South Korea to Japan Β· 370 miles (596 km)

Seoul (ICN) to Nagasaki (NGS) flights

One airline flies nonstop from Seoul (ICN) to Nagasaki (NGS): Korean Air. The two airports are 370 miles (596 km) apart. Korean Air is in SkyTeam. There are also 3 ways to fly it with one stop, through Kobe, Osaka and Nagoya.

Airlines flying nonstop from ICN to NGS

Book ICN to NGS with points

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

ICN to NGS with one stop

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

  • Via Kobe (UKB)Korean Air, Asiana Airlines and 2 more, then Skymark Airlines
    Korean Air logo
    Asiana Airlines logo
    Jeju Air logo
    +1
    BC
  • Via Osaka (KIX)Peach Aviation the whole way
    Jeju Air logo
    Korean Air logo
    Jin Air logo
    +7
    Peach Aviation logo
  • Via Nagoya (NGO)Jeju Air, Korean Air and 2 more, then ANA
    Jeju Air logo
    Korean Air logo
    Asiana Airlines logo
    +1
    ANA logo

ICN to NGS: common questions

Which airlines fly nonstop from ICN to NGS?

Korean Air (SkyTeam) flies nonstop from Seoul (ICN) to Nagasaki (NGS).

How far is Seoul from Nagasaki by plane?

Seoul (ICN) and Nagasaki (NGS) are 370 miles (596 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 NGS award flights?

10 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, Alaska Atmos Rewards, China Eastern Eastern Miles, Delta SkyMiles, Emirates Skywards, Garuda Indonesia GarudaMiles, Korean Air SKYPASS and 2 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

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

Where can I connect between Seoul and Nagasaki?

The most direct connections are through Kobe (UKB), Osaka (KIX) and Nagoya (NGO). On 1 of them the same airline flies both flights, for example Peach Aviation through Osaka.

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.