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
Sarajevo - Lufthansa
Sofia - Lufthansa
Billund - Lufthansa
Copenhagen Kastrup - All Nippon Airways, Lufthansa, Aegean, United Airlines, LAN Airlines, AirIndia Limited, Ethiopian Airlines, Scandinavian Airlines System, AirCanada, Singapore Airlines, Etihad, CroatiaAirlines, ThaiAirways International
Tallinn - Lufthansa
Helsinki Vantaa - Aegean, AirChina, Lufthansa, Finnair, AirCanada, Singapore Airlines, TAP Portugal, BrusselsAirlines, Ethiopian Airlines, United Airlines, Austrian, Etihad, All Nippon Airways, OmanAir
Ivalo - Lufthansa, Widerøe
Kuusamo - Lufthansa
Ajaccio Corsica - United Airlines, Lufthansa
Basel Mulhouse Freiburg - United Airlines, Swiss International, AirCanada, Lufthansa, Scandinavian Airlines System, All Nippon Airways, AirChina
Bordeaux - Lufthansa, Swiss International
Lyon - Lufthansa, Ethiopian Airlines, AirCanada, United Airlines, Singapore Airlines, All Nippon Airways, LOT, Scandinavian Airlines System
Marseille Provence - United Airlines, All Nippon Airways, Ethiopian Airlines, AirCanada, Lufthansa, Singapore Airlines, Scandinavian Airlines System
Nantes - Lufthansa
Nice - Lufthansa, United Airlines, Singapore Airlines, AirCanada, Egyptair, All Nippon Airways
Paris Charles de Gaulle - All Nippon Airways, United Airlines, Lufthansa, AirFrance, Aegean, Singapore Airlines
Strasbourg - Lufthansa, LOT
Toulouse Blagnac - Singapore Airlines, Scandinavian Airlines System, All Nippon Airways, AirCanada, Lufthansa, United Airlines, Ethiopian Airlines
Athens - Lufthansa, Aegean, Ryanair
Thessaloniki - Lufthansa, Singapore Airlines, Aegean, AirBaltic, TAP Portugal
Birmingham International - Lufthansa, All Nippon Airways, United Airlines, AirCanada, Singapore Airlines
Bristol - Lufthansa
London City - British, Lufthansa
London Stansted - Ryanair
Manchester - Lufthansa, United Airlines, Austrian, All Nippon Airways
Newcastle - Lufthansa
London Heathrow - All Nippon Airways, Lufthansa, United Airlines, American Airlines, British, CroatiaAirlines, Aegean, Japan Airlines
Amsterdam Schiphol - Ethiopian Airlines, Lufthansa, AirCanada, United Airlines, LAN Airlines, KLM Royal, All Nippon Airways, Aegean, Singapore Airlines, OmanAir, ThaiAirways International, AirIndia Limited
Dublin - All Nippon Airways, Lufthansa, Singapore Airlines, Austrian, Ryanair, Aer Lingus
Shannon - Lufthansa
Keflavík - Icelandair, Lufthansa
Bari - Lufthansa
Bologna - Lufthansa, AirCanada, All Nippon Airways, Singapore Airlines, United Airlines, Luxair, AirChina
Brindisi Salento - Ryanair
Catania - Lufthansa, Ryanair
Genoa - Lufthansa
Lamezia Terme - Ryanair
Milan Bergamo - Ryanair
Milan Linate - Lufthansa, AirDolomiti, AirCanada, United Airlines, Alitalia
Milan Malpensa - Lufthansa, Singapore Airlines, Ethiopian Airlines, All Nippon Airways, United Airlines, AirCanada
Naples Capodichino - AirCanada, Lufthansa, Swiss International, All Nippon Airways, Scandinavian Airlines System, United Airlines, BrusselsAirlines
Rome Fiumicino - LAN Airlines, Singapore Airlines, Lufthansa, AirCanada, All Nippon Airways, United Airlines, Alitalia, Etihad
Turin - AirDolomiti
Venice Marco Polo - Lufthansa, TAP Portugal
Verona - AirDolomiti
Almaty - Lufthansa, AirAstana, United Airlines
Astana - AirAstana, Lufthansa
Dubrovnik - Lufthansa
Split - CroatiaAirlines
Zagreb - United Airlines, Lufthansa, Asiana Airlines, Singapore Airlines, AirCanada, CroatiaAirlines, LOT, TAP Portugal, Scandinavian Airlines System, All Nippon Airways
Vilnius - Lufthansa
Luxembourg - Lufthansa, TAP Portugal
Malta Luqa - Lufthansa, AirMalta, Etihad
Bergen - Lufthansa
Oslo Gardermoen - Lufthansa, Scandinavian Airlines System
Tromsø-Langnes - Lufthansa
Graz - Lufthansa
Linz - AirDolomiti
Salzburg - Lufthansa
Vienna Schwechat International - Austrian, Lufthansa
Wroclaw - AirCanada, LOT, United Airlines, Lufthansa
Katowice - Lufthansa
Krakow - BrusselsAirlines, Lufthansa, LOT, United Airlines, AirCanada, All Nippon Airways, Etihad, Ryanair
Poznan - Lufthansa
Rzeszow - Lufthansa
Warsaw Chopin - Lufthansa, LOT
Faro - Lufthansa, Ryanair, Eurowings
