The most frequently used airline companies from Kopenhag to Amsterdam are generally
Kenya Airways,
Djibouti Airlines,
Croatia Airlines,
LOT Polish Airlines,
Alitalia,
Aero Airlines,
Thai Airways Intl,
Air Europa,
Garuda Indonesia,
KLM,
Cityjet,
Norwegian Air Shuttle,
Aeromexico,
China Eastern Airlines,
Delta Air Lines,
Singapore Airlines,
Gol Linhas Aereas,
United Airlines,
Korean Air,
KLM Cityhopper,
Air Canada,
Malaysia Airlines,
Xiamen Airlines,
Scandinavian Airlines,
China Southern Airlines,
Etihad Airways,
easyJet,
Iberia,
Vueling Airlines
are companies.