 | Qatar Airways | 1994 | 176 |
 | Qantas | 1920 | 118 |
 | Qeshm Air | 1997 | 20 |
 | Qatar Amiri Flight | - | - |
 | Qingdao Airlines Co., Ltd | 2014 | 10 |
| Qantas Freight | 1992 | 3 |
 | Quikjet Cargo Airlines Pvt. Ltd | - | 1 |
| Qwest Commuter Corporation | - | - |
| Quick Air Jet Charter | - | - |
| Quickjet Aviation | - | - |
| Quicknet Air | - | - |
| Quest Diagnostics | - | - |
| Quality Fly | - | - |
| Qingdao Jiutian-Spartan International Flight Academy | - | - |
| Queen Bilqis Airways | - | - |
| Quadrotur Aero | - | - |
| Quadrotour Aero, Aircompany | - | - |
| Quisqueya Airlines | - | - |
| Qanot Sharq | - | - |
| Queen Air | - | - |
| Quick Airways Holland | - | - |
| Qatar Executive | - | - |
| Quantex Environmental | - | - |
 | Qwestair | - | - |
| Quest Mexicana | - | - |
| Qurinea Air Service | - | - |
| Quick Air-Trans | - | - |
| Qatar Air Cargo | - | - |