South Korea to China · 448 miles (721 km)

Seoul (ICN) to Yancheng (YNZ) flights

One airline flies nonstop from Seoul (ICN) to Yancheng (YNZ): Asiana Airlines. The two airports are 448 miles (721 km) apart. Asiana Airlines is in Star Alliance. There are also 7 ways to fly it with one stop, through Dalian, Shenyang and Beijing and more.

Airlines flying nonstop from ICN to YNZ

  • Asiana Airlines logo
    Asiana AirlinesStar Alliance · bookable with 11 programsWho books it

Book ICN to YNZ with points

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

ICN to YNZ with one stop

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

  • Via Dalian (DLC)China Southern Airlines, Korean Air and 1 more, then Spring Airlines
    China Southern Airlines logo
    Korean Air logo
    Asiana Airlines logo
    Spring Airlines logo
  • Via Shenyang (SHE)China Southern Airlines, Korean Air and 1 more, then China Eastern Airlines, Spring Airlines and 1 more
    China Southern Airlines logo
    Korean Air logo
    T´Way Air logo
    China Eastern Airlines logo
    Spring Airlines logo
    EU
  • Via Beijing (PKX)Air China the whole way
    China Southern Airlines logo
    China Eastern Airlines logo
    Air China logo
    Air China logo
  • Via Beijing (PEK)Air China the whole way
    Air China logo
    Korean Air logo
    Asiana Airlines logo
    Air China logo
  • Via Shijiazhuang (SJW)Spring Airlines and Jeju Air, then Tianjin Airlines
    Spring Airlines logo
    Jeju Air logo
    GS
  • Via Wuhan (WUH)China Southern Airlines the whole way
    China Southern Airlines logo
    Korean Air logo
    T´Way Air logo
    China Eastern Airlines logo
    China Southern Airlines logo
  • Via Changchun (CGQ)China Southern Airlines and Asiana Airlines, then Chengdu Airlines and Sichuan Airlines
    China Southern Airlines logo
    Asiana Airlines logo
    EU
    3U

ICN to YNZ: common questions

Which airlines fly nonstop from ICN to YNZ?

Asiana Airlines (Star Alliance) flies nonstop from Seoul (ICN) to Yancheng (YNZ).

How far is Seoul from Yancheng by plane?

Seoul (ICN) and Yancheng (YNZ) are 448 miles (721 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 YNZ award flights?

11 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, EVA Air Infinity MileageLands, Lufthansa Miles & More, Singapore Airlines KrisFlyer, TAP Miles&Go and 3 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does ICN to YNZ 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 YNZ with taxes and fees.

Where can I connect between Seoul and Yancheng?

The most direct connections are through Dalian (DLC), Shenyang (SHE), Beijing (PKX), Beijing (PEK) and Shijiazhuang (SJW). On 3 of them the same airline flies both flights, for example Air China through Beijing.

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.