Here You can find a list of airlines which operated in Frankfurt airport.
Tirana - Lufthansa
Yerevan - Condor Flugdienst, Lufthansa
Baku - Lufthansa, United Airlines
Brussels-Zaventem - Lufthansa, BrusselsAirlines, Eurowings
Sarajevo - Lufthansa
Sofia - Lufthansa, AirCanada, TAP Portugal, United Airlines, Scandinavian Airlines System, Ethiopian Airlines, BulgariaAir, QatarAirways
Varna - Lufthansa
Billund - Lufthansa
Copenhagen Kastrup - All Nippon Airways, TAP Portugal, Lufthansa, Aegean, United Airlines, Scandinavian Airlines System, AirCanada, Singapore Airlines, Ethiopian Airlines, AirIndia Limited, LAN Airlines, Etihad, CroatiaAirlines, ThaiAirways International
Tallinn - United Airlines, Lufthansa, All Nippon Airways, Austrian, Singapore Airlines
Helsinki Vantaa - Lufthansa, Singapore Airlines, TAP Portugal, BrusselsAirlines, Ethiopian Airlines, Aegean, Austrian, United Airlines, Etihad, Finnair, All Nippon Airways, AirCanada, OmanAir, AirChina
Tampere Pirkkala - AirBaltic
Ajaccio Corsica - Lufthansa, United Airlines
Basel Mulhouse Freiburg - Lufthansa, Swiss International, AirCanada, United Airlines, Scandinavian Airlines System, All Nippon Airways, AirChina
Bastia Corsica - Lufthansa
Bordeaux - Lufthansa, Swiss International
Lyon - Lufthansa, AirCanada, United Airlines, Singapore Airlines, LOT, All Nippon Airways, Scandinavian Airlines System, Ethiopian Airlines
Marseille Provence - AirCanada, United Airlines, Ethiopian Airlines, Lufthansa, All Nippon Airways, Singapore Airlines, Scandinavian Airlines System
Nantes - Lufthansa
Nice - Lufthansa, United Airlines, Singapore Airlines, AirCanada, Condor Flugdienst, Egyptair, All Nippon Airways
Paris Charles de Gaulle - All Nippon Airways, United Airlines, Lufthansa, Aegean, AirFrance
Rennes - Lufthansa
Toulouse Blagnac - Lufthansa, United Airlines, Singapore Airlines, AirCanada, All Nippon Airways, Scandinavian Airlines System, Ethiopian Airlines
Athens - Lufthansa, Aegean, Luxair, TAP Portugal, AirCanada, United Airlines, Singapore Airlines
Chania - Condor Flugdienst, Lufthansa
Heraklion - Aegean, Lufthansa, TAP Portugal, AirCanada, TUIfly, Condor Flugdienst
Kalamata - Condor Flugdienst
Kavala - Condor Flugdienst
Kefalonia - Condor Flugdienst
Kos - TUIfly, Condor Flugdienst, Lufthansa, Aegean
Rhodes - Lufthansa, Aegean, TUIfly, Condor Flugdienst, Finnair
Samos - Condor Flugdienst
Thessaloniki - Lufthansa, Singapore Airlines, Aegean, AirBaltic
Zakynthos - Condor Flugdienst
Birmingham International - Lufthansa, United Airlines, All Nippon Airways, AirCanada, Singapore Airlines
Bristol - Lufthansa, TAP Portugal
Guernsey - Skynet Airlines
Jersey - Skynet Airlines
Liverpool John Lennon - Lufthansa
London City - British, Lufthansa
London Luton - Lufthansa
Manchester - All Nippon Airways, Lufthansa, United Airlines, Austrian
Newcastle - Lufthansa
London Heathrow - Lufthansa, United Airlines, CroatiaAirlines, Aegean, All Nippon Airways, British, Avianca - Aerovias Nacionales de Colombia, Eurowings
Amsterdam Schiphol - Lufthansa, KLM Royal, Aegean, Ethiopian Airlines, All Nippon Airways, United Airlines, AirIndia Limited, ThaiAirways International, AirCanada, LAN Airlines, OmanAir
Maastricht Aachen - Lufthansa, Scandinavian Airlines System, AirCanada, AirIndia Limited
Cork - Lufthansa
