Appendix:IATA airport codes/U

UA

 * UAM (PGUA): Andersen AFB, Agana, Guam
 * UAO (KUAO): Aurora State Airport, Aurora, Oregon, United States

UB

 * 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

UC

 * 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

UD

 * 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

UE

 * UEL (FQQL): Quelimane Airport, Quelimane, Mozambique
 * UES (KUES): Waukesha County Airport, Waukesha, Wisconsin, United States

UF

 * UFA (UWUU): Ufa Airport, Ufa, Russia

UG

 * UGB, Ugashik Bay Airport, Pilot Point, Alaska, United States
 * UGN (KUGN): Waukegan Regional Airport, Chicago/Waukegan, Illinois, United States

UH

 * UHF (EGUA): Upper Heyford RAF, Upper Heyford, Oxfordshire, England, United Kingdom

UI

 * 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

UK

 * 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

UL

 * 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

UM

 * 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

UN

 * 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

UO

 * UOS (KUOS): Franklin County Airport, Sewanee, Tennessee, United States
 * UOX (KUOX): University-Oxford Airport, Oxford, Mississippi, United States

UP

 * 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

UR

 * 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

US

 * 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

UT

 * 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

UU

 * 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

UV

 * UVA (KUVA): Garner Field, Uvalde, Texas, United States
 * UVF (TLPL): Hewanorra International Airport, Vieux-Fort, Saint Lucia

UW

 * UWL (KUWL): New Castle-Henry County Municipal Airport, New Castle, Indiana, United States

UY

 * UYF (KUYF): Madison County Airport, London, Ohio, United States

UZ

 * UZA (KUZA): Rock Hill/York County Airport (Bryant Field): Rock Hill, South Carolina, United States
 * UZC (LYUZ): Užice-Ponikve Airport, Užice, Serbia