- Watertown International AirportIdent: KARTCountry: United States
- Watertown Regional AirportIdent: KATYCountry: United States
- Al's Airway AirportIdent: WS74Country: United States
- J-3 Cub FieldIdent: 66WICountry: United States
- Watertown Municipal AirportIdent: KRYVCountry: United States