| | IATA | ICAO | City | Region | State | Country ^ | | SAH | | Sanaa | | | Yemen |
| SVZ | | San Antonio | | | Venezuela |
| SOM | | San Tome | | | Venezuela |
| STD | | Santo Domingo | | | Venezuela |
| SKD | | Samarkand | | | Uzbekistan |
| SMF | | Sacramento | | CALIFORNIA | USA |
| STC | | Saint Cloud | | MINNESOTA | USA |
| SGU | | Saint George | | UTAH | USA |
| SPN | | Saipan | | Northern Marian Island... | USA |
| SLN | | Salina | | KANSAS | USA |
| SBY | | Salisbury | | MARYLAND | USA |
| SLC | | Salt Lake City | | UTAH | USA |
| SJT | | San Angelo | | TEXAS | USA |
| SAT | | San Antonio | | TEXAS | USA |
| SAN | | San Diego | | CALIFORNIA | USA |
| SFO | | San Francisco | | CALIFORNIA | USA |
| SJC | | San Jose | | CALIFORNIA | USA |
| SJU | | San Juan | | PUERTO RICO | USA |
| SBP | | San Luis Obispo | | CALIFORNIA | USA |
| SNA | | Santa Ana | | CALIFORNIA | USA |
|
|