| Zaire Express | |||
| Zambia Airways | QZ | ZAC | |
| Zambian Airways | Q3 | MBN | 391 |
| Zantop International Airlines | VK | ZAN | |
| ZAS Airline of Egypt | ZA | ZAS | |
| Zenit Air Company | EZT | ||
| Zephyr Aviation Services | ES | RZR | |
| Zhejiang Airlines | F6 | CJG | |
| Zhong Yuan Airlines | Z2 | CYN | |
| Zhukovsky | LII | ||
| Zimbabwe Express Airlines | Z7 | EZX | 247 |
| Zimex Aviation | C4 | IMX | |
| Zoom Airlines | OOM | ||
| Zozik Air | |||
| Zuliana de Aviacion | OD | ULA | 822 |