List of Airlines beginning with O

  • O'Connor Airlines
  • OAG
  • OSACOM
  • Oasis Hong Kong Airlines
  • Ocean Air
  • Ocean Airlines
  • Ocean Sky (UK)
  • Ocean Wings Commuter Service
  • Oceanair
  • Oceanic Airlines
  • Odessa Airlines
  • Odyssey International
  • Office Federal De'Aviation Civile
  • Ogooue Air Cargo
  • Okada Airlines
  • Okapi Airways
  • Okay Airways
  • Oklahoma Department of Public Safety
  • Olimex Aerotaxi
  • Olimp Air
  • Olympic Air
  • Olympic Aviation
  • Oman Air
  • Oman Royal Flight
  • Omni - Aviacao e Tecnologia
  • Omni Air International
  • Omniflys
  • Omskavia Airline
  • On Air Limited
  • One Two Go Airlines
  • Onetime Airlines Zambia
  • Ontario Ministry of Health
  • Onur Air
  • Opal Air
  • Open Sky Aviation
  • OpenSkies
  • Operadora Turistica Aurora
  • Operadora de Lineas Ejecutivas
  • Operadora de Transportes Aéreos
  • Operadora de Veulos Ejectutivos
  • Operation Enduring Freedom
  • Operational Aviation Services
  • Orange Air Services
  • Orange Air Sierra Leone
  • Orange Aviation
  • Orbit Express Airlines
  • Orca Air
  • Orebro Aviation
  • Orel State Air Enterprise
  • Orenburg Airlines
  • Organizacion De Transportes Aéreos
  • Organizacoes Mambra