|
| From | Destination | Type |
|---|
| Cheongju (CJJ) | Jeju (CJU) | Direct | details |
| Daegu (TAE) | Jeju (CJU) | Direct | details |
| Gwangju (KWJ) | Jeju (CJU) | Direct | details |
| Gwangju (KWJ) | Seoul Gimpo (GMP) | Direct | details |
| Jeju (CJU) | Cheongju (CJJ) | Direct | details |
| Jeju (CJU) | Daegu (TAE) | Direct | details |
| Jeju (CJU) | Gwangju (KWJ) | Direct | details |
| Jeju (CJU) | Seoul Gimpo (GMP) | Direct | details |
| Jeju (CJU) | Yeosu/Suncheon (RSU) | Direct | details |
| Seoul Gimpo (GMP) | Beijing Capital (PEK) | Direct | details |
| Seoul Gimpo (GMP) | Gwangju (KWJ) | Direct | details |
| Seoul Gimpo (GMP) | Hongqiao, Shanghai (SHA) | Direct | details |
| Seoul Gimpo (GMP) | Jeju (CJU) | Direct | details |
| Seoul Gimpo (GMP) | Kansai, Osaka (KIX) | Direct | details |
| Seoul Gimpo (GMP) | Tokyo Haneda (HND) | Direct | details |
| Seoul Gimpo (GMP) | Yeosu/Suncheon (RSU) | Direct | details |
| Seoul Incheon (ICN) | Almaty (ALA) | Direct | details |
| Seoul Incheon (ICN) | Anchorage, AK (ANC) | Direct | details |
| Seoul Incheon (ICN) | Angeles/Mabalacat (CRK) | Direct | details |
| Seoul Incheon (ICN) | Asahikawa (AKJ) | Direct | details |
| Seoul Incheon (ICN) | Athens (ATH) | Direct | details |
| Seoul Incheon (ICN) | Atlanta, GA (ATL) | Non-Direct | details |
| Seoul Incheon (ICN) | Bangkok Suvarnabhumi (BKK) | Direct | details |
| Seoul Incheon (ICN) | Barcelona (BCN) | Direct | details |
| Seoul Incheon (ICN) | Beijing Capital (PEK) | Direct | details |
| Seoul Incheon (ICN) | Cebu (CEB) | Direct | details |
| Seoul Incheon (ICN) | Changchun (CGQ) | Direct | details |
| Seoul Incheon (ICN) | Changsha (CSX) | Direct | details |
| Seoul Incheon (ICN) | Chengdu Tianfu (TFU) | Direct | details |
| Seoul Incheon (ICN) | Chiang Mai (CNX) | Direct | details |
| Seoul Incheon (ICN) | Chicago O'Hare, IL (ORD) | Non-Direct | details |
| Seoul Incheon (ICN) | Chinggis Khaan, Ulaanbaatar (UBN) | Direct | details |
| Seoul Incheon (ICN) | Chongqing (CKG) | Non-Direct | details |
| Seoul Incheon (ICN) | Da Nang (DAD) | Direct | details |
| Seoul Incheon (ICN) | Dalian (DLC) | Direct | details |
| Seoul Incheon (ICN) | Dallas Fort Worth, TX (DFW) | Non-Direct | details |
| Seoul Incheon (ICN) | Frankfurt (FRA) | Direct | details |
| Seoul Incheon (ICN) | Fukuoka (FUK) | Direct | details |
| Seoul Incheon (ICN) | Guangzhou (CAN) | Direct | details |
| Seoul Incheon (ICN) | Hangzhou (HGH) | Direct | details |
| Seoul Incheon (ICN) | Hanoi (HAN) | Direct | details |
| Seoul Incheon (ICN) | Harbin (HRB) | Direct | details |
| Seoul Incheon (ICN) | Ho Chi Minh City (SGN) | Direct | details |
| Seoul Incheon (ICN) | Hong Kong (HKG) | Direct | details |
| Seoul Incheon (ICN) | Honolulu, HI (HNL) | Direct | details |
