| SCK | KSCK | Stockton Metropolitan Airport | - | |
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| SCM | PACM | Scammon Bay Airport | Скаммон Бей | |
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| SDM | KSDM | Brown Field Municipal Airport | - | |
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| SDP | PASD | Sand Point Airport | Санд-Пойнт | |
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| SDY | KSDY | Sidney Richland Municipal Airport | Сидни | |
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| SFF | KSFF | Felts Field | - | |
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| SGH | KSGH | Springfield-Beckley Municipal Airport | Спрингфилд | |
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| SGR | KSGR | Sugar Land Regional Airport | Sugar Land | |
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| SGU | KSGU | St George Municipal Airport | Сент-Джордж | |
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| SHH | PASH | Shishmaref Airport | Шишмарёв | |
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| SHR | KSHR | Sheridan County Airport | Шеридан | |
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| SIT | PASI | Sitka Rocky Gutierrez Airport | Ситка | |
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| SJT | KSJT | San Angelo Regional Mathis Field | Сан-Анджело | |
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| SKF | KSKF | Lackland Air Force Base | - | |
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| SLE | KSLE | Salem Municipal Airport/McNary Field | Сейлем | |
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| SLK | KSLK | Adirondack Regional Airport | Саранак Лейк | |
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| SLN | KSLN | Salina Municipal Airport | Салина | |
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| SME | KSME | Lake Cumberland Regional Airport | Сомерсет | |
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| SMN | KSMN | Lemhi County Airport | Салмон | |
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| SMX | KSMX | Santa Maria Pub/Capt G Allan Hancock Field | Санта-Мария | |
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| SNP | PASN | St Paul Island Airport | Остров Святого Павла | |
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| SNS | KSNS | Salinas Municipal Airport | Салинас | |
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| SNY | KSNY | Sidney Municipal-Lloyd W Carr Field | Сидней | |
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| SSF | KSSF | Stinson Municipal Airport | - | |
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| SSI | KSSI | Malcolm McKinnon Airport | Брансуик | |
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| STC | KSTC | St Cloud Regional Airport | Сент-Клауд | |
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| STG | PAPB | St George Airport | Сент-Джордж | |
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| STJ | KSTJ | Rosecrans Memorial Airport | Сент-Джозеф | |
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| STP | KSTP | St Paul Downtown Holman Field | - | |
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| STS | KSTS | Charles M. Schulz Sonoma County Airport | Санта-Роза | |
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| SUN | KSUN | Friedman Memorial Airport | Сан-Валли | |
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| SVA | PASA | Savoonga Airport | Савунга | |
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| SVN | KSVN | Hunter Army Air Field | - | |
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| SVW | PASV | Sparrevohn LRRS Airport | Спэррвохн | |
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| SWD | PAWD | Seward Airport | Сьюард | |
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| SWF | KSWF | Stewart International Airport | Ньюбург | |
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| SXQ | PASX | Soldotna Airport | Солдотна | |
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| TBN | KTBN | Waynesville-St. Robert Regional Forney field | Форт Леонадр Вуд | |
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| TCC | KTCC | Tucumcari Municipal Airport | Тукумкари | |
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| TCL | KTCL | Tuscaloosa Regional Airport | Тускалуза | |
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| TCS | KTCS | Truth Or Consequences Municipal Airport | Трут-ор-Консекуэнсес | |
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| TEB | KTEB | Teterboro Airport | Тетерборо | |
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| TIW | KTIW | Tacoma Narrows Airport | Такома | |
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| TIX | KTIX | Space Coast Regional Airport | Титусвилль | |
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| TKA | PATK | Talkeetna Airport | Талкитна | |
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| TKF | KTRK | Truckee Tahoe Airport | Траки | |
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| TLJ | PATL | Tatalina LRRS Airport | Таталина | |
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| TMB | KTMB | Kendall-Tamiami Executive Airport | - | |
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| TOG | PATG | Togiak Airport | Тоджиак | |
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| TOI | KTOI | Troy Municipal Airport | Троя | |
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