- Homer AirportIdent: PAHOServes: Homer
- Homestead Air Reserve BaseIdent: KHSTServes: Homestead
- Homey (Area 51) AirportIdent: KXTAServes: Groom Lake
- Houghton County Memorial AirportIdent: KCMXServes: Hancock
- Houlton International AirportIdent: KHULServes: Houlton
- Hunt FieldIdent: KLNDServes: Lander
- Hunter Army Air FieldIdent: KSVNServes: Savannah
- Huntsville International AirportIdent: KHSVServes: Huntsville
- Huntsville Regional AirportIdent: KUTSServes: Huntsville
- Hurlburt FieldIdent: KHRTServes: Mary Esther
- Huron Regional AirportIdent: KHONServes: Huron
- Huslia AirportIdent: PAHLServes: Huslia
- Hutchinson Municipal AirportIdent: KHUTServes: Hutchinson
- Idaho Falls Regional AirportIdent: KIDAServes: Idaho Falls
- Igor I Sikorsky Memorial AirportIdent: KBDRServes: Bridgeport
- Iliamna AirportIdent: PAILServes: Iliamna
- Imperial County AirportIdent: KIPLServes: Imperial
- Indian Mountain LRRS AirportIdent: PAIMServes: Utopia Creek
- Ithaca Tompkins Regional AirportIdent: KITHServes: Ithaca
- Jack Brooks Regional AirportIdent: KBPTServes: Beaumont/Port Arthur
- Jack Mc Namara Field AirportIdent: KCECServes: Crescent City
- Jack Northrop Field Hawthorne Municipal AirportIdent: KHHRServes: Hawthorne
- Jackson County Airport/Reynolds FieldIdent: KJXNServes: Jackson
- Jackson Hole AirportIdent: KJACServes: Jackson
- Jackson-Medgar Wiley Evers International AirportIdent: KJANServes: Jackson
- Jacksonville Executive at Craig AirportIdent: KCRGServes: Jacksonville
- Jacksonville Naval Air Station (Towers Field)Ident: KNIPServes: Jacksonville
- Jacqueline Cochran Regional AirportIdent: KTRMServes: Palm Springs
- James M. Cox Dayton International AirportIdent: KDAYServes: Dayton
- Jamestown Regional AirportIdent: KJMSServes: Jamestown
- Jim Hamilton L.B. Owens AirportIdent: KCUBServes: Columbia
- John Murtha Johnstown Cambria County AirportIdent: KJSTServes: Johnstown
- Johnston Regional AirportIdent: KJNXServes: Smithfield
- Joint Base AndrewsIdent: KADWServes: Camp Springs
- Jonesboro Municipal AirportIdent: KJBRServes: Jonesboro
- Joplin Regional AirportIdent: KJLNServes: Joplin
- Joslin Field Magic Valley Regional AirportIdent: KTWFServes: Twin Falls
- Julian Carroll AirportIdent: KJKLServes: Jackson
- Juneau International AirportIdent: PAJNServes: Juneau
- Kake AirportIdent: PAFEServes: Kake
- Kalaeloa AirportIdent: PHJRServes: Kapolei
- Kalamazoo/Battle Creek International AirportIdent: KAZOServes: Kalamazoo
- Kaneohe Bay MCAS (Marion E. Carl Field) AirportIdent: PHNGServes: Kaneohe
- Kapalua AirportIdent: PHJHServes: Lahaina
- Karl Stefan Memorial AirportIdent: KOFKServes: Norfolk
- Kearney Regional AirportIdent: KEARServes: Kearney
- Keesler Air Force BaseIdent: KBIXServes: Biloxi
- Kenai Municipal AirportIdent: PAENServes: Kenai
- Kenosha Regional AirportIdent: KENWServes: Kenosha
- Ketchikan International AirportIdent: PAKTServes: Ketchikan
- Key Field / Meridian Regional AirportIdent: KMEIServes: Meridian
- Key West International AirportIdent: KEYWServes: Key West
- Killeen Regional Airport / Robert Gray Army AirfieldIdent: KGRKServes: Fort Cavazos
- Kimble County AirportIdent: KJCTServes: Junction
- King County International Airport - Boeing FieldIdent: KBFIServes: Seattle
- King Salmon AirportIdent: PAKNServes: King Salmon
- Kingman AirportIdent: KIGMServes: Kingman
- Kingsville Naval Air StationIdent: KNQIServes: Kingsville
- Kinston Regional Jetport At Stallings FieldIdent: KISOServes: Kinston
- Kirksville Regional AirportIdent: KIRKServes: Kirksville