Madeira Funchal - Lufthansa, TUIfly, Condor Flugdienst
Porto - Lufthansa, AirCanada, All Nippon Airways, Luxair, Scandinavian Airlines System, Singapore Airlines, TAP Portugal, United Airlines
Lisbon Portela - TAP Portugal, Aegean, All Nippon Airways, AirChina, CroatiaAirlines, Lufthansa, Etihad, Ethiopian Airlines, SATA International, Singapore Airlines, AirCanada, Scandinavian Airlines System, ThaiAirways International, United Airlines, El Al, Egyptair, Austrian, Condor Flugdienst, AirBaltic, TUIfly
Bukarest Otopeni - Lufthansa, Blue Air, Tarom, AirBaltic
Cluj-Napoca - Lufthansa
Iasi - Lufthansa
Timisoara - Lufthansa
Saint Petersburg Pulkovo - Lufthansa, Express One International, Regionalia México
Moskow Sheremetyevo - Aeroflot, MIAT Mongolian
Moscow Domodedovo - United Airlines, Lufthansa
Edinburgh - Lufthansa, Singapore Airlines
Glasgow International - Lufthansa
Gothenburg Landvetter - Lufthansa
Malmö - Lufthansa
Ronneby - AirDolomiti
Stockholm Arlanda - Lufthansa, Scandinavian Airlines System
Geneva - Lufthansa, Swiss International
Zürich - Swiss International, Lufthansa, United Airlines, AirCanada, LAN Airlines, Ethiopian Airlines, AirChina, All Nippon Airways
Belgrade - United Airlines, Etihad
Ljubljana - Lufthansa
Alicante - Lufthansa, Ryanair
Barcelona El Prat - Ethiopian Airlines, All Nippon Airways, AirCanada, Lufthansa, Singapore Airlines, Scandinavian Airlines System, Ryanair, United Airlines, ThaiAirways International, Etihad, AirChina
Bilbao - Lufthansa, AirChina, United Airlines, Austrian, All Nippon Airways, AirCanada, Scandinavian Airlines System, Swiss International
Lanzarote Arrecife - Ryanair, TUIfly, Condor Flugdienst
Las Palmas Gran Canaria - TUIfly, Condor Flugdienst, Ryanair
Madrid Barajas - Japan Airlines, American Airlines, Iberia, Singapore Airlines, AeroMéxico, AirEuropa, Scandinavian Airlines System, AirSerbia, Etihad, LAN Airlines, Lufthansa, AirChina, Austrian, Ethiopian Airlines, United Airlines, China Airlines, Delta, Avianca - Aerovias Nacionales de Colombia, AirBaltic, AirCanada, Finnair, All Nippon Airways
Malaga Costa del Sol - Lufthansa, Austrian, Ryanair
Palma de Mallorca - Ryanair, United Airlines, TUIfly, Lufthansa, Condor Flugdienst
Seville - Lufthansa
Tenerife South - Ryanair, Lufthansa, TUIfly, Condor Flugdienst
Valencia - AirCanada, Lufthansa, All Nippon Airways, United Airlines, Ryanair
Prague - Lufthansa
Ankara Esenboğa - Pegasus, SunExpress, Lufthansa, Turkish
Antalya - SunExpress, Lufthansa
Izmir Adnan Menderes - SunExpress, Lufthansa, Turkish
Kayseri - Lufthansa, SunExpress
Istanbul Sabiha Gökçen - Turkish, Pegasus, SunExpress
Lviv - Lufthansa
Kiev Boryspil - Lufthansa, United Airlines, AirCanada
Budapest - Lufthansa, United Airlines, TAP Portugal, Singapore Airlines, Scandinavian Airlines System, All Nippon Airways, AirCanada, Ethiopian Airlines, ThaiAirways International, BrusselsAirlines, Cathay Pacific
Larnaca International - Lufthansa
Bremen - LAN Airlines, All Nippon Airways, Lufthansa, TAP Portugal, United Airlines, AirCanada, Luxair, Singapore Airlines, AirChina
Düsseldorf - United Airlines, TAP Portugal, Singapore Airlines, CroatiaAirlines, AirCanada, Swiss International, AirChina, Ethiopian Airlines, LAN Airlines, Egyptair, All Nippon Airways, Condor Flugdienst, Lufthansa, ThaiAirways International, AirIndia Limited
Friedrichshafen - All Nippon Airways, United Airlines, Lufthansa
Hamburg - Lufthansa, TAP Portugal
Hannover Langenhagen - Lufthansa, Corendon Airlines
Köln Bonn - Lufthansa, United Airlines, AirCanada, ThaiAirways International, BrusselsAirlines, Aegean, Condor Flugdienst, All Nippon Airways, AirIndia Limited, Swiss International
Munich - Lufthansa, Condor Flugdienst, Vietnam Airlines, TAP Portugal
Münster Osnabrück International - TAP Portugal, United Airlines, All Nippon Airways, AirCanada
Nuremberg - Singapore Airlines, Scandinavian Airlines System, AirCanada, All Nippon Airways, United Airlines, Lufthansa, AirChina, LAN Airlines, Cathay Pacific, ThaiAirways International, TAP Portugal
Stuttgart - Lufthansa, United Airlines
Sylt - Lufthansa