The following is a lists of IATA airport codes, IATA location identifiers or IATA station codes. The three-letter codes are selected by the International Air Transport Association (IATA) designate many airports around the world. The characters prominently displayed on baggage tags attached at airport check-in desks are an example of a way these codes are used.
The assignment of these codes is governed by IATA Resolution 767, and it is administered by IATA headquarters in Montreal. The codes are published biannually in the IATA Airline Coding Directory.
- UAM (PGUA): Andersen AFB, Agana, Guam
- UAO (KUAO): Aurora State Airport, Aurora, Oregon, United States
- UBA (SBUR): Uberaba Municipal Airport, Uberaba, Minas Gerais, Brazil
- UBE (KUBE): Cumberland Municipal Airport, Cumberland, Wisconsin, United States
- UBS (KUBS): Columbus-Lowndes County Airport, Columbus, Mississippi, United States
- UBW (PAKU): Ugnu-Kuparuk Airport, Kuparuk, Alaska, United States
- UBX (KUBX): Cuba Municipal Airport, Cuba, Missouri, United States
- UBP (VTUT): Ubon Ratchathni - Loeng Nok Tha Airport, Ubon Ratchathani, Thailand
- UCA (KUCA): Oneida County Airport, Utica, New York, United States
- UCP (KUCP): New Castle Municipal Airport, New Castle, Pennsylvania, United States
- UCY (KUCY): Everett-Stewart Airport, Union City, Tennessee, United States
- UDD (KUDD): Bermuda Dunes Airport, Palm Springs, California, United States
- UDG (KUDG): Darlington County Jetport Airport, Darlington, South Carolina, United States
- UDE (KUDG): Volkel Airport, Volkel, Netherlands
- UDI (SBUL): Ten. Cel. Av. César Bombonato Airport, Uberlândia, Brazil
- UEL (FQQL): Quelimane Airport, Quelimane, Mozambique
- UES (KUES): Waukesha County Airport, Waukesha, Wisconsin, United States
- UFA (UWUU): Ufa Airport, Ufa, Russia
- UGB, Ugashik Bay Airport, Pilot Point, Alaska, United States
- UGN (KUGN): Waukegan Regional Airport, Chicago/Waukegan, Illinois, United States
- UHF (EGUA): Upper Heyford RAF, Upper Heyford, Oxfordshire, England, United Kingdom
- UIL (KUIL): Quillayute Airport, Quillayute, Washington, United States
- UIN (KUIN): Quincy Regional Airport (Baldwin Field): Quincy, Illinois, United States
- UIO (SEQU): Mariscal Sucre International Airport, Quito, Ecuador
- UKF (KUKF): Wilkes County Airport, North Wilkesboro, North Carolina, United States
- UKI (KUKI): Ukiah Municipal Airport, Ukiah, California, United States
- UKK (UASK): Oskemen Airport, Oskemen, Kazakhstan
- UKL (KUKL): Coffey County Airport, Burlington, Kansas, United States
- UKS (UKFB): Belbek Airport, Sevastopol, Autonomous Republic of Crimea, Ukraine
- UKT (KUKT): Quakertown Airport, Quakertown, Pennsylvania, United States
- ULM (KULM): New Ulm Municipal Airport, New Ulm, Minnesota, United States
- ULN (ZMUB): Chinggis Khaan International Airport, Ulan Bator, Mongolia
- ULS (KULS): Ulysses Airport, Ulysses, Kansas, United States
- ULY (UWLW): Ulyanovsk Vostochny Airport, Ulyanovsk, Russia
- UME (ESNU): Alvik Airport, Umea, Sweden
- UMM (PAST): Summit Airport, Summit, Alaska, United States
- UMP (KUMP): Indianapolis Metropolitan Airport, Indianapolis, Indiana, United States
- UMT (PAUM): Umiat Airport, Umiat, Alaska, United States
- UND (OAUZ): Kunduz Airport, Kunduz, Afghanistan
- UNI (KUNI): Ohio University Snyder Field, Athens/Albany, Ohio, United States
- UNI (KUNI): Union Island Airport, Union Island, Saint Vincent and the Grenadines
- UNK (PAUN): Unalakleet Airport, Unalakleet, Alaska, United States
- UNN, Ranong Airport, Ranong, Thailand
- UNO (KUNO): West Plains Municipal Airport, West Plains, Missouri, United States
- UNU (KUNU): Dodge County Airport, Juneau, Wisconsin, United States
- UOS (KUOS): Franklin County Airport, Sewanee, Tennessee, United States
- UOX (KUOX): University-Oxford Airport, Oxford, Mississippi, United States
- UPL (MRUP): Upala Airport, Upala, Costa Rica
- UPN (MMPN): Uruapan International Airport (Lic. y Gen. Ignacio López Rayón International Airport), Uruapan, Michoacán, Mexico
- UPP (PHUP): Upolu Airport, Hawi, Hawaii, United States
- URA (UARR): Oral Ak Zhol Airport, Oral, Kazakhstan
- URC (ZWWW): Diwopu Airport, Urumqi, China
- URE (EEKE): Kuressaare Airport, Kuressaare, Saaremaa, Estonia
- URT (VTSB): Surat Thani Airport, Surat Thani, Thailand
- USE (KUSE): Fulton County Airport, Wauseon, Ohio, United States
- USH (SAWH): Ushuaia International Airport, Ushuaia, Argentina
- USI (SYMB): Mabaruma Airport, Mabaruma, Guyana
- USQ (LTBO): Uşak Airport, Uşak, Turkey
- UTA (KUTA): Tunica Municipal Airport, Tunica, Mississippi, United States
- UTN (FAUP): Upington Airport, Upington, South Africa
- UTO (PAIM): Indian Mountain LRRS, Utopia Creek, Alaska, United States
- UTS (KUTS): Huntsville Municipal Airport, Huntsville, Texas, United States
- UUO (PAUO): Willow Airport, Willow, Alaska, United States
- UUS (UHSS): Yuzhno-Sakhalinsk Airport, Yuzhno-Sakhalinsk, Russia
- UUU (KUUU): Newport State Airport (Rhode Island): Newport, Rhode Island, United States
- UUV (KUUV): Sullivan Regional Airport, Sullivan, Missouri, United States
- UVA (KUVA): Garner Field, Uvalde, Texas, United States
- UVF (TLPL): Hewanorra International Airport, Vieux-Fort, Saint Lucia
- UWL (KUWL): New Castle-Henry County Municipal Airport, New Castle, Indiana, United States
- UYF (KUYF): Madison County Airport, London, Ohio, United States
- UZA (KUZA): Rock Hill/York County Airport (Bryant Field): Rock Hill, South Carolina, United States
- UZC (LYUZ): Užice-Ponikve Airport, Užice, Serbia