Dublin - Lufthansa, Singapore Airlines, Austrian, Aer Lingus, All Nippon Airways, OmanAir
Shannon - United Airlines
Keflavík - Lufthansa, Icelandair
Bari - Lufthansa
Bologna - Lufthansa, AirCanada, All Nippon Airways, Singapore Airlines, United Airlines, Luxair, AirChina
Cagliari Sardinia - Lufthansa
Catania - Lufthansa
Lamezia Terme - Condor Flugdienst
Milan Linate - Lufthansa, AirDolomiti, AirCanada, United Airlines, Alitalia
Milan Malpensa - United Airlines, Lufthansa, Ethiopian Airlines, Singapore Airlines, AirCanada, All Nippon Airways
Naples Capodichino - United Airlines, All Nippon Airways, Lufthansa, AirCanada, Scandinavian Airlines System, BrusselsAirlines, Swiss International
Olbia Sardinia - Condor Flugdienst, Lufthansa
Rome Fiumicino - Lufthansa, All Nippon Airways, United Airlines, AirCanada, LAN Airlines
Turin - Lufthansa, AirDolomiti, AirCanada, All Nippon Airways, United Airlines
Venice Marco Polo - Lufthansa
Verona - All Nippon Airways, AirCanada, AirDolomiti, Lufthansa, United Airlines, TUIfly
Almaty - AirAstana, Lufthansa, United Airlines
Astana - AirAstana, Lufthansa
Dubrovnik - AirIndia Limited, Lufthansa, CroatiaAirlines, AirCanada, LOT, Asiana Airlines, Scandinavian Airlines System, Singapore Airlines, Trans Pas Air, United Airlines, Condor Flugdienst
Pula - Lufthansa, CroatiaAirlines
Split - CroatiaAirlines, Condor Flugdienst, Lufthansa
Zadar - Lufthansa
Zagreb - United Airlines, Singapore Airlines, AirCanada, CroatiaAirlines, Lufthansa, Asiana Airlines, All Nippon Airways, Trans Pas Air, TAP Portugal, Scandinavian Airlines System, AirIndia Limited
Riga - Lufthansa, Aegean, AirCanada, All Nippon Airways, United Airlines, AirBaltic, Iberia, Tarom, Trans Pas Air
Vilnius - BrusselsAirlines, All Nippon Airways, AirCanada, United Airlines, Aegean, Lufthansa
Luxembourg - Lufthansa
Malta Luqa - Lufthansa, Condor Flugdienst, TUIfly
Tivat - Lufthansa
Bergen - Lufthansa
Oslo Gardermoen - Lufthansa, Scandinavian Airlines System, EnterAir
Stavanger Sola - Lufthansa
Svalbard Longyearbyen Spitsbergen - EnterAir
Tromsø-Langnes - Lufthansa, EnterAir
Graz - Lufthansa, AirDolomiti
Innsbruck - Lufthansa, AirDolomiti
Linz - AirCanada, Lufthansa, AirDolomiti, All Nippon Airways
Salzburg - Lufthansa
Vienna Schwechat International - Lufthansa, Austrian, Condor Flugdienst
Wroclaw - Lufthansa, AirCanada, LOT, United Airlines
Gdansk - Lufthansa
Katowice - Lufthansa
Krakow - All Nippon Airways, United Airlines, Lufthansa, LOT, BrusselsAirlines, AirCanada
Poznan - Lufthansa, LOT
Warsaw Chopin - Lufthansa, LOT, Corendon Airlines
Faro - Lufthansa, Condor Flugdienst, TUIfly
Madeira Funchal - Lufthansa, TUIfly, Condor Flugdienst
Ponta Delgada - United Airlines, SATA International, Lufthansa
Porto - Lufthansa, AirCanada, All Nippon Airways, Luxair, Singapore Airlines, TAP Portugal, United Airlines
Lisbon Portela - AirCanada, TAP Portugal, Aegean, All Nippon Airways, CroatiaAirlines, Lufthansa, Ethiopian Airlines, SATA International, United Airlines, Singapore Airlines, ThaiAirways International, Egyptair, Austrian, Scandinavian Airlines System, El Al, AirBaltic
Bukarest Otopeni - Lufthansa, Tarom, AirBaltic
Cluj-Napoca - Lufthansa
Timisoara - Lufthansa
Edinburgh - Lufthansa, Singapore Airlines
Glasgow International - Lufthansa
