--- title: "Kastamonu (KFS) to Istanbul (IST) flights: who flies it" description: "Turkish Airlines flies nonstop from KFS to IST, about 3 flights a week as TK 2739, scheduled at 1h 20m to 1h 30m. See award seats by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/kfs-ist" url: "https://2lnr.com/routes/kfs-ist.md" date_modified: "2026-10-18T05:10:47Z" --- # Kastamonu to Istanbul (KFS-IST): nonstop flights and award space Turkish Airlines flies nonstop from Kastamonu (KFS) to Istanbul (IST) just three times a week. In the timetable below it flies as TK 2739, scheduled at 1h 20m to 1h 30m for the 259 miles. 2LNR tracks award seats on Turkish Airlines across every KFS 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 KFS to IST on the interactive map [Get started free](https://2lnr.com/login) 3 Flights a week, 4-week average 1h 20m to 1h 30m Scheduled flight time 259 mi Nonstop distance Free To get started ## Kastamonu to Istanbul flight schedule Scheduled nonstop departures for KFS to IST starting October 22, 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 Kastamonu (KFS) to Istanbul (IST) | Date | Flight | Airline | Departs KFS | Arrives IST | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | TK 2739 | Turkish Airlines | 21:25 | 22:45 | 1h 20m | [Airbus A319](https://2lnr.com/seatmaps/tk/a319.md) | | Sun, Oct 25 | TK 2739 | Turkish Airlines | 16:05 | 17:35 | 1h 30m | Airbus A319 | | Wed, Oct 28 | TK 2739 | Turkish Airlines | 16:05 | 17:35 | 1h 30m | Airbus A319 | | Fri, Oct 30 | TK 2739 | Turkish Airlines | 16:05 | 17:35 | 1h 30m | [Airbus A320](https://2lnr.com/seatmaps/tk/a320.md) | | Sun, Nov 1 | TK 2739 | Turkish Airlines | 16:05 | 17:35 | 1h 30m | Airbus A320 | | Wed, Nov 4 | TK 2739 | Turkish Airlines | 16:05 | 17:35 | 1h 30m | Airbus A319 | | Fri, Nov 6 | TK 2739 | Turkish Airlines | 16:05 | 17:35 | 1h 30m | Airbus A319 | Showing all 7 scheduled KFS to IST departures across 7 days with service, starting October 22, 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 KFS to IST date on the interactive map ## Aircraft on the Kastamonu to Istanbul nonstop Turkish Airlines flies the departures in the schedule table on this page with the [Airbus A319](https://2lnr.com/seatmaps/tk/a319.md) and the [Airbus A320](https://2lnr.com/seatmaps/tk/a320.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Award seats on KFS to IST departures 2LNR tracks award seats on Turkish Airlines, date by date. Open the calendar for Kastamonu 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 6 Kastamonu 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 KFS 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 KFS to IST on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Kastamonu to Istanbul nonstop Carriers operating KFS 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) See KFS to IST on the interactive map → ## Frequently asked questions about KFS to IST **How long is the flight from Kastamonu (KFS) to Istanbul (IST)?** Scheduled flight times from Kastamonu (KFS) to Istanbul (IST) run from 1h 20m to 1h 30m across the departures in the schedule table on this page. The nonstop covers about 259 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from KFS to IST?** Turkish Airlines is currently the only airline flying KFS to IST nonstop. 2LNR tracks award seats on Turkish Airlines. **How often does KFS to IST operate?** The KFS to IST nonstop currently runs three times a week, on Turkish Airlines. Thin schedules like this change by season, and on Pro an alert will catch anything added. **What time do flights from KFS to IST depart?** Scheduled KFS to IST nonstops in the next 7 days with service leave between 16:05 and 21:25, local time at Kastamonu. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate KFS to IST nonstop?** Turkish Airlines flies TK 2739 nonstop from Kastamonu (KFS) to Istanbul (IST), the only flight number in the schedule table on this page. The table lists each date with its departure and arrival times and aircraft. **How do I check award availability on KFS to IST?** Open the KFS 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 KFS nonstop flights and award space](https://2lnr.com/routes/ist-kfs.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 Kastamonu (KFS)](https://2lnr.com/routes/kfs.md), or [every route from Istanbul (IST)](https://2lnr.com/routes/ist.md). Nonstops to Istanbul (IST) from other airports within 150 miles of Kastamonu (KFS): - [Sinop (NOP) to Istanbul (IST)](https://2lnr.com/routes/nop-ist.md), 82 miles from KFS - [Zonguldak (ONQ) to Istanbul (IST)](https://2lnr.com/routes/onq-ist.md), 90 miles from KFS - [Ankara (ESB) to Istanbul (IST)](https://2lnr.com/routes/esb-ist.md), 92 miles from KFS - [Amasya (MZH) to Istanbul (IST)](https://2lnr.com/routes/mzh-ist.md), 95 miles from KFS - [Samsun (SZF) to Istanbul (IST)](https://2lnr.com/routes/szf-ist.md), 143 miles from KFS Distances are great-circle between the airports, not driving distance. - [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 KFS 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)