- Friday Harbor AirportIdent: KFHRServes: Friday Harbor
- Friedman Memorial AirportIdent: KSUNServes: Hailey
- Fulton County Airport Brown FieldIdent: KFTYServes: Atlanta
- Gainesville Regional AirportIdent: KGNVServes: Gainesville
- Gallup Municipal AirportIdent: KGUPServes: Gallup
- Gambell AirportIdent: PAGMServes: Gambell
- Garden City Regional AirportIdent: KGCKServes: Garden City
- Garfield County Regional AirportIdent: KRILServes: Rifle
- Gary/Chicago International AirportIdent: KGYYServes: Gary
- General Wayne A. Downing Peoria International AirportIdent: KPIAServes: Peoria
- General William J Fox AirfieldIdent: KWJFServes: Lancaster
- Glacier Park International AirportIdent: KGPIServes: Kalispell
- Glasgow Valley County Airport Wokal FieldIdent: KGGWServes: Glasgow
- Godman Army Air FieldIdent: KFTKServes: Fort Knox
- Golden Triangle Regional AirportIdent: KGTRServes: Columbus/W Point/Starkville
- Goodland Municipal AirportIdent: KGLDServes: Goodland
- Grand Canyon National Park AirportIdent: KGCNServes: Grand Canyon - Tusayan
- Grand Forks Air Force BaseIdent: KRDRServes: Grand Forks
- Grand Forks International AirportIdent: KGFKServes: Grand Forks
- Grand Junction Regional AirportIdent: KGJTServes: Grand Junction
- Grand Strand AirportIdent: KCREServes: North Myrtle Beach
- Grant County AirportIdent: KSVCServes: Silver City
- Grant County International AirportIdent: KMWHServes: Moses Lake
- Gray Army Air FieldIdent: KGRFServes: Joint Base Lewis McChord
- Great Falls International AirportIdent: KGTFServes: Great Falls
- Greater Binghamton/Edwin A Link fieldIdent: KBGMServes: Binghamton
- Greater Kankakee AirportIdent: KIKKServes: Kankakee
- Greenbrier Valley AirportIdent: KLWBServes: Lewisburg
- Greenville Downtown AirportIdent: KGMUServes: Greenville
- Greenville-Spartanburg International AirportIdent: KGSPServes: Greenville/Greer/Spartanburg
- Greenwood–Leflore AirportIdent: KGWOServes: Greenwood
- Griffiss International AirportIdent: KRMEServes: Rome
- Grissom Air Reserve BaseIdent: KGUSServes: Peru
- Groton New London AirportIdent: KGONServes: Groton
- Gulfport Biloxi International AirportIdent: KGPTServes: Gulfport
- Gulkana AirportIdent: PAGKServes: Gulkana
- Gunnison Crested Butte Regional AirportIdent: KGUCServes: Gunnison
- Gustavus AirportIdent: PAGSServes: Gustavus
- Guymon Municipal AirportIdent: KGUYServes: Guymon
- Hagerstown Regional Richard A Henson FieldIdent: KHGRServes: Hagerstown
- Haines AirportIdent: PAHNServes: Haines
- Hana AirportIdent: PHHNServes: Hana
- Hancock County-Bar Harbor AirportIdent: KBHBServes: Bar Harbor
- Harrisburg International AirportIdent: KMDTServes: Harrisburg
- Hartford Brainard AirportIdent: KHFDServes: Hartford
- Hattiesburg Bobby L Chain Municipal AirportIdent: KHBGServes: Hattiesburg
- Hattiesburg Laurel Regional AirportIdent: KPIBServes: Moselle
- Havre City County AirportIdent: KHVRServes: Havre
- Hays Regional AirportIdent: KHYSServes: Hays
- Hector International AirportIdent: KFARServes: Fargo
- Helena Regional AirportIdent: KHLNServes: Helena
- Henry Post Army Air FieldIdent: KFSIServes: Fort Sill
- Hickam Air Force BaseIdent: PHIKServes: Honolulu
- Hickory Regional AirportIdent: KHKYServes: Hickory
- Hill Air Force BaseIdent: KHIFServes: Ogden
- Hilo International AirportIdent: PHTOServes: Hilo
- Hilton Head AirportIdent: KHXDServes: Hilton Head Island
- Hobart Regional AirportIdent: KHBRServes: Hobart
- Holloman Air Force BaseIdent: KHMNServes: Alamogordo
- Holy Cross AirportIdent: PAHCServes: Holy Cross