| City | Airports | Airport Iata Code | Country Code |
|---|---|---|---|
| Bristol/Johnson/Kingsport | Tri-Cities Regional Airport | TRI | US |
| Parsons | Tri-City Airport | PPF | US |
| Lone Rock | Tri-County Regional Airport | LNR | US |
| Trieste | Trieste–Friuli Venezia Giulia Airport | TRS | IT |
| Trincomalee | Trincomalee Harbour Seaplane Base Airport | THW | LK |
| Trinidad | Trinidad Airport | TDA | CO |
| Tripoli | Tripoli International Airport | TIP | LY |
| Huntington | Tri-State Airport | HTS | US |
| Angola | Tri-State Steuben County Airport | ANQ | US |
| Thiruvananthapuram | Trivandrum International Airport | TRV | IN |
| Trois-Rivières | Trois-Rivières Airport | YRQ | CA |
| Trollhättan | Trollhättan–Vänersborg Airport | THN | SE |
| Oriximiná | Trombetas Airport | TMT | BR |
| Trompeteros | Trompeteros Airport | TDP | PE |
| Tromsø | Tromsø Airport | TOS | NO |
| Trona | Trona Airport | TRH | US |
| Trondheim | Trondheim Airport | TRD | NO |
| Troy | Troy Municipal Airport | TOI | US |
| Truckee | Truckee Tahoe Airport | TKF | US |
| Trujillo | Trujillo Airport | TJI | HN |