Asiana Airlines (South Korea)
OZ; Airports: Seoul, all airports (ICN, GMP), Seoul Incheon, Chicago IL all Airports (ORD, MDW, RFD), Chicago O'Hare, Los Angeles International, San Francisco International Airport, Jeju, Busan - Gimhae
Korean Air (South Korea)
KE; Airports: Atlanta International Airport, GA, Detroit Metropolitan Area, Detroit Metropolitan Wayne County Airport, MI, Seattle-Tacoma, New York (JFK, EWR, LGA), Los Angeles International, New York John F Kennedy, Minneapolis - St. Paul International Airport, MN
Jin Air (South Korea)
LJ; Airports: Seoul, all airports (ICN, GMP), Seoul Incheon, Busan - Gimhae, Jeju, Osaka-Kansai International Airport, Osaka all Airports (KIX, ITM), Fukuoka, Seoul - Gimpo International
Jeju Air (South Korea)
7C; Airports: Seoul, all airports (ICN, GMP), Seoul Incheon, Jeju, Busan - Gimhae, Seoul - Gimpo International, Tokyo, all Airports (HND, NRT), Osaka-Kansai International Airport, Tokyo Narita
Air Busan (South Korea)
BX; Airports: Busan - Gimhae, Jeju, Seoul - Gimpo International, Seoul, all airports (ICN, GMP), Osaka-Kansai International Airport, Osaka all Airports (KIX, ITM), Daegu, Ulsan
Eastar Jet (South Korea)
ZE; Airports: Seoul, all airports (ICN, GMP), Jeju, Seoul Incheon, Seoul - Gimpo International, Cheongju, Vladivostok, Osaka-Kansai International Airport, Osaka all Airports (KIX, ITM)
Tway Air (South Korea)
TW; Airports: Seoul, all airports (ICN, GMP), Seoul Incheon, Jeju, Daegu, Tokyo Narita, Tokyo, all Airports (HND, NRT), Seoul - Gimpo International, Osaka-Kansai International Airport
Air Seoul (South Korea)
RS; Airports: Seoul Incheon, Seoul, all airports (ICN, GMP), Fukuoka, Takamatsu, Yonago, Tokyo Narita, Okinawa-Ryukyo Island-Naha, Tokyo, all Airports (HND, NRT)
Fly Gangwon (South Korea)
4V
Aero K (South Korea)
RF
Hi Air (South Korea)
4H
Air Premia (South Korea)
YP