This is a list of airlines currently operating in Thailand holding Air Operator Certificates (AOC) issued by the Civil Aviation Authority of Thailand (CAAT)
| Airline | Image | IATA | ICAO | Callsign | Type | Alliance | Founded | Commenced operations | Fleet | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| Bangkok Airways | | PG | BKP | BANGKOK AIR | Regional | None | 1968 | 1986 | 27 | Founded as Sahakol Air and commenced operations in 1986 as Bangkok Airways. [1] |
| Nok Air | | DD | NOK | NOK AIR | Low-cost | Value Alliance | 2004 | 2004 | 14 | Subsidiary of Nok Airlines Public Company Limited |
| REALLY COOL AIRLINES | - | - | - | none | 2025 | - | Plans for 3 | Planned for 2026 [2] | ||
| Thai AirAsia | | FD | AIQ | THAI ASIA | Low-cost | None | 2003 | 2004 | 62 | Subsidiary of Asia Aviation Public Company Limited |
| Thai AirAsia X | | XJ | TAX | EXPRESS WING | Long-haul Low-cost | None | 2013 | 2014 | 10 | Subsidiary of Asia Aviation Public Company Limited |
| Thai Airways International | | TG | THA | THAI | Full-service Flag carrier | Star Alliance | 1960 | 1988 | 79 | Founded in 1960, merged with Thai Airways Company's domestic operations in 1988. [3] Founding member of Star Alliance [4] |
| Thai Lion Air | | SL | TLM | MENTARI | Low-cost | None | 2013 | 2013 | 28 | Subsidiary of Lion Air |
| Thai Summer Airways | 9T | AST | THAI SUMMER | Low-cost | None | 2018 | 2023 | 26 | ||
| Thai VietJet Air | | VZ | TVJ | THAIVIET JET | Low-cost | None | 2014 | 2015 | 18 | Subsidiary of VietJet Air |
| Ezy Airlines | - | EZT | THAI EZY | Regional | None | 2024 | 2025 | Operate both scheduled and charter routes exclusively in Southern Thailand. [5] |
| Airline | Image | IATA | ICAO | Callsign | Founded | Commenced operations | Notes |
|---|---|---|---|---|---|---|---|
| Budget Lines | | BD | BGN | SKYBUDDY | 2014 | Air Taxi | |
| MJets | | 2007 | 2010 | Private jet services | |||
| Siam Land Flying | | 1991 | Private jet services | ||||
| Vip Jets | 2008 | Private jet services | |||||
| Siam Seaplane | | 2019 | 2023 | Charter services |
| Airline | Image | IATA | ICAO | Callsign | Founded | Commenced operations | Fleet | Notes |
|---|---|---|---|---|---|---|---|---|
| Budget Lines | BD | BGN | SKYBUDDY | 2022 | 2 | |||
| Air People International | 3D | APG | AIR PEOPLE | 1986 | ||||
| K-Mile Air | | 8K | KMI | KAY-MILE AIR | 2004 | 2006 | 7 | [ citation needed ] |
| Pattaya Airways | 2023 | 2 | ||||||
| Thai Express Air | EX | TXZ | EXPRESS AIR | 2013 |
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