--- title: "Istanbul (IST) to Seoul (ICN) flights: who flies it" description: "Turkish Airlines, Korean Air and Asiana Airlines fly nonstop from IST to ICN, about 19 flights a week. See award seats by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/ist-icn" url: "https://2lnr.com/routes/ist-icn.md" date_modified: "2026-10-18T05:10:47Z" --- # Istanbul to Seoul (IST-ICN): nonstop flights and award space Turkish Airlines, Korean Air, and Asiana Airlines fly nonstop between Istanbul (IST) and Seoul (ICN), roughly 19 times a week. The timetable below shows the nonstop scheduled at 9h 35m to 10h 15m for the 4,931 miles. 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 October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 24, 2026. See IST to ICN on the interactive map [Get started free](https://2lnr.com/login) 19 Flights a week, 4-week average 9h 35m to 10h 15m Scheduled flight time 4,931 mi Nonstop distance Free To get started ## Istanbul to Seoul flight schedule Scheduled nonstop departures for IST to ICN starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Istanbul (IST) to Seoul (ICN) | Date | Flight | Airline | Departs IST | Arrives ICN | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | TK 90 | Turkish Airlines | 01:50 | 17:40 | 9h 50m | [Boeing 777-300ER](https://2lnr.com/seatmaps/tk/777-300er.md) | | Fri, Oct 23 | TK 20 | Turkish Airlines | 17:00 | 08:35 | 9h 35m | Boeing 777-300ER | | Fri, Oct 23 | OZ 552 | Asiana Airlines | 17:30 | 09:20 | 9h 50m | [Boeing 777-200LR](https://2lnr.com/seatmaps/oz/777-200lr.md) | | Fri, Oct 23 | KE 956 | Korean Air | 21:20 | 13:25 | 10h 5m | [Boeing 787-9 Dreamliner](https://2lnr.com/seatmaps/ke/787-9.md) | | Sat, Oct 24 | TK 90 | Turkish Airlines | 01:50 | 17:40 | 9h 50m | Boeing 777-300ER | | Sat, Oct 24 | OZ 552 | Asiana Airlines | 17:30 | 09:25 | 9h 55m | Boeing 777-200LR | | Sat, Oct 24 | KE 956 | Korean Air | 21:20 | 13:35 | 10h 15m | Boeing 787-9 Dreamliner | | Sun, Oct 25 | TK 90 | Turkish Airlines | 01:50 | 17:40 | 9h 50m | Boeing 777-300ER | | Sun, Oct 25 | TK 20 | Turkish Airlines | 17:05 | 08:55 | 9h 50m | Boeing 777-300ER | | Sun, Oct 25 | KE 956 | Korean Air | 21:55 | 13:55 | 10h | Boeing 787-9 Dreamliner | | Mon, Oct 26 | TK 90 | Turkish Airlines | 02:20 | 18:20 | 10h | Boeing 777-300ER | | Mon, Oct 26 | KE 956 | Korean Air | 21:45 | 13:55 | 10h 10m | Boeing 787-9 Dreamliner | | Tue, Oct 27 | TK 90 | Turkish Airlines | 02:20 | 18:20 | 10h | Boeing 777-300ER | | Tue, Oct 27 | TK 20 | Turkish Airlines | 17:05 | 08:55 | 9h 50m | Boeing 777-300ER | | Tue, Oct 27 | OZ 552 | Asiana Airlines | 21:55 | 13:55 | 10h | Boeing 777-200LR | | Wed, Oct 28 | TK 90 | Turkish Airlines | 02:20 | 18:20 | 10h | Boeing 777-300ER | | Wed, Oct 28 | KE 956 | Korean Air | 21:45 | 13:55 | 10h 10m | Boeing 787-9 Dreamliner | | Thu, Oct 29 | TK 90 | Turkish Airlines | 02:20 | 18:20 | 10h | Boeing 777-300ER | | Thu, Oct 29 | TK 20 | Turkish Airlines | 17:05 | 08:55 | 9h 50m | Boeing 777-300ER | | Thu, Oct 29 | OZ 552 | Asiana Airlines | 17:20 | 09:35 | 10h 15m | Boeing 777-200LR | Showing all 20 scheduled IST to ICN departures across 7 days with service, starting October 23, 2026. 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 hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every IST to ICN date on the interactive map ## Aircraft on the Istanbul to Seoul nonstop In the schedule table on this page, Turkish Airlines flies the [Boeing 777-300ER](https://2lnr.com/seatmaps/tk/777-300er.md). Korean Air flies the [Boeing 787-9 Dreamliner](https://2lnr.com/seatmaps/ke/787-9.md). Asiana Airlines flies the [Boeing 777-200LR](https://2lnr.com/seatmaps/oz/777-200lr.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## 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. Turkish Airlines award space was open on none of the 14 Istanbul to Seoul departure dates from October 19 to November 1 that 2LNR checked in the 7 days to October 19, 2026. ### See real availability Award seats by date on the IST to ICN departures 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're 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. Where 2LNR tracks the carrier, its departures show award space by date. - [Turkish Airlines (TK) route map](https://2lnr.com/routes/airlines/tk.md)\ [The aircraft TK flies](https://2lnr.com/seatmaps/tk.md) - [Korean Air (KE) route map](https://2lnr.com/routes/airlines/ke.md)\ [The aircraft KE flies](https://2lnr.com/seatmaps/ke.md) - [Asiana Airlines (OZ) route map](https://2lnr.com/routes/airlines/oz.md)\ [The aircraft OZ flies](https://2lnr.com/seatmaps/oz.md) See IST to ICN on the interactive map → ## Frequently asked questions about IST to ICN **How long is the flight from Istanbul (IST) to Seoul (ICN)?** Scheduled flight times from Istanbul (IST) to Seoul (ICN) run from 9h 35m to 10h 15m across the departures in the schedule table on this page. The nonstop covers about 4,931 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from IST to ICN?** Turkish Airlines, Korean Air, and Asiana Airlines fly IST to ICN nonstop. 2LNR tracks award seats on Turkish Airlines. **How many flights a week are there from IST to ICN?** About 19 nonstop flights a week run between Istanbul (IST) and Seoul (ICN) 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 21:55, local time at Istanbul. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate IST to ICN nonstop?** In the schedule table on this page, IST to ICN nonstops fly as TK 20 and TK 90 on Turkish Airlines; KE 956 on Korean Air; and OZ 552 on Asiana Airlines. The table lists each departure by date with its times and aircraft. **How do I check 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. Flying the other way? See [ICN to IST nonstop flights and award space](https://2lnr.com/routes/icn-ist.md). Award seats rather than schedules? See [Turkish Airlines award availability](https://2lnr.com/awards/tk.md). Looking beyond this route? See [every route from Istanbul (IST)](https://2lnr.com/routes/ist.md), or [every route from Seoul (ICN)](https://2lnr.com/routes/icn.md). - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## See IST to ICN award space by date See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)