IATA Airline codes – K

Kaliningrad Avia Entreprise
 K8
Kampuchea Airlines
 KT
Kampuchea Airlines
 VJ
Karat – Aviacompany Karat
 2U
Kavminvodyavia
 KV
Kendell Airlines (Australia)
 KD
Kenmore Air
 M5
Kenn Borek Air
 4K
Kenya Airways
 KQ
Keystone Air Services
 BZ
Khabarovsk Aviation
 H8
Khors Air
 X9
King Island Airlines
 KG
Kitty Hawk Air Cargo
 KR
Kiwi International Airlines
 KP
Kiwi Travel International Air
 KC
KLM Cityhopper
 WA
KLM Exel
 XT
KLM Royal Dutch Airlines
 KL
Kogalymavia
 7K
Korean Air
 KE
Kras Air – Krasnoyarskavia
 7B
Kronflyg
 K4
Kuwait Airways
 KU
Kyrgystan Airlines
 K2