburg | |
| VSF | KVSF | Hartness State Airport | Springfield | |
| HSI | KHSI | Hastings Airport | Hastings | |
| HNC | KHSE | Hatteras Airport | Hatteras | |
| PIB | KPIB | Hattiesburg-Laurel Regional Airport | Laurel | |
| HAE | - | Havasupai Airport | Havasupai | |
| HVR | KHVR | Havre City County Airport | Havre | |
| HKS | KHKS | Hawkins Field | Jackson | |
| HHR | KHHR | Hawthorne Municipal Airport | Hawthorne | |
| HYS | KHYS | Hays Municipal Airport | Hays | |
| HWD | KHWD | Hayward Executive Airport | Hayward | |
| HYR | KHYR | Hayward Municipal Airport | Hayward | |
| HKB | - | Healy Lake Airport | Healy Lake | |
| - | - | Heber City Mun-Mcdonald | Heber | |
| - | KHBZ | Heber Springs Municipal Airport | Heber Springs | |
| HLN | KHLN | Helena Regional Airport | Helena | |
| HSH | KHND | Henderson Executive Airport | Las Vegas | |
| - | - | Henry County Airport - Tara Field | Hampton | |
| PTW | KPTW | Heritage Field | Pottstown | |
| - | KHEG | Herlong Recreational Airport | Jacksonville | |
| HHH | KHXD | Hilton Head Airport | Hilton Head | |
| HYL | - | Hollis Seaplane Base | Hollis | |
| HCR | PAHC | Holy Cross Airport | Holy Cross | |
| HOM | PAHO | Homer Airport | Homer | |
| HNH | PAOH | Hoonah Airport | Hoonah | |
| HPB | PAHP | Hooper Bay Airport | Hooper Bay | |
| CMX | KCMX | Houghton County Airport | Hancock | |
| HUM | KHUM | Houma-Terrebonne Airport | Houma | |
| HCA | - | Howard County Airport | Big Spring | |
| HON | KHON | Howes Airport | Huron | |
| CVR | - | Hughes Airport | Culver City | |
| HUS | - | Hughes Municipal Airport | Hughes | |
| HUJ | KHHW | Hugo Airport | Hugo | |