Pegasus Airlines (Turkey)
PC; Airports: Istanbul - Sabiha Gökcen, Izmir Adnan Menderes, Antalya, Ankara Esenboga, Ercan, Cyprus, Adana, Rome-Fiumicino, Rome, all Airports - (FCO, CIA)
Turkish Airlines (Turkey)
TK; Airports: Istanbul-Ataturk, Ankara Esenboga, Istanbul - Sabiha Gökcen, Oslo-Gardermoen, Stockholm-Arlanda, Stockholm Metropolitan Area, Izmir Adnan Menderes, Antalya
Eurowings (Germany)
EW; Airports: Dusseldorf, Stuttgart-Echterdingen, Cologne (Koeln)-Bonn, Hamburg, Berlin (TXL, SXF), Berlin-Tegel, Palma de Mallorca, Vienna International
Lufthansa (Germany)
LH; Airports: Munich, Frankfurt-Main, Oslo-Gardermoen, Vienna International, Dusseldorf, Chicago-IL all Airports (ORD, MDW, RFD), Chicago O'Hare International Airport, IL, Stockholm-Arlanda
Sun Express (Turkey)
XQ; Airports: Antalya, Izmir Adnan Menderes, Dusseldorf, Cologne (Koeln)-Bonn, Hannover, Frankfurt-Main, Stuttgart-Echterdingen, Vienna International
British Airways (United Kingdom)
BA; Airports: London, all Airports (LCY, LGW, LHR, LTN, STN, SEN), London Heathrow, London Gatwick, Dallas-Fort Worth International Airport, T, Chicago-IL all Airports (ORD, MDW, RFD), Chicago O'Hare International Airport, IL, Madrid-Barajas, Dublin
Swiss International Air Lines (Switzerland)
LX; Airports: Zurich (Zürich)-Kloten, Geneva, Vienna International, Chicago-IL all Airports (ORD, MDW, RFD), Chicago O'Hare International Airport, IL, London, all Airports (LCY, LGW, LHR, LTN, STN, SEN), Frankfurt-Main, Lulea
Austrian Airlines (Austria)
OS; Airports: Vienna International, Toronto, Toronto - Lester B. Pearson International Airport, Frankfurt-Main, Copenhagen, Munich, Stockholm-Arlanda, Stockholm Metropolitan Area
Norwegian Air International (Norway)
D8; Airports: Copenhagen, Helsinki-Vantaa, Oslo-Gardermoen, Stockholm-Arlanda, Stockholm Metropolitan Area, London Gatwick, London, all Airports (LCY, LGW, LHR, LTN, STN, SEN), Málaga
Polskie Linie Lotnicze LOT (Poland)
LO; Airports: Warsaw, Chicago-IL all Airports (ORD, MDW, RFD), Chicago O'Hare International Airport, IL, Frankfurt-Main, Krakow, Munich, Vienna International, Wroclaw - Strachowice
easyJet (United Kingdom)
U2; Airports: London, all Airports (LCY, LGW, LHR, LTN, STN, SEN), London Gatwick, Berlin (TXL, SXF), Milan, all Airports (MXP, LIN, BGY), Milan-Malpensa, Berlin-Tegel, Geneva, London Luton
Aegean Airlines (Greece)
A3; Airports: Athens, Munich, Stockholm-Arlanda, Stockholm Metropolitan Area, Frankfurt-Main, Copenhagen, Paris - Charles de Gaulle, Paris - Metropolitan Area (CDG, ORY, BVA, XCR)
Finnair (Finland)
AY; Airports: Helsinki-Vantaa, London, all Airports (LCY, LGW, LHR, LTN, STN, SEN), London Heathrow, Stockholm Metropolitan Area, Stockholm-Bromma, New York (JFK, EWR, LGA), Doha International Airport, Gothenburg-Landvetter
Vueling Airlines (Spain)
VY; Airports: Barcelona, Rome-Fiumicino, Rome, all Airports - (FCO, CIA), Paris - Metropolitan Area (CDG, ORY, BVA, XCR), Bilbao, Palma de Mallorca, Paris-Orly, Alicante
Air Serbia (Serbia)
JU; Airports: Belgrade (Beograd), Rome-Fiumicino, Rome, all Airports - (FCO, CIA), Abu Dhabi, Venice - Marco Polo, Madrid-Barajas, Turin, Moscow - Metropolitan Area
Brussels Airlines (Belgium)
SN; Airports: Brussels, Frankfurt-Main, Washington DC - Dulles International Airport, DC, Washington-DC, Chicago-IL all Airports (ORD, MDW, RFD), Chicago O'Hare International Airport, IL, New York (JFK, EWR, LGA), Toronto
Air France (France)
AF; Airports: Hartsfield-Jackson Atlanta International Airport, GA, Paris - Metropolitan Area (CDG, ORY, BVA, XCR), Detroit Metropolitan Area, Detroit Metropolitan Wayne County Airport, MI, Paris - Charles de Gaulle, Paris-Orly, New York (JFK, EWR, LGA), New York - John F. Kennedy International Airport, NY
Wizz Air (Hungary)
W6; Airports: Budapest-Ferihegy, Warsaw, Bucharest-Otopeni, London, all Airports (LCY, LGW, LHR, LTN, STN, SEN), Gdansk, London Luton, Katowice, Vienna International
Condor (Germany)
DE; Airports: Frankfurt-Main, Dusseldorf, Manchester, Munich, Palma de Mallorca, Hannover, Cancun, Hamburg
TAP Air Portugal (Portugal)
TP; Airports: Lisbon, Sao Paulo - Metropolitan Area ( CGH, GRU, VCP), Sao Paulo Guarulhos International Airport, Rio de Janeiro, all Airports (GIG, SDU), Frankfurt-Main, Rio de Janeiro - Galeao, New York (JFK, EWR, LGA), Munich