Japan to South Korea · 534 miles (860 km)

Osaka (KIX) to Seoul (ICN) flights

10 airlines fly nonstop from Osaka (KIX) to Seoul (ICN): Air Busan, Air Seoul, Asiana Airlines, Eastar Jet, Jeju Air, Jin Air, Korean Air, Peach Aviation, T´Way Air and Thai Smile. The two airports are 534 miles (860 km) apart. Asiana Airlines is in Star Alliance and Korean Air is in SkyTeam. There are also 14 ways to fly it with one stop, through Daegu, Busan and Fukuoka and more.

Airlines flying nonstop from KIX to ICN

  • BX
    Air BusanNot in an alliance
  • RS
    Air SeoulNot in an alliance
  • Asiana Airlines logo
    Asiana AirlinesStar Alliance · bookable with 11 programsWho books it
  • ZE
    Eastar JetNot in an alliance
  • Jeju Air logo
    Jeju AirNot in an alliance
  • Jin Air logo
    Jin AirNot in an alliance
  • Korean Air logo
    Korean AirSkyTeam · bookable with 10 programsWho books it
  • Peach Aviation logo
    Peach AviationNot in an alliance
  • T´Way Air logo
    T´Way AirNot in an alliance
  • Thai Smile logo
    Thai SmileNot in an alliance

Book KIX to ICN with points

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

KIX to ICN with one stop

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

  • Via Daegu (TAE)T´Way Air, then Korean Air
    T´Way Air logo
    Korean Air logo
  • Via Busan (PUS)Jeju Air, Air Busan and 3 more, then Korean Air
    Jeju Air logo
    BX
    Jin Air logo
    +2
    Korean Air logo
  • Via Fukuoka (FUK)Peach Aviation, then Jeju Air, Korean Air and 6 more
    Peach Aviation logo
    Jeju Air logo
    Korean Air logo
    Jin Air logo
    +5
  • Via Nagasaki (NGS)Peach Aviation, then Korean Air
    Peach Aviation logo
    Korean Air logo
  • Via Miyazaki (KMI)Peach Aviation, then Asiana Airlines
    Peach Aviation logo
    Asiana Airlines logo
  • Via Kagoshima (KOJ)Peach Aviation, then Jeju Air, Korean Air and 1 more
    Peach Aviation logo
    Jeju Air logo
    Korean Air logo
    ZE
  • Via Jeju (CJU)T´Way Air, then Jeju Air
    T´Way Air logo
    Jeju Air logo
  • Via Tokyo (HND)StarFlyer, JAL and 1 more, then Korean Air, Peach Aviation and 1 more
    7G
    JAL logo
    ANA logo
    Korean Air logo
    Peach Aviation logo
    Asiana Airlines logo
  • Via Tokyo (NRT)Peach Aviation the whole way
    Jetstar Japan logo
    Peach Aviation logo
    Jeju Air logo
    Ethiopian Airlines logo
    Korean Air logo
    +10
  • Via Dalian (DLC)Spring Airlines, then China Southern Airlines, Korean Air and 1 more
    Spring Airlines logo
    China Southern Airlines logo
    Korean Air logo
    Asiana Airlines logo
  • Via Sendai (SDJ)Peach Aviation, then Asiana Airlines
    Peach Aviation logo
    Asiana Airlines logo
  • Via Qingdao (TAO)Shandong Airlines and Qingdao Airlines the whole way
    Shandong Airlines logo
    QW
    Jeju Air logo
    Korean Air logo
    China Eastern Airlines logo
    +4
  • Via Shanghai (PVG)Spring Airlines, Shanghai Airlines and 1 more the whole way
    Spring Airlines logo
    Air China logo
    Shanghai Airlines logo
    +5
    Spring Airlines logo
    China Southern Airlines logo
    Shanghai Airlines logo
    +4
  • Via Wuxi (WUX)Shenzhen Airlines the whole way
    Shenzhen Airlines logo
    China Eastern Airlines logo
    Shenzhen Airlines logo

KIX to ICN: common questions

Which airlines fly nonstop from KIX to ICN?

Air Busan, Air Seoul, Asiana Airlines (Star Alliance), Eastar Jet, Jeju Air, Jin Air, Korean Air (SkyTeam), Peach Aviation, T´Way Air and Thai Smile fly nonstop from Osaka (KIX) to Seoul (ICN).

How far is Osaka from Seoul by plane?

Osaka (KIX) and Seoul (ICN) are 534 miles (860 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book KIX to ICN award flights?

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

How many miles does KIX to ICN cost?

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

Where can I connect between Osaka and Seoul?

The most direct connections are through Daegu (TAE), Busan (PUS), Fukuoka (FUK), Nagasaki (NGS) and Miyazaki (KMI). On 4 of them the same airline flies both flights, for example Peach Aviation through Tokyo.

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.