South Korea to China · 998 miles (1,606 km)

Seoul (ICN) to Changsha (CSX) flights

3 airlines fly nonstop from Seoul (ICN) to Changsha (CSX): Asiana Airlines, China Southern Airlines and Korean Air. The two airports are 998 miles (1,606 km) apart. Asiana Airlines is in Star Alliance and Korean Air is in SkyTeam. There are also 26 ways to fly it with one stop, through Yancheng, Yangzhou and Nanjing and more.

Airlines flying nonstop from ICN to CSX

  • Asiana Airlines logo
    Asiana AirlinesStar Alliance · bookable with 11 programsWho books it
  • China Southern Airlines logo
    China Southern AirlinesNot in an alliance · bookable with 3 programsWho books it
  • Korean Air logo
    Korean AirSkyTeam · bookable with 10 programsWho books it

Book ICN to CSX with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

ICN to CSX with one stop

26 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Yancheng (YNZ)Asiana Airlines, then Sichuan Airlines
    Asiana Airlines logo
    3U
  • Via Yangzhou (YTY)Spring Airlines, then Kunming Airlines
    Spring Airlines logo
    Kunming Airlines logo
  • Via Nanjing (NKG)China Eastern Airlines the whole way
    China Eastern Airlines logo
    Asiana Airlines logo
    Korean Air logo
    Hainan Airlines logo
    Xiamen Airlines logo
    China Eastern Airlines logo
    +1
  • Via Wuxi (WUX)China Eastern Airlines the whole way
    China Eastern Airlines logo
    Shenzhen Airlines logo
    China Eastern Airlines logo
    Juneyao Airlines logo
  • Via Weihai (WEH)Jeju Air and China Eastern Airlines, then Chengdu Airlines
    Jeju Air logo
    China Eastern Airlines logo
    EU
  • Via Qingdao (TAO)China Eastern Airlines, Shandong Airlines and 1 more the whole way
    Jeju Air logo
    Korean Air logo
    China Eastern Airlines logo
    +4
    BK
    China Southern Airlines logo
    Xiamen Airlines logo
    +3
  • Via Hangzhou (HGH)Air China, Asiana Airlines and 2 more, then Loong Air
    Air China logo
    Asiana Airlines logo
    Korean Air logo
    +1
    GJ
  • Via Shanghai (PVG)China Southern Airlines and Shanghai Airlines the whole way
    Spring Airlines logo
    China Southern Airlines logo
    Shanghai Airlines logo
    +4
    China Southern Airlines logo
    Shanghai Airlines logo
    Hainan Airlines logo
    +1
  • Via Yantai (YNT)China Eastern Airlines the whole way
    China Eastern Airlines logo
    ZE
    China Southern Airlines logo
    +1
    China Eastern Airlines logo
    DR
    Shandong Airlines logo
  • Via Jinan (TNA)Shandong Airlines the whole way
    Shandong Airlines logo
    T´Way Air logo
    Air China logo
    EU
    Hainan Airlines logo
    +4
  • Via Dalian (DLC)China Southern Airlines the whole way
    China Southern Airlines logo
    Korean Air logo
    Asiana Airlines logo
    China Southern Airlines logo
    Hainan Airlines logo
    Shandong Airlines logo
    +1
  • Via Wenzhou (WNZ)Air China, then China Southern Airlines, Juneyao Airlines and 4 more
    Air China logo
    China Southern Airlines logo
    Juneyao Airlines logo
    GJ
    +3
  • Via Tianjin (TSN)Air China and Tianjin Airlines the whole way
    Air China logo
    GS
    Korean Air logo
    +1
    BK
    Air China logo
    China Southern Airlines logo
    +3
  • Via Fuzhou (FOC)Xiamen Airlines the whole way
    Xiamen Airlines logo
    Korean Air logo
    FU
    Hainan Airlines logo
    Xiamen Airlines logo
    +1
  • Via Beijing (PKX)China Southern Airlines, China Eastern Airlines and 1 more the whole way
    China Southern Airlines logo
    China Eastern Airlines logo
    Air China logo
    China Southern Airlines logo
    Xiamen Airlines logo
    Air China logo
    +4
See all 26 in Routes

ICN to CSX: common questions

Which airlines fly nonstop from ICN to CSX?

Asiana Airlines (Star Alliance), China Southern Airlines and Korean Air (SkyTeam) fly nonstop from Seoul (ICN) to Changsha (CSX).

How far is Seoul from Changsha by plane?

Seoul (ICN) and Changsha (CSX) are 998 miles (1,606 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book ICN to CSX award flights?

21 programs can book at least one of the nonstop airlines: Air France-KLM Flying Blue, Delta SkyMiles, Emirates Skywards, Aeromexico Rewards, Air Canada Aeroplan, Air New Zealand Airpoints, Alaska Atmos Rewards, ANA Mileage Club and 13 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does ICN to CSX cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for ICN to CSX with taxes and fees.

Where can I connect between Seoul and Changsha?

The most direct connections are through Yancheng (YNZ), Yangzhou (YTY), Nanjing (NKG), Wuxi (WUX) and Weihai (WEH). On 20 of them the same airline flies both flights, for example China Eastern Airlines through Nanjing.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.