| A.N.R. Robinson International Airport | TAB | Scarborough | TT |
| Adolfo López Mateos International Airport | TLC | Toluca | MX |
| Aguenar – Hadj Bey Akhamok Airport | TMR | Tamanrasset | DZ |
| Alberto Delgado Airport | TND | Trinidad | CU |
| Amado Nervo National Airport | TPQ | Tepic | MX |
| Angel Albino Corzo International Airport | TGZ | Tuxtla Gutiérrez | MX |
| Ben Gurion International Airport | TLV | Tel Aviv | IL |
| Bohol-Panglao International Airport | TAG | Panglao | PH |
| Bonriki International Airport | TRW | South Tarawa | KI |
| Cadete FAP Guillermo Del Castillo Paredes Airport | TPP | Tarapoto | PE |
| Capitán FAP Carlos Martínez de Pinillos International Airport | TRU | Trujillo | PE |
| Capitan Oriel Lea Plaza Airport | TJA | Tarija | BO |
| Captain Pedro Canga Rodríguez International Airport | TBP | Tumbes | PE |
| Captain Victor Montes Arias International Airport | TYL | Talara | PE |
| Cheikh Larbi Tébessi Airport | TEE | Tébessi | DZ |
| Chengdu Tianfu International Airport | TFU | Chengdu (Jianyang) | CN |
| Cherry Capital Airport | TVC | Traverse City | US |
| China Bay Airport | TRR | Trincomalee | LK |
| Chuuk International Airport | TKK | Weno Island | FM |
| Congo Town Airport | TZN | Andros | BS |
| Coronel FAP Carlos Ciriani Santa Rosa International Airport | TCQ | Tacna | PE |
| Daegu International Airport | TAE | Daegu | KR |
| Daniel Z. Romualdez Airport | TAC | Tacloban City | PH |
| Dashoguz International Airport | TAZ | Daşoguz | TM |
| Dawei Airport | TVY | Dawei | MM |
| Dong Tac Airport | TBB | Tuy Hoa | VN |
| Eugene F. Kranz Toledo Express Airport | TOL | Toledo | US |
| Felipe Carrillo Puerto International Airport Tulum | TQO | Tulum | MX |
| Francisco Manglona Borja / Tinian International Airport | TIQ | Tinian Island | MP |
| Francisco Sarabia Tinoco International Airport | TRC | Torreón | MX |
| Fua'amotu International Airport | TBU | Nuku'alofa | TO |
| General Abelardo L. Rodriguez International Airport | TIJ | Tijuana | MX |
| General Francisco Javier Mina International Airport | TAM | Ciudad Madero | MX |
| Golfo de Morrosquillo Airport | TLU | Santiago de Tolú | CO |
| Gustavo Vargas Airport | TME | Tame | CO |
| H A S Hanandjoeddin International Airport | TJQ | Tanjung Pandan | ID |
| Huangshan Tunxi International Airport | TXN | Huangshan | CN |
| Ivato International Airport | TNR | Antananarivo | MG |
| Jinan Yaoqiang International Airport | TNA | Jinan (Licheng) | CN |
| Joslin Field Magic Valley Regional Airport | TWF | Twin Falls | US |
| Juwata International Airport / Suharnoko Harbani AFB | TRK | Tarakan | ID |
| Kigoma Airport | TKQ | Kigoma | TZ |
| Konotori Tajima Airport | TJH | Toyooka | JP |
| Kulob International Airport | TJU | Kulob | TJ |
| La Florida Airport | TCO | Tumaco | CO |
| Lajes Airport | TER | Praia da Vitória | PT |
| Lennart Meri Tallinn Airport | TLL | Tallinn | EE |
| Lieutenant Colonel Luis A. Mantilla International Airport | TUA | Tulcán | EC |
| Matei Airport | TVU | Matei | FJ |
| McGhee Tyson Airport | TYS | Knoxville/Maryville | US |
| Mehrabad International Airport | THR | Tehran | IR |
| Mozes Kilangin Airport | TIM | Timika | ID |
| New Bight Airport | TBI | Cat Island | BS |
