Istanbul to Seoul (IST-ICN): nonstop upgrade & award space

Turkish Airlines, Korean Air, and Asiana Airlines fly nonstop between Istanbul (IST) and Seoul (ICN), roughly 21 times a week. Turkish Airlines carries most of this long-haul schedule, so one carrier's release pattern decides when premium space appears, and it is rarely all at once. 2LNR tracks award seats on Turkish Airlines across every IST to ICN date, so you can see whether a seat exists before you move points.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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21
Nonstop flights a week
4,931 mi
Nonstop distance
Free
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Istanbul to Seoul flight schedule

Scheduled nonstop departures for IST to ICN, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Istanbul (IST) to Seoul (ICN)
Date Flight Airline Departs IST Arrives ICN Duration Aircraft
TK 90Turkish Airlines01:5017:409h 50m77W
OZ 552Asiana Airlines17:3009:209h 50m77L
KE 956Korean Air21:2013:2510h 5m789
TK 90Turkish Airlines01:5017:409h 50m77W
TK 20Turkish Airlines17:0008:359h 35m77W
OZ 552Asiana Airlines17:3009:209h 50m77L
TK 90Turkish Airlines01:5017:409h 50m77W
TK 20Turkish Airlines17:0008:359h 35m77W
OZ 552Asiana Airlines17:3009:209h 50m77L
KE 956Korean Air21:2013:2510h 5m789
TK 90Turkish Airlines01:5017:409h 50m77W
OZ 552Asiana Airlines17:3009:209h 50m77L
KE 956Korean Air21:2013:2510h 5m789
TK 90Turkish Airlines01:5017:409h 50m77W
TK 20Turkish Airlines17:0008:359h 35m77W
KE 956Korean Air21:2013:2510h 5m789
TK 90Turkish Airlines01:5017:409h 50m77W
KE 956Korean Air21:2013:2510h 5m789
TK 90Turkish Airlines01:5017:409h 50m77W
TK 20Turkish Airlines17:0008:359h 35m77W

Showing all 20 scheduled IST to ICN departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every IST to ICN date on the interactive map

Award seats on IST to ICN departures

2LNR tracks award seats on Turkish Airlines, date by date. Open the calendar for Istanbul to Seoul to see whether a seat exists before you move points, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each IST to ICN departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See IST to ICN on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Istanbul to Seoul nonstop

Carriers operating IST to ICN nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See IST to ICN on the interactive map →

Frequently asked questions about IST to ICN

How far is Seoul from Istanbul?
IST to ICN covers about 4,931 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from IST to ICN?
Turkish Airlines, Korean Air, and Asiana Airlines fly the route nonstop. 2LNR tracks award seats on Turkish Airlines.
How many flights a week are there from IST to ICN?
About 21 nonstop flights a week run between Istanbul and Seoul in the current schedule, operated by Turkish Airlines, Korean Air, and Asiana Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from IST to ICN depart?
Scheduled IST to ICN nonstops in the next 7 days with service leave between 01:50 and 21:20, local time at Istanbul. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on IST to ICN?
Open the IST to ICN route on the interactive map or the matrix to see award seats by date on Turkish Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss IST to ICN upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

Get started free