South Korea to Japan · 534 miles (860 km)

Seoul (ICN) to Osaka (KIX) flights

10 airlines fly nonstop from Seoul (ICN) to Osaka (KIX): 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 ICN to KIX

  • 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 ICN to KIX with points

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

ICN to KIX with one stop

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

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

ICN to KIX: common questions

Which airlines fly nonstop from ICN to KIX?

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 Seoul (ICN) to Osaka (KIX).

How far is Seoul from Osaka by plane?

Seoul (ICN) and Osaka (KIX) 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 ICN to KIX 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 ICN to KIX 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 KIX with taxes and fees.

Where can I connect between Seoul and Osaka?

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.