| New Tanegashima Airport | TNE | Tanegashima | JP |
| Pituffik Space Base | THU | Pituffik | GL |
| Plastun Airport | TLY | Plastun | RU |
| Plínio Alarcom Airport | TJL | Três Lagoas | BR |
| Podgorica Airport / Podgorica Golubovci Airbase | TGD | Podgorica | ME |
| Poprad-Tatry Airport | TAT | Poprad | SK |
| Prince Sultan bin Abdulaziz International Airport | TUU | Tabuk | SA |
| Qingdao Jiaodong International Airport | TAO | Qingdao (Jiaozhou) | CN |
| Radin Inten II International Airport | TKG | Bandar Lampung | ID |
| Raja Haji Fisabilillah International Airport | TNJ | Tanjung Pinang-Bintan Island | ID |
| Ralph M Calhoun Memorial Airport | TAL | Tanana | US |
| Rembele Airport | TXE | Takengon | ID |
| Roshchino International Airport | TJM | Tyumen | RU |
| Sandefjord Airport, Torp | TRF | Sandefjord(Torp) | NO |
| Sanga Sanga Airport | TWT | Bongao | PH |
| Sania Ramel Airport | TTU | Tétouan | MA |
| São Tomé International Airport | TMS | São Tomé | ST |
| Sasereme Airport | TDS | Sasereme | PG |
| Senador Petrônio Portela Airport | THE | Teresina | BR |
| Sir Barry Bowen Municipal Airport | TZA | Belize City | BZ |
| Sukhothai Airport | THS | — | TH |
| Sultan Babullah Airport | TTE | Ternate | ID |
| Sultan Bantilan Airport | TLI | Toli Toli-Celebes Island | ID |
| Sultan Mahmud Airport | TGG | Kuala Terengganu | MY |
| Taba International Airport | TCP | Taba | EG |
| Tabarka-Aïn Draham International Airport | TBJ | Tabarka | TN |
| Tabatinga International Airport | TBT | Tabatinga | BR |
| Tabora Airport | TBO | Tabora | TZ |
| Tabriz International Airport | TBZ | Tabriz | IR |
| Tabubil Airport | TBG | Tabubil | PG |
| Tacheng Qianquan Airport | TCG | Tacheng | CN |
| Tachileik Airport | THL | Tachileik | MM |
| Tacoma Narrows Airport | TIW | Tacoma | US |
| Taganrog Yuzhny Airport | TGK | Taganrog | RU |
| Taif International Airport | TIF | Taif | SA |
| Tainan International Airport / Tainan Air Base | TNN | Tainan (Rende) | TW |
| Taipei Songshan International Airport | TSA | Taipei (Songshan) | TW |
| Taitung Airport | TTT | Taitung City | TW |
| Taiwan Taoyuan International Airport | TPE | Taoyuan | TW |
| Taiyuan Wusu International Airport | TYN | Taiyuan | CN |
| Taiz International Airport | TAI | Taiz | YE |
| Takamatsu Airport | TAK | Takamatsu | JP |
| Takapoto Airport | TKP | — | PF |
| Takaroa Airport | TKX | — | PF |
| Takoradi Airport | TKD | Sekondi-Takoradi | GH |
| Takotna Airport | TCT | Takotna | US |
| Taksimo Airport | TKM | Taksimo | RU |
| Taldykorgan Airport | TDK | Taldykorgan | KZ |
| Tallahassee International Airport | TLH | Tallahassee | US |
| Tambolaka Airport | TMC | Radamata | ID |
| Tampa International Airport | TPA | Tampa | US |
| Tampere-Pirkkala Airport | TMP | Tampere / Pirkkala | FI |
| Tamworth Airport | TMW | Tamworth | AU |
| Tan Tan Airport | TTA | Tan Tan | MA |
| Tanah Merah Airport | TMH | Tanah Merah | ID |
| Tanga Airport | TGT | Tanga | TZ |
| Tangará da Serra Airport | TGQ | Tangará da Serra | BR |
| Tangier Ibn Battuta Airport | TNG | Tangier | MA |
| Tangshan Sannühe Airport | TVS | Tangshan (Fengrun) | CN |
| Tanjung Harapan Airport | TJS | Tanjung Selor-Borneo Island | ID |
