Key Takeaways
- 89 airlines fly scheduled routes from South Korea. Together they operate 672 distinct outgoing routes from the country's airports
- Korean Air runs the widest network. 105 outgoing routes from South Korea — about 1.5x the next airline
- ICN is the busiest hub. Ranked by the number of outgoing routes departing each airport
- Every airline mapped. Each of the top 12 carriers gets a map of where it flies from South Korea
Which airlines are most active in South Korea? Using live AirportRoutes data, we ranked every airline by the number of distinct outgoing routes it operates from South Korea’s airports — each origin-to-destination pair counted once. Below, every one of the top 12 carriers gets a map of where it flies.

The Full Ranking
Full ranking
Most Active Airlines in South Korea
By distinct outgoing routes operated from the country’s airports.
| Airline | Routes | Destinations | Busiest base |
|---|---|---|---|
1. Korean Air | 105 | 79 | Main hub: ICN |
2. Jin Air | 68 | 36 | Main hub: ICN |
3. Asiana | 63 | 53 | Main hub: ICN |
4. Tway Air | 62 | 38 | Main hub: ICN |
5. Jeju Air | 62 | 43 | Main hub: ICN |
6. Air Busan | 38 | 28 | Main hub: PUS |
7. Eastarjet | 33 | 23 | Main hub: ICN |
8. Aero K | 23 | 20 | Main hub: CJJ |
9. VietJet Air | 12 | 6 | Main hub: ICN |
10. Air Seoul | 11 | 11 | Main hub: ICN |
11. China Eastern | 11 | 8 | Main hub: ICN |
12. China Southern Airlines | 11 | 10 | Main hub: ICN |
Where the Routes Are: South Korea’s Busiest Airports

Each Airline — Where It Flies
Pick an airline and toggle Domestic / Continental / Intercontinental to see where each one flies. Click a dot for details.
1. Korean Air
105 outgoing routes from 10 airports in South Korea to 79 destinations (10 domestic, 69 international). Busiest bases: ICN, CJU, PUS. Top destinations include Jeju, Seoul, Busan, Seoul (Incheon), Cheongju.
2. Jin Air
68 outgoing routes from 13 airports in South Korea to 36 destinations (12 domestic, 24 international). Busiest bases: ICN, PUS, CJU. Top destinations include Jeju, Seoul, Izumisano, Fukuoka, Tokyo (Narita).
3. Asiana
63 outgoing routes from 7 airports in South Korea to 53 destinations (6 domestic, 46 international). Busiest bases: ICN, GMP, CJU. Top destinations include Jeju, Seoul, Shanghai, Anchorage, Daegu.
4. Tway Air
62 outgoing routes from 7 airports in South Korea to 38 destinations (6 domestic, 32 international). Busiest bases: ICN, TAE, CJJ. Top destinations include Jeju, Seoul, Izumisano, Fukuoka, Tokyo (Narita).
5. Jeju Air
62 outgoing routes from 7 airports in South Korea to 43 destinations (6 domestic, 37 international). Busiest bases: ICN, PUS, CJU. Top destinations include Jeju, Seoul, Fukuoka, Izumisano, Tokyo (Narita).
6. Air Busan
38 outgoing routes from 5 airports in South Korea to 28 destinations (4 domestic, 24 international). Busiest bases: PUS, ICN, CJU. Top destinations include Jeju, Busan, Seoul, Fukuoka, Tokyo (Narita).
7. Eastarjet
33 outgoing routes from 5 airports in South Korea to 23 destinations (4 domestic, 19 international). Busiest bases: ICN, PUS, CJU. Top destinations include Jeju, Seoul, Cheongju, Taipei, Izumisano.
8. Aero K
23 outgoing routes from 3 airports in South Korea to 20 destinations (2 domestic, 18 international). Busiest bases: CJJ, ICN, CJU. Top destinations include Izumisano, Tokyo (Narita), Chitose, Jeju, Taipei.
9. VietJet Air
12 outgoing routes from 3 airports in South Korea to 6 destinations (0 domestic, 6 international). Busiest bases: ICN, PUS, TAE. Top destinations include Nha Trang, Phu Quoc, Da Nang, Hanoi, Ho Chi Minh City.
10. Air Seoul
11 outgoing routes from 3 airports in South Korea to 11 destinations (2 domestic, 9 international). Busiest bases: ICN, GMP, CJU. Top destinations include Jeju, Izumisano, Seoul, Da Nang, Fukuoka.
11. China Eastern
11 outgoing routes from 5 airports in South Korea to 8 destinations (0 domestic, 8 international). Busiest bases: ICN, GMP, TAE. Top destinations include Shanghai, Shanghai, Yantai, Qingdao, Nanjing.
12. China Southern Airlines
11 outgoing routes from 3 airports in South Korea to 10 destinations (0 domestic, 10 international). Busiest bases: ICN, PUS, GMP. Top destinations include Guangzhou, Dalian, Shenyang, Shanghai, Shenzhen.
Airline route data for South Korea.
Image Sources
- Mappr – Ranking chart, route maps and featured illustration created by Mappr (basemap © MapTiler, © OpenStreetMap)











