| Name | Type | IATA | ICAO | City |
|---|---|---|---|---|
| Samui Airport | Medium Airport Scheduled | USM | VTSM |
Na Thon (Ko Samui Island) |
| Sa Pathum Airfield | Closed Airport | - | TH-0048 |
Pathum Wan |
| Sa Pran Nak Airport | Small Airport | - | VTBH |
- |
| Seri Thai Airport | Small Airport | - | TH-0029 |
Na Khu |
| Skydance Helipad | Heliport | - | TH-0041 |
- |
| Songkhla Airport | Medium Airport | SGZ | VTSH |
- |
| Sri Racha Airport | Closed Airport | - | TH-0028 |
Si Racha |
| Sukhothai Airport | Medium Airport Scheduled | THS | VTPO |
- |
| Supawan Mini Airfield | Small Airport | - | TH-0014 |
Bang Yai |
| Surat Thani Airport | Medium Airport Scheduled | URT | VTSB |
Surat Thani |
| Surin Airport | Medium Airport Scheduled | PXR | VTUJ |
Surin |
| Suvarnabhumi Airport | Large International Airport Scheduled | BKK | VTBS |
Bangkok |
| Tak Airport | Medium Airport | TKT | VTPT |
- |
| Takhli Airport | Medium Airport | TKH | VTPI |
- |
| Tantawan | Small Airport | - | TH-0044 |
Phra Phutthabat |
| TFT Airfield | Small Airport | - | TH-0034 |
Nong Suea |
| Thung Si Kan Airport | Small Airport | - | TH-0006 |
Don Mueang |
| Trang Airport | Medium Airport Scheduled | TST | VTST |
Trang |
| Trat Airport | Medium Airport Scheduled | TDX | VTBO |
Laem Ngop |
| Ubon Ratchathani Airport | Medium Airport Scheduled | UBP | VTUU |
Ubon Ratchathani |
| Udon Thani Airport | Medium Airport Scheduled | UTH | VTUD |
Udon Thani |
| Udorn Air Base | Small Airport | - | VTED |
Ban Mak Khaen |
| U-Tapao International Airport | Medium Airport Scheduled | UTP | VTBU |
Rayong |
| Uttaradit Airport | Closed Airport | - | VTPU |
Uttaradit |
| Uttaradit Landing Ground | Closed Airport | - | TH-0054 |
Uttaradit |
| Vanchanphen Airpark | Small Airport | - | TH-0024 |
- |
| Watthana Nakhon Airport | Small Airport | - | VTBW |
Watthana Nakhon |