| Taos Regional Airport | TSM | Taos | US |
| Tapachula International Airport | TAP | Tapachula | MX |
| Tapini Airport | TPI | Tapini | PG |
| Taplejung Airport | TPJ | Taplejung | NP |
| Tarama Airport | TRA | Tarama | JP |
| Tarapacá Airport | TCD | Tarapacá | CO |
| Târgu Mureş Transilvania International Airport | TGM | Recea | RO |
| Tari Airport | TIZ | Tari | PG |
| Tartu Airport | TAY | Tartu | EE |
| Tashkent International Airport | TAS | Tashkent | UZ |
| Tashkent-Khumo International Airport | TVT | Tashkent | UZ |
| Tatakoto Airport | TKV | Tatakoto | PF |
| Tatitlek Airport | TEK | Tatitlek | US |
| Taupo Airport | TUO | Taupo | NZ |
| Tauranga Airport | TRG | Tauranga | NZ |
| Tawau Airport | TWU | Tawau | MY |
| Tbilisi International Airport | TBS | Tbilisi | GE |
| Tefé Airport | TFF | Tefé | BR |
| Tekirdağ Çorlu Airport | TEQ | Çorlu | TR |
| Teller Airport | TLA | Teller | US |
| Telluride Regional Airport | TEX | Telluride | US |
| Tenerife Norte-Ciudad de La Laguna Airport | TFN | Tenerife | ES |
| Tenerife Sur Airport | TFS | Tenerife | ES |
| Tengchong Tuofeng Airport | TCZ | Baoshan (Tengchong) | CN |
| Teniente Av. Jorge Henrich Arauz Airport | TDD | Trinidad | BO |
| Teniente Benjamín Matienzo International Airport | TUC | San Miguel de Tucumán | AR |
| Teniente Rodolfo Marsh Martin Airport | TNM | Villa Las Estrellas | AQ |
| Tennant Creek Airport | TCA | Tennant Creek | AU |
| Termez Airport | TMJ | Termez | UZ |
| Tete Airport | TET | Tete | MZ |
| Teterboro Airport | TEB | Teterboro | US |
| Texarkana Regional Airport (Webb Field) | TXK | Texarkana | US |
| Tezpur Airport | TEZ | — | IN |
| Thangool Airport | THG | Biloela | AU |
| Thief River Falls Regional Airport | TVF | Thief River Falls | US |
| Thimarafushi Airport | TMF | Thimarafushi | MV |
| Thiruvananthapuram International Airport | TRV | Thiruvananthapuram | IN |
| Tho Xuan Airport | THD | Thanh Hóa | VN |
| Tianjin Binhai International Airport | TSN | Tianjin | CN |
| Tianshui Maijishan Airport | THQ | Tianshui (Maiji) | CN |
| Tiga Airport | TGJ | Tiga | NC |
| Tikehau Airport | TIH | Tuherahera | PF |
| Timaru Airport | TIU | — | NZ |
| Timimoun Airport | TMX | Timimoun | DZ |
| Timișoara Traian Vuia International Airport | TSR | Timişoara | RO |
| Tin City Long Range Radar Station Airport | TNC | Tin City | US |
| Tindouf Airport | TIN | Tindouf | DZ |
| Tioman Airport | TOD | Tioman Island | MY |
| Tippi Airport | TIE | Tippi | ET |
| Tirana International Airport Mother Teresa | TIA | Rinas | AL |
| Tiree Airport | TRE | Balemartine, Argyll and Bute | GB |
| Tiruchirappalli International Airport | TRZ | Tiruchirappalli | IN |
| Tirupati International Airport | TIR | Tirupati | IN |
| Tivat Airport | TIV | Tivat | ME |
| Toamasina Ambalamanasy Airport | TMM | Toamasina | MG |
| Togiak Airport | TOG | Togiak Village | US |
| Tok Junction Airport | TKJ | Tok | US |
| Tokat Airport | TJK | Tokat | TR |
| Tokunoshima Airport | TKN | Amagi | JP |
| Tokushima Awaodori Airport / JMSDF Tokushima Air Base | TKS | Tokushima | JP |
| Toledo - Luiz Dalcanale Filho Municipal Airport | TOW | Toledo | BR |
| Toliara Airport | TLE | Toliara | MG |
| Tomanggong Airport | TMG | Tomanggong | MY |