Gothenburg Landvetter - Lufthansa
Jönköping - Lufthansa
Kalmar - AirDolomiti, Lufthansa
Stockholm Arlanda - Lufthansa, Scandinavian Airlines System
Geneva - Lufthansa, Swiss International
Zürich - Lufthansa, Swiss International, LAN Airlines, All Nippon Airways, United Airlines, Ethiopian Airlines, AirCanada, AirChina
Belgrade - United Airlines, AirSerbia, Lufthansa
Ljubljana - Lufthansa
Alicante - Lufthansa, Condor Flugdienst
Barcelona El Prat - Ethiopian Airlines, Lufthansa, United Airlines, LOT, All Nippon Airways, AirChina, Scandinavian Airlines System, ThaiAirways International, Etihad, OmanAir, AirCanada
Bilbao - Lufthansa, Austrian, All Nippon Airways, AirCanada, United Airlines, Swiss International, AirChina, Scandinavian Airlines System
Ibiza - Lufthansa, AirCanada, Condor Flugdienst, TUIfly
Lanzarote Arrecife - TUIfly, Condor Flugdienst
Las Palmas Gran Canaria - TUIfly, Condor Flugdienst
Madrid Barajas - Japan Airlines, Iberia, AeroMéxico, AirEuropa, AirSerbia, Etihad, LAN Airlines, Lufthansa, Ethiopian Airlines, United Airlines, OmanAir, All Nippon Airways, China Airlines, Delta, Avianca - Aerovias Nacionales de Colombia, Austrian, Singapore Airlines, AirCanada, Scandinavian Airlines System, AirChina, Vietnam Airlines, LOT, American Airlines, Finnair
Malaga Costa del Sol - Lufthansa, Austrian, Condor Flugdienst
Palma de Mallorca - Condor Flugdienst, AirCanada, Lufthansa, TUIfly, United Airlines
Seville - Lufthansa
Tenerife South - TUIfly, Condor Flugdienst
Valencia - AirCanada, Lufthansa, Etihad, United Airlines, All Nippon Airways
Prague - Lufthansa
Ankara Esenboğa - Pegasus, Turkish, SunExpress, Lufthansa, Corendon Airlines
Antalya - Lufthansa, SunExpress, Turkish, Pegasus, Corendon Airlines
Izmir Adnan Menderes - SunExpress, Lufthansa, Corendon Airlines, Turkish, Pegasus
Kayseri - Corendon Airlines, SunExpress, Lufthansa, Turkish
Konya - Corendon Airlines
Trabzon - SunExpress, Turkish
Istanbul Sabiha Gökçen - Turkish, Pegasus
Istanbul Atatürk - Turkish, Lufthansa, AirCanada, United Airlines, All Nippon Airways
Budapest - Lufthansa, United Airlines, TAP Portugal, Singapore Airlines, AirCanada, BrusselsAirlines, Scandinavian Airlines System, All Nippon Airways, ThaiAirways International, Cathay Pacific, Ethiopian Airlines, Etihad
Larnaca International - Lufthansa, TUIfly
Bremen - LAN Airlines, All Nippon Airways, Lufthansa, TAP Portugal, United Airlines, AirCanada, Luxair, Singapore Airlines
Dresden - Lufthansa, AirCanada, TAP Portugal, United Airlines, Aegean, All Nippon Airways, Singapore Airlines, Cathay Pacific
Düsseldorf - All Nippon Airways, TAP Portugal, AirCanada, Ethiopian Airlines, LAN Airlines, Egyptair, United Airlines, AirChina, Singapore Airlines, ThaiAirways International, CroatiaAirlines, AirIndia Limited
Friedrichshafen - Lufthansa, All Nippon Airways, United Airlines, AirChina
Hamburg - Lufthansa
Köln Bonn - Eurowings
Munich - Lufthansa, Corendon Airlines, Turkmenistan
Münster Osnabrück International - United Airlines, TAP Portugal, All Nippon Airways, AirCanada
Nuremberg - AirCanada, ThaiAirways International, All Nippon Airways, Singapore Airlines, LAN Airlines, United Airlines, Lufthansa, TAP Portugal, Scandinavian Airlines System, AirChina, Cathay Pacific
Stuttgart - Lufthansa
Sylt - Lufthansa