Turkey to South Korea · 4,924 miles (7,925 km)

Istanbul (IST) to Seoul (ICN) flights

3 airlines fly nonstop from Istanbul (IST) to Seoul (ICN): Asiana Airlines, Korean Air and Turkish Airlines. The two airports are 4,924 miles (7,925 km) apart. Asiana Airlines and Turkish Airlines are in Star Alliance and Korean Air is in SkyTeam. There are also 52 ways to fly it with one stop, through Astana, Ulaanbaatar and Beijing and more.

Airlines flying nonstop from IST to ICN

  • Asiana Airlines logo
    Asiana AirlinesStar Alliance · bookable with 11 programsWho books it
  • Korean Air logo
    Korean AirSkyTeam · bookable with 10 programsWho books it
  • Turkish Airlines logo
    Turkish AirlinesStar Alliance · bookable with 11 programsWho books it

Book IST to ICN with points

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

What IST to ICN costs in miles

One way, from the Award Flight Pricer's charts (November 2026). Ranges run off-peak to peak; "from" is the floor of a dynamic price.

ProgramEconomyBusinessTaxes and fees
ANA Mileage Club30,00059,000$46–435
Turkish Airlines Miles&Smiles35,000–55,00065,000–140,000$76–485
Air Canada Aeroplan40,00075,000$54–63
Avianca LifeMiles45,00075,000$51–60
EVA Air Infinity MileageLands52,50092,500$46–435
United MileagePlus55,000110,000$26–35
Compare every program in the Award Flight Pricer

IST to ICN with one stop

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

  • Via Astana (NQZ)Air Astana the whole way
    Air Astana logo
    Turkish Airlines logo
    Air Astana logo
  • Via Ulaanbaatar (UBN)Miat - Mongolian Airlines the whole way
    Turkish Airlines logo
    OM
    Korean Air logo
    OM
    Asiana Airlines logo
    +4
  • Via Beijing (PEK)Air China the whole way
    Turkish Airlines logo
    Air China logo
    Air China logo
    Korean Air logo
    Asiana Airlines logo
  • Via Beijing (PKX)China Southern Airlines the whole way
    China Southern Airlines logo
    China Southern Airlines logo
    China Eastern Airlines logo
    Air China logo
  • Via Almaty (ALA)Air Astana the whole way
    Air Astana logo
    Turkish Airlines logo
    Air Astana logo
    Asiana Airlines logo
    ZE
  • Via Bishkek (BSZ)Turkish Airlines, then T´Way Air
    Turkish Airlines logo
    T´Way Air logo
  • Via Shymkent (CIT)SCAT Airlines the whole way
    DV
    DV
  • Via Tashkent (TAS)Uzbekistan Airways, Taban Air and 1 more the whole way
    HY
    Turkish Airlines logo
    HH
    +1
    HY
    Asiana Airlines logo
    HH
    +1
  • Via Ashgabat (ASB)Turkmenistan Airlines the whole way
    T5
    Turkish Airlines logo
    T5
  • Via Xian (XIY)China Eastern Airlines the whole way
    China Eastern Airlines logo
    Korean Air logo
    China Eastern Airlines logo
    Asiana Airlines logo
  • Via Shanghai (PVG)China Eastern Airlines the whole way
    Turkish Airlines logo
    China Eastern Airlines logo
    Spring Airlines logo
    China Southern Airlines logo
    Shanghai Airlines logo
    +4
  • Via Chengdu (TFU)Sichuan Airlines the whole way
    3U
    Turkish Airlines logo
    3U
    Asiana Airlines logo
    Air China logo
  • Via Warsaw (WAW)LOT - Polish Airlines the whole way
    LOT - Polish Airlines logo
    Turkish Airlines logo
    LOT - Polish Airlines logo
  • Via Budapest (BUD)Turkish Airlines and Wizz Air, then Korean Air and Asiana Airlines
    Turkish Airlines logo
    Wizz Air logo
    Korean Air logo
    Asiana Airlines logo
  • Via Helsinki (HEL)Turkish Airlines, then Finnair
    Turkish Airlines logo
    Finnair logo
See all 52 in Routes

IST to ICN: common questions

Which airlines fly nonstop from IST to ICN?

Asiana Airlines (Star Alliance), Korean Air (SkyTeam) and Turkish Airlines (Star Alliance) fly nonstop from Istanbul (IST) to Seoul (ICN).

How far is Istanbul from Seoul by plane?

Istanbul (IST) and Seoul (ICN) are 4,924 miles (7,925 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book IST to ICN award flights?

21 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 13 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does IST to ICN cost?

In the Award Flight Pricer it starts at 30,000 miles in economy with ANA Mileage Club and 59,000 in business with ANA Mileage Club, one way, plus taxes and fees. Prices change with season and availability, so search the dates you want before you transfer points.

Where can I connect between Istanbul and Seoul?

The most direct connections are through Astana (NQZ), Ulaanbaatar (UBN), Beijing (PEK), Beijing (PKX) and Almaty (ALA). On 23 of them the same airline flies both flights, for example Air Astana through Astana.

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.