| Tombouktou Airport | TOM | Timbuktu | ML |
| Tomsk Kamov Airport | TOF | Tomsk | RU |
| Toncontín Airport | TGU | Tegucigalpa | HN |
| Tonghua Sanyuanpu Airport | TNH | Tonghua | CN |
| Tongliao Airport | TGO | Tongliao | CN |
| Tongoa Airport | TGH | Tongoa Island | VU |
| Tongren Fenghuang Airport | TEN | Tongren (Daxing) | CN |
| Toraja Airport | TRT | Toraja | ID |
| Torsby Airport | TYF | Torsby | SE |
| Tottori Sand Dunes Conan Airport | TTJ | Tottori | JP |
| Touggourt Sidi Madhi Airport | TGR | Touggourt | DZ |
| Touho Airport | TOU | Touho | NC |
| Toulon-Hyères Airport | TLN | Hyères, Var | FR |
| Toulouse-Blagnac Airport | TLS | Toulouse/Blagnac | FR |
| Tours Val de Loire Airport | TUF | Tours, Indre-et-Loire | FR |
| Townsville Airport / RAAF Base Townsville | TSV | Townsville | AU |
| Toyama Kitokito Airport | TOY | Toyama | JP |
| Tozeur Nefta International Airport | TOE | Tozeur | TN |
| Trabzon International Airport | TZX | Trabzon | TR |
| Trang Airport | TST | Trang | TH |
| Trat Airport | TDX | Laem Ngop | TH |
| Treasure Cay Airport | TCB | Treasure Cay | BS |
| Trenton Mercer Airport | TTN | Ewing Township | US |
| Treviso Airport | TSF | Treviso (TV) | IT |
| Tri-Cities Regional TN/VA Airport | TRI | Blountville | US |
| Trieste Airport | TRS | Ronchi dei Legionari/Trieste | IT |
| Trollhättan-Vänersborg Airport | THN | Trollhättan | SE |
| Trombetas Airport | TMT | Oriximiná | BR |
| Tromsø Airport | TOS | Tromsø | NO |
| Trondheim Airport, Værnes | TRD | Trondheim | NO |
| Truckee Tahoe Airport | TKF | Truckee | US |
| Tsaratanana Airport | TTS | Tsaratanana | MG |
| Tsushima Airport | TSJ | Tsushima | JP |
| Tubuai Airport | TUB | — | PF |
| Tucson International Airport | TUS | Tucson | US |
| Tucuruí Airport | TUR | Tucuruí | BR |
| Tufi Airport | TFI | Tufi | PG |
| Tugdan Airport | TBH | Tablas Island | PH |
| Tuguegarao Airport | TUG | Tuguegarao City | PH |
| Tulsa International Airport | TUL | Tulsa | US |
| Tuluksak Airport | TLT | Tuluksak | US |
| Tumbang Samba Airport | TBM | Tumbang Samba-Borneo Island | ID |
| Tumling Tar Airport | TMI | Tumling Tar | NP |
| Tumxuk Tangwangcheng Airport | TWC | Tumxuk | CN |
| Tunis Carthage International Airport | TUN | Tunis | TN |
| Tununak Airport | TNK | Tununak | US |
| Tupelo Regional Airport | TUP | Tupelo | US |
| Turaif Domestic Airport | TUI | Turaif | SA |
| Turbat International Airport | TUK | Turbat | PK |
| Turin Airport | TRN | Caselle Torinese (TO) | IT |
| Turku Airport | TKU | Turku | FI |
| Turpan Jiaohe Airport | TLQ | Turpan | CN |
| Turukhansk Airport | THX | Turukhansk | RU |
| Tuticorin Airport | TCR | Vagaikulam | IN |
| Tuzla International Airport | TZL | Dubrave Gornje | BA |
| Twin Hills Airport | TWA | Twin Hills | US |
| Tyler Pounds Regional Airport | TYR | Tyler | US |
| Vincenzo Florio Airport Trapani-Birgi | TPS | Trapani (TP) | IT |
| Warukin Airport | TJG | Tanta-Tabalong | ID |
| Waynesville-St. Robert Regional Airport-Forney Field | TBN | Fort Leonard Wood | US |
| Whitegrass Airport | TAH | Tanna Island | VU |
| Yakubu Tali International Airport | TML | Tamale | GH |
| Zenata – Messali El Hadj Airport | TLM | Zenata | DZ |
| Þórshöfn Airport | THO | Þórshöfn | IS |