compagnies aériennes
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Karthago Airlines | Organisation | 19 | 7.1 |
| Kartika Airlines | Organisation | 12 | 1.5 |
| Kavminvodyavia | Organisation | 12 | 0.5 |
| Kendell Airlines | Organisation | 4 | 0.1 |
| Kenmore Air | Organisation | 6 | 1.0 |
| Kenya Airways | Organisation | 49 | 34.5 |
| Khalifa Airways | Organisation | 6 | 19.4 |
| Khors Air | Organisation | 10 | 0.2 |
| Kin Avia | Organisation | 3 | 0.0 |
| King Island Airlines | Organisation | 8 | 0.0 |
| Kingfisher Airlines | Organisation | 36 | 10.4 |
| Kish Airlines | Organisation | 17 | 1.1 |
| Klasjet | Organisation | 10 | 3.9 |
| Klm Cargo | Organisation | 5 | 4.1 |
| Klm Cityhopper | Organisation | 30 | 9.0 |
| Klm Royal Dutch Airlines | Organisation | 76 | 147.9 |
| Klm Uk | Organisation | 6 | 0.2 |
| Km Malta Airlines | Organisation | 15 | 2.9 |
| Knilm | Organisation | 5 | 0.2 |
| Komiaviatrans | Organisation | 9 | 0.6 |
| Koralblue Airlines | Organisation | 11 | 0.3 |
| Korean Air | Organisation | 59 | 31.5 |
| Korongo Airlines | Organisation | 11 | 4.2 |
| Kosmos Airlines | Organisation | 9 | 0.2 |
| Kosova Airlines | Organisation | 12 | 1.7 |
| Krasair | Organisation | 17 | 2.2 |
| Krasavia | Organisation | 13 | 0.3 |
| Kuban Airlines | Organisation | 19 | 0.6 |
| Kulula.com | Organisation | 24 | 4.3 |
| Kunming Airlines | Organisation | 15 | 0.6 |
| Kuwait Airways | Organisation | 39 | 13.4 |
| Kyrnair | Organisation | 1 | 0.4 |
| L'avion | Organisation | 8 | 18.5 |
| La Compagnie | Organisation | 16 | 0.0 |
| La Costeña | Organisation | 9 | 0.0 |
| Lacsa | Organisation | 9 | 1.4 |
| Lagun Air | Organisation | 8 | 0.7 |
| Laker Airways | Organisation | 11 | 1.6 |
| Lamia | Organisation | 10 | 1.9 |
| Lan Cargo | Organisation | 13 | 0.3 |
| Lance Aviation | Organisation | 1 | 0.0 |
| Lanmei Airlines | Organisation | 12 | 0.6 |
| Lansa | Organisation | 6 | 0.1 |
| Lao Airlines | Organisation | 33 | 5.1 |
| Lape | Organisation | 9 | 0.2 |
| Lares | Organisation | 3 | 0.0 |
| Laser Airlines | Organisation | 13 | 1.4 |
| Latam Airlines | Organisation | 39 | 8.4 |
| Latam Airlines Brasil | Organisation | 35 | 10.9 |
| Latam Airlines Colombia | Organisation | 22 | 0.2 |