--- title: "Seoul (ICN) to Istanbul (IST) flights: who flies it" description: "Turkish Airlines, Asiana Airlines and Korean Air fly nonstop from ICN to IST, about 18 flights a week. See award seats by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/icn-ist" url: "https://2lnr.com/routes/icn-ist.md" date_modified: "2026-10-18T05:10:47Z" --- # Seoul to Istanbul (ICN-IST): nonstop flights and award space Turkish Airlines, Asiana Airlines, and Korean Air fly nonstop between Seoul (ICN) and Istanbul (IST), roughly 18 times a week. The timetable below shows the nonstop scheduled at 11h 30m to 12h 10m for the 4,931 miles. 2LNR tracks award seats on Turkish Airlines across every ICN to IST 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 23, 2026. See ICN to IST on the interactive map [Get started free](https://2lnr.com/login) 18 Flights a week, 4-week average 11h 30m to 12h 10m Scheduled flight time 4,931 mi Nonstop distance Free To get started ## Seoul to Istanbul flight schedule Scheduled nonstop departures for ICN to IST 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 Seoul (ICN) to Istanbul (IST) | Date | Flight | Airline | Departs ICN | Arrives IST | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | TK 21 | Turkish Airlines | 10:15 | 15:45 | 11h 30m | [Boeing 777-300ER](https://2lnr.com/seatmaps/tk/777-300er.md) | | Fri, Oct 23 | OZ 551 | Asiana Airlines | 10:25 | 16:10 | 11h 45m | [Boeing 777-200LR](https://2lnr.com/seatmaps/oz/777-200lr.md) | | Fri, Oct 23 | KE 955 | Korean Air | 13:40 | 19:40 | 12h | [Boeing 787-9 Dreamliner](https://2lnr.com/seatmaps/ke/787-9.md) | | Fri, Oct 23 | TK 91 | Turkish Airlines | 23:20 | 05:00 | 11h 40m | Boeing 777-300ER | | Sat, Oct 24 | TK 21 | Turkish Airlines | 10:15 | 15:45 | 11h 30m | Boeing 777-300ER | | Sat, Oct 24 | OZ 551 | Asiana Airlines | 10:25 | 16:10 | 11h 45m | Boeing 777-200LR | | Sat, Oct 24 | KE 955 | Korean Air | 13:40 | 19:40 | 12h | Boeing 787-9 Dreamliner | | Sat, Oct 24 | TK 91 | Turkish Airlines | 23:20 | 05:00 | 11h 40m | Boeing 777-300ER | | Sun, Oct 25 | KE 955 | Korean Air | 13:55 | 20:05 | 12h 10m | Boeing 787-9 Dreamliner | | Mon, Oct 26 | TK 91 | Turkish Airlines | 00:05 | 05:55 | 11h 50m | Boeing 777-300ER | | Mon, Oct 26 | TK 21 | Turkish Airlines | 10:40 | 16:40 | 12h | Boeing 777-300ER | | Mon, Oct 26 | KE 955 | Korean Air | 13:55 | 20:05 | 12h 10m | Boeing 787-9 Dreamliner | | Tue, Oct 27 | TK 91 | Turkish Airlines | 00:05 | 05:55 | 11h 50m | Boeing 777-300ER | | Tue, Oct 27 | OZ 551 | Asiana Airlines | 13:55 | 20:05 | 12h 10m | Boeing 777-200LR | | Wed, Oct 28 | TK 91 | Turkish Airlines | 00:05 | 05:55 | 11h 50m | Boeing 777-300ER | | Wed, Oct 28 | TK 21 | Turkish Airlines | 10:40 | 16:40 | 12h | Boeing 777-300ER | | Wed, Oct 28 | KE 955 | Korean Air | 13:55 | 20:05 | 12h 10m | Boeing 787-9 Dreamliner | | Thu, Oct 29 | TK 91 | Turkish Airlines | 00:05 | 05:55 | 11h 50m | Boeing 777-300ER | | Thu, Oct 29 | OZ 551 | Asiana Airlines | 09:35 | 15:40 | 12h 5m | Boeing 777-200LR | Showing all 19 scheduled ICN to IST 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 ICN to IST date on the interactive map ## Aircraft on the Seoul to Istanbul 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 ICN to IST departures 2LNR tracks award seats on Turkish Airlines, date by date. Open the calendar for Seoul to Istanbul 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 13 Seoul to Istanbul 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 ICN to IST 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 ICN to IST on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Seoul to Istanbul nonstop Carriers operating ICN to IST 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) - [Asiana Airlines (OZ) route map](https://2lnr.com/routes/airlines/oz.md)\ [The aircraft OZ flies](https://2lnr.com/seatmaps/oz.md) - [Korean Air (KE) route map](https://2lnr.com/routes/airlines/ke.md)\ [The aircraft KE flies](https://2lnr.com/seatmaps/ke.md) See ICN to IST on the interactive map → ## Frequently asked questions about ICN to IST **How long is the flight from Seoul (ICN) to Istanbul (IST)?** Scheduled flight times from Seoul (ICN) to Istanbul (IST) run from 11h 30m to 12h 10m 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 ICN to IST?** Turkish Airlines, Asiana Airlines, and Korean Air fly ICN to IST nonstop. 2LNR tracks award seats on Turkish Airlines. **How many flights a week are there from ICN to IST?** About 18 nonstop flights a week run between Seoul (ICN) and Istanbul (IST) in the current schedule, operated by Turkish Airlines, Asiana Airlines, and Korean Air. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from ICN to IST depart?** Scheduled ICN to IST nonstops in the next 7 days with service leave between 00:05 and 23:20, local time at Seoul. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate ICN to IST nonstop?** In the schedule table on this page, ICN to IST nonstops fly as TK 21 and TK 91 on Turkish Airlines; KE 955 on Korean Air; and OZ 551 on Asiana Airlines. The table lists each departure by date with its times and aircraft. **How do I check award availability on ICN to IST?** Open the ICN to IST 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 [IST to ICN nonstop flights and award space](https://2lnr.com/routes/ist-icn.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 Seoul (ICN)](https://2lnr.com/routes/icn.md), or [every route from Istanbul (IST)](https://2lnr.com/routes/ist.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 ICN to IST 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)