Pegasus Airlines (Turkey)
PC; Airports: Istanbul - Sabiha Gökcen, Izmir Adnan Menderes, Antalya, Ankara Esenboga, Ercan, Cyprus, Adana, Rome-Fiumicino, Rome, all Airports - (FCO, CIA)
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
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
Condor (Germany)
DE; Airports: Frankfurt-Main, Dusseldorf, Manchester, Munich, Palma de Mallorca, Hannover, Cancun, Hamburg
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
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
Austrian Airlines (Austria)
OS; Airports: Vienna International, Toronto, Toronto - Lester B. Pearson International Airport, Frankfurt-Main, Copenhagen, Munich, Stockholm-Arlanda, Stockholm Metropolitan Area
Sun Express (Turkey)
XQ; Airports: Antalya, Izmir Adnan Menderes, Dusseldorf, Cologne (Koeln)-Bonn, Hannover, Frankfurt-Main, Stuttgart-Echterdingen, Vienna International
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)
Iberia (Spain)
IB; Airports: Madrid-Barajas, London, all Airports (LCY, LGW, LHR, LTN, STN, SEN), London Heathrow, Barcelona, Chicago-IL all Airports (ORD, MDW, RFD), Chicago O'Hare International Airport, IL, Miami International Airport, FL, Mexico City-Juarez International
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
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
Sky Express (Greece)
GQ; Airports: Athens, Thira-Santorini, Mytilene (Lesbos), Heraklion, Chios, Lemnos, Kos, Samos
Aer Lingus Irish Airlines (Ireland)
EI; Airports: Chicago-IL all Airports (ORD, MDW, RFD), Chicago O'Hare International Airport, IL, Dublin, London, all Airports (LCY, LGW, LHR, LTN, STN, SEN), London Heathrow, Boston Logan International Airport, MA, New York (JFK, EWR, LGA), New York - John F. Kennedy International Airport, NY
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
KLM (Netherlands)
KL; Airports: Hartsfield-Jackson Atlanta International Airport, GA, Amsterdam-Schiphol, Detroit Metropolitan Area, Detroit Metropolitan Wayne County Airport, MI, Minneapolis - St. Paul International Airport, MN, New York (JFK, EWR, LGA), New York - John F. Kennedy International Airport, NY, Salt Lake City International Airport, UT
SAS Scandinavian Airlines (Sweden)
SK; Airports: Oslo-Gardermoen, Stockholm-Arlanda, Stockholm Metropolitan Area, Copenhagen, Chicago-IL all Airports (ORD, MDW, RFD), Chicago O'Hare International Airport, IL, Bergen-Flesland, Trondheim
Italia Trasporto Aereo (Italy)
AZ; Airports: Rome-Fiumicino, Rome, all Airports - (FCO, CIA), New York - John F. Kennedy International Airport, NY, New York (JFK, EWR, LGA), Milan, all Airports (MXP, LIN, BGY), Hartsfield-Jackson Atlanta International Airport, GA, Milan-Linate, Paris - Metropolitan Area (CDG, ORY, BVA, XCR)
Air Europa Lineas Aereas (Spain)
UX; Airports: Madrid-Barajas, New York - John F. Kennedy International Airport, NY, New York (JFK, EWR, LGA), Barcelona, Mexico City-Juarez International, Paris - Metropolitan Area (CDG, ORY, BVA, XCR), Los Angeles International Airport, CA, Palma de Mallorca