Japan to South Korea · 884 miles (1,422 km)

Sapporo (CTS) to Seoul (ICN) flights

Virgin Atlantic Flying Club logo
7,000 milesCheapest economy award, one way, with Virgin Atlantic Flying Club

An economy award from Sapporo (CTS) to Seoul (ICN) starts at 7,000 miles one way with Virgin Atlantic Flying Club on Korean Air, plus taxes and fees from $77.70. 7 airlines fly nonstop from Sapporo (CTS) to Seoul (ICN): Asiana Airlines, Eastar Jet, Jeju Air, Jin Air, Korean Air, T´Way Air and Thai Smile. The two airports are 884 miles (1,422 km) apart. Asiana Airlines is in Star Alliance and Korean Air is in SkyTeam. There are also 17 ways to fly it with one stop, through Hakodate, Aomori and Daegu and more.

How many miles CTS to ICN costs

Economy, one way, on the nonstop flights, from the Award Flight Pricer's award charts. Ranges run off-peak to peak; "from" is the floor of a dynamic price.

ProgramEconomyTaxes and fees
Virgin Atlantic Flying ClubOn Korean Air7,000$77.70–142
Alaska Atmos RewardsOn Korean Air7,500$57.70–62
ANA Mileage ClubOn Asiana Airlines7,500$57.70–442
Delta SkyMilesOn Korean Air7,500$37.70–42
Air Canada AeroplanOn Asiana Airlines8,000$65.70–70
Emirates SkywardsOn Korean Air8,000$37.70–392
Etihad GuestOn Korean Air12,000$37.70–292
JAL Mileage BankOn Korean Air12,000$37.70–42
Singapore Airlines KrisFlyerOn Asiana Airlines14,500$57.70–442
Avianca LifeMilesOn Asiana Airlines15,000$62.70–67
EVA Air Infinity MileageLandsOn Asiana Airlines15,000$57.70–442
SAS EuroBonusOn Korean Air15,000$88.10–148.40

Business and first class prices, and 3 more programs, are in the Award Flight Pricer. Chart prices need award space on your date, so search it before you transfer points.

Compare every program in the Award Flight Pricer

Airlines flying nonstop from CTS to ICN

  • 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
  • T´Way Air logo
    T´Way AirNot in an alliance
  • Thai Smile logo
    Thai SmileNot in an alliance

Book CTS to ICN with points

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

CTS to ICN with one stop

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

  • Via Hakodate (HKD)ANA, then Jeju Air
    ANA logo
    Jeju Air logo
  • Via Aomori (AOJ)JAL and ANA, then Korean Air
    JAL logo
    ANA logo
    Korean Air logo
  • Via Daegu (TAE)T´Way Air, then Korean Air
    T´Way Air logo
    Korean Air logo
  • Via Niigata (KIJ)ANA and Fuji Dream Airlines, then Korean Air
    ANA logo
    JH
    Korean Air logo
  • Via Busan (PUS)Air Busan, Eastar Jet and 3 more, then Korean Air
    BX
    ZE
    Jin Air logo
    +2
    Korean Air logo
  • Via Komatsu (KMQ)ANA, then Korean Air
    ANA logo
    Korean Air logo
  • Via Sendai (SDJ)Air Do, JAL and 3 more, then Asiana Airlines
    HD
    JAL logo
    Peach Aviation logo
    +2
    Asiana Airlines logo
  • Via Okayama (OKJ)ANA, then Korean Air
    ANA logo
    Korean Air logo
  • Via Hiroshima (HIJ)JAL and ANA, then Jeju Air and Korean Air
    JAL logo
    ANA logo
    Jeju Air logo
    Korean Air logo
  • Via Kobe (UKB)Skymark Airlines, Air Do and 1 more, then Korean Air, Asiana Airlines and 2 more
    BC
    HD
    ANA logo
    Korean Air logo
    Asiana Airlines logo
    Jeju Air logo
    +1
  • Via Osaka (KIX)Peach Aviation the whole way
    Jetstar Japan logo
    JAL logo
    Peach Aviation logo
    +1
    Jeju Air logo
    Korean Air logo
    Jin Air logo
    +7
  • Via Nagoya (NGO)Skymark Airlines, Air Do and 4 more, then Jeju Air, Korean Air and 2 more
    BC
    HD
    JAL logo
    +3
    Jeju Air logo
    Korean Air logo
    Asiana Airlines logo
    +1
  • Via Tokushima (TKS)JAL, then Eastar Jet
    JAL logo
    ZE
  • Via Fukuoka (FUK)Skymark Airlines, JAL and 5 more, then Jeju Air, Korean Air and 6 more
    BC
    JAL logo
    Peach Aviation logo
    +4
    Jeju Air logo
    Korean Air logo
    Jin Air logo
    +5
  • Via Tokyo (HND)Skymark Airlines, Air Do and 2 more, then Korean Air, Peach Aviation and 1 more
    BC
    HD
    JAL logo
    +1
    Korean Air logo
    Peach Aviation logo
    Asiana Airlines logo
See all 17 in Routes

CTS to ICN: common questions

How many miles does CTS to ICN cost?

In economy it starts at 7,000 miles one way with Virgin Atlantic Flying Club on Korean Air, plus taxes and fees from $77.70. Next cheapest: Alaska Atmos Rewards (7,500), ANA Mileage Club (7,500) and Delta SkyMiles (7,500). These are award chart prices from the Award Flight Pricer. Programs that price dynamically can cost more on busy dates, so check yours before you transfer points. Business and first class prices are in the pricer too.

Which airlines fly nonstop from CTS to ICN?

Asiana Airlines (Star Alliance), Eastar Jet, Jeju Air, Jin Air, Korean Air (SkyTeam), T´Way Air and Thai Smile fly nonstop from Sapporo (CTS) to Seoul (ICN).

How far is Sapporo from Seoul by plane?

Sapporo (CTS) and Seoul (ICN) are 884 miles (1,422 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book CTS 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.

Where can I connect between Sapporo and Seoul?

The most direct connections are through Hakodate (HKD), Aomori (AOJ), Daegu (TAE), Niigata (KIJ) and Busan (PUS). On 2 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.