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 AirlinesStar Alliance · bookable with 11 programsWho books it

- Korean AirSkyTeam · bookable with 10 programsWho books it

- 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.
- Air Canada AeroplanBooks Asiana Airlines, Turkish Airlines
- Air New Zealand AirpointsBooks Asiana Airlines, Turkish Airlines
- ANA Mileage ClubBooks Asiana Airlines, Turkish Airlines
- Avianca LifeMilesBooks Asiana Airlines, Turkish Airlines
- EVA Air Infinity MileageLandsBooks Asiana Airlines, Turkish Airlines
- Lufthansa Miles & MoreBooks Asiana Airlines, Turkish Airlines
- Singapore Airlines KrisFlyerBooks Asiana Airlines, Turkish Airlines
- TAP Miles&GoBooks Asiana Airlines, Turkish Airlines
- Thai Royal Orchid PlusBooks Asiana Airlines, Turkish Airlines
- Turkish Airlines Miles&SmilesBooks Asiana Airlines, Turkish Airlines
- United MileagePlusBooks Asiana Airlines, Turkish Airlines
- Aeromexico RewardsBooks Korean Air
- Air France-KLM Flying BlueBooks Korean Air
- Alaska Atmos RewardsBooks Korean Air
- China Eastern Eastern MilesBooks Korean Air
- Delta SkyMilesBooks Korean Air
- Emirates SkywardsBooks Korean Air
- Garuda Indonesia GarudaMilesBooks Korean Air
- Korean Air SKYPASSBooks Korean Air
- SAS EuroBonusBooks Korean Air
- Virgin Atlantic Flying ClubBooks Korean Air
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.
| Program | Economy | Business | Taxes and fees |
|---|---|---|---|
| ANA Mileage Club | 30,000 | 59,000 | $46–435 |
| Turkish Airlines Miles&Smiles | 35,000–55,000 | 65,000–140,000 | $76–485 |
| Air Canada Aeroplan | 40,000 | 75,000 | $54–63 |
| Avianca LifeMiles | 45,000 | 75,000 | $51–60 |
| EVA Air Infinity MileageLands | 52,500 | 92,500 | $46–435 |
| United MileagePlus | 55,000 | 110,000 | $26–35 |
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



- Via Ulaanbaatar (UBN)Miat - Mongolian Airlines the whole way
OM
OM+4
- Via Beijing (PEK)Air China the whole way





- Via Beijing (PKX)China Southern Airlines the whole way




- Via Almaty (ALA)Air Astana the whole way



ZE - Via Bishkek (BSZ)Turkish Airlines, then T´Way Air


- Via Shymkent (CIT)SCAT Airlines the whole wayDVDV
- Via Tashkent (TAS)Uzbekistan Airways, Taban Air and 1 more the whole wayHY
HH+1HY
HH+1 - Via Ashgabat (ASB)Turkmenistan Airlines the whole wayT5
T5 - Via Xian (XIY)China Eastern Airlines the whole way




- Via Shanghai (PVG)China Eastern Airlines the whole way



+4
- Via Chengdu (TFU)Sichuan Airlines the whole way3U
3U

- Via Warsaw (WAW)LOT - Polish Airlines the whole way



- Via Budapest (BUD)Turkish Airlines and Wizz Air, then Korean Air and Asiana Airlines




- Via Helsinki (HEL)Turkish Airlines, then Finnair


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.