| Seoul Incheon (ICN) | Istanbul (IST) | Direct | details |
| Seoul Incheon (ICN) | Jakarta Soekarno-Hatta (CGK) | Direct | details |
| Seoul Incheon (ICN) | Kansai, Osaka (KIX) | Direct | details |
| Seoul Incheon (ICN) | Kota Kinabalu (BKI) | Direct | details |
| Seoul Incheon (ICN) | Kumamoto (KMJ) | Direct | details |
| Seoul Incheon (ICN) | London Heathrow (LHR) | Direct | details |
| Seoul Incheon (ICN) | London Stansted (STN) | Non-Direct | details |
| Seoul Incheon (ICN) | Los Angeles, CA (LAX) | Direct | details |
| Seoul Incheon (ICN) | Malpensa, Milan (MXP) | Non-Direct | details |
| Seoul Incheon (ICN) | Manila (MNL) | Direct | details |
| Seoul Incheon (ICN) | Melbourne (MEL) | Direct | details |
| Seoul Incheon (ICN) | Miyazaki (KMI) | Direct | details |
| Seoul Incheon (ICN) | Nagoya Chubu Centrair (NGO) | Direct | details |
| Seoul Incheon (ICN) | Nanjing (NKG) | Direct | details |
| Seoul Incheon (ICN) | New Chitose, Sapporo (CTS) | Direct | details |
| Seoul Incheon (ICN) | New York John F. Kennedy, NY (JFK) | Direct | details |
| Seoul Incheon (ICN) | Nha Trang (CXR) | Direct | details |
| Seoul Incheon (ICN) | Okinawa (OKA) | Direct | details |
| Seoul Incheon (ICN) | Paris Charles de Gaulle (CDG) | Direct | details |
| Seoul Incheon (ICN) | Phnom Penh (PNH) | Direct | details |
| Seoul Incheon (ICN) | Qingdao (TAO) | Direct | details |
| Seoul Incheon (ICN) | Rome Leonardo da Vinci Fiumicino (FCO) | Direct | details |
| Seoul Incheon (ICN) | San Francisco, CA (SFO) | Direct | details |
| Seoul Incheon (ICN) | Seattle-Tacoma, WA (SEA) | Direct | details |
| Seoul Incheon (ICN) | Sendai (SDJ) | Direct | details |
| Seoul Incheon (ICN) | Shanghai Pudong (PVG) | Direct | details |
| Seoul Incheon (ICN) | Shenzhen (SZX) | Direct | details |
| Seoul Incheon (ICN) | Singapore Changi (SIN) | Direct | details |
| Seoul Incheon (ICN) | Sydney (SYD) | Direct | details |
| Seoul Incheon (ICN) | Taiwan Taoyuan, Taipei (TPE) | Direct | details |
| Seoul Incheon (ICN) | Tashkent (TAS) | Direct | details |
| Seoul Incheon (ICN) | Tianjin (TSN) | Direct | details |
| Seoul Incheon (ICN) | Tokyo Haneda (HND) | Direct | details |
| Seoul Incheon (ICN) | Tokyo Narita (NRT) | Direct | details |
| Seoul Incheon (ICN) | Toyama (TOY) | Direct | details |
| Seoul Incheon (ICN) | Ube (UBJ) | Direct | details |
| Seoul Incheon (ICN) | Venice Marco Polo (VCE) | Direct | details |
| Seoul Incheon (ICN) | Vienna (VIE) | Non-Direct | details |
| Seoul Incheon (ICN) | Xi'an (XIY) | Direct | details |
| Seoul Incheon (ICN) | Yancheng (YNZ) | Direct | details |
| Seoul Incheon (ICN) | Yanji (YNJ) | Direct | details |
| Yeosu/Suncheon (RSU) | Jeju (CJU) | Direct | details |
| Yeosu/Suncheon (RSU) | Seoul Gimpo (GMP) | Direct | details |