Showing 295 registered airlines with a combined fleet of 1,174 airframes.
| Airline Name | ICAO / IATA | Fleet Size |
|---|---|---|
| Jetlines | CJL / AU | 4 |
| K D Air Corporation | KDC | 0 |
| Kelner Airways | FKL | 0 |
| Kelowna Flightcraft Air Charter | KFA | 3 |
| Kenn Borek Air | KBA | 2 |
| Kent Aviation | KAH | 0 |
| Keystone Air Service | KEE / BZ | 0 |
| Kingston Air Services | KAS | 0 |
| Knighthawk Air Express | KNX | 0 |
| Kunming Airlines | KNA / KY | 22 |