Here is an alphabetically sorted list of all airlines operating in the United Kingdom (UK).
Adria Airways
Aeroflot
Air Algerie
Air Arabia UK
Air Astana
AirBaltic UK
Air Berlin
Air Canada UK
Air China
Air Europa
Air India
Air Madagascar
Air Mauritius UK
Air Moldova UK
Air Namibia
Air New Zealand UK
Air Serbia
Air Seychelles
Air Tahiti Nui
Aeromexico UK
All Nippon Airways (ANA)
American Airlines
Arik Air UK
Asiana Airlines UK
Atlasglobal UK
Avianca UK
Azerbaijan Airlines UK
Bangkok Airways UK
Belavia Airlines UK
Biman Bangladesh UK
Brussels Airlines
Bulgaria Air
Caribbean Airlines
Cathay Pacific UK
China Eastern Airlines
Condor Airlines UK
Copa Airlines
Croatia Airlines UK
EVA Air UK
Egyptair UK
Emirates UK
Etihad Airways UK
Ethiopian Airlines UK
Eurowings UK
Garuda Indonesia Airlines
Georgian Airways
GOL Airlines
Gulf Air UK
Hainan Airlines
Icelandair
Iran Air UK
Japan Airlines
Jetstar UK
Kenya Airways UK
Korean Air UK
Kuwait Airways
Luxair
Lydd Air
Malaysia Airlines UK
Meridiana Airlines UK
Medview Airline UK
Middle East Airlines – MEA UK
Montenegro Airlines UK
Oman Air UK
Pegasus Airlines
Philippine Airlines UK
PIA – Pakistan International Airlines UK
Qatar Airways UK
Royal Air Maroc UK
Royal Brunei UK
Royal Jordanian UK
Rwandair UK
Saudi Airlines
Singapore Airlines
Skywork Airlines
SriLankan Airlines UK
South African Airways UK
Sunexpress Airlines
TAM Airlines UK
TAP Portugal UK
Tarom Airlines
Tianjin Airlines
Thai Airways UK
Tiger Air UK
Transavia UK
Tunisair UK
Turkish Airlines UK
Turkmenistan Airlines UK
Ukraine International Airlines
Uzbekistan Airways UK
Volotea Airlines
Wideroe Airlines
Wizz Air UK