--- title: "Sofia (SOF) to Istanbul (IST) flights: who flies it" description: "Turkish Airlines and Corendon Airlines fly nonstop from SOF to IST, about 23 flights a week, covering 303 miles. See award seats by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/sof-ist" url: "https://2lnr.com/routes/sof-ist.md" date_modified: "2026-10-18T05:10:47Z" --- # Sofia to Istanbul (SOF-IST): nonstop flights and award space Turkish Airlines and Corendon Airlines fly nonstop between Sofia (SOF) and Istanbul (IST), roughly 23 times a week. The timetable below shows the nonstop scheduled at 1h 15m to 1h 30m for the 303 miles. 2LNR tracks award seats on Turkish Airlines across every SOF 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 SOF to IST on the interactive map [Get started free](https://2lnr.com/login) 23 Flights a week, 4-week average 1h 15m to 1h 30m Scheduled flight time 303 mi Nonstop distance Free To get started ## Sofia to Istanbul flight schedule Scheduled nonstop departures for SOF 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 Sofia (SOF) to Istanbul (IST) | Date | Flight | Airline | Departs SOF | Arrives IST | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | TK 1028 | Turkish Airlines | 09:35 | 11:05 | 1h 30m | [Airbus A321](https://2lnr.com/seatmaps/tk/a321.md) | | Fri, Oct 23 | TK 1128 | Turkish Airlines | 12:35 | 14:05 | 1h 30m | [Airbus A321neo family](https://2lnr.com/seatmaps/tk/a321neo.md) | | Fri, Oct 23 | TK 1032 | Turkish Airlines | 15:50 | 17:20 | 1h 30m | Airbus A321 | | Fri, Oct 23 | TK 1030 | Turkish Airlines | 21:10 | 22:40 | 1h 30m | Airbus A321neo family | | Sat, Oct 24 | TK 1028 | Turkish Airlines | 09:35 | 11:05 | 1h 30m | Airbus A321neo family | | Sat, Oct 24 | TK 1032 | Turkish Airlines | 15:50 | 17:20 | 1h 30m | Airbus A321 | | Sat, Oct 24 | TK 1030 | Turkish Airlines | 21:10 | 22:40 | 1h 30m | [Boeing 737 MAX 8](https://2lnr.com/seatmaps/tk/737-max-8.md) | | Sun, Oct 25 | TK 1028 | Turkish Airlines | 09:30 | 12:00 | 1h 30m | Airbus A321 | | Sun, Oct 25 | TK 1128 | Turkish Airlines | 11:55 | 14:20 | 1h 25m | [Boeing 737-800](https://2lnr.com/seatmaps/tk/737-800.md) | | Sun, Oct 25 | TK 1032 | Turkish Airlines | 16:00 | 18:30 | 1h 30m | Airbus A321 | | Sun, Oct 25 | TK 1030 | Turkish Airlines | 21:40 | 00:10 | 1h 30m | Airbus A321 | | Mon, Oct 26 | TK 1028 | Turkish Airlines | 09:30 | 12:00 | 1h 30m | Airbus A321 | | Mon, Oct 26 | TK 1032 | Turkish Airlines | 16:00 | 18:30 | 1h 30m | Airbus A321 | | Mon, Oct 26 | TK 1030 | Turkish Airlines | 21:40 | 00:10 | 1h 30m | Airbus A321 | | Tue, Oct 27 | TK 1028 | Turkish Airlines | 09:30 | 12:00 | 1h 30m | Airbus A321neo family | | Tue, Oct 27 | TK 1032 | Turkish Airlines | 16:00 | 18:30 | 1h 30m | Airbus A321 | | Tue, Oct 27 | TK 1030 | Turkish Airlines | 21:40 | 00:10 | 1h 30m | Airbus A321 | | Wed, Oct 28 | TK 1028 | Turkish Airlines | 09:30 | 12:00 | 1h 30m | Airbus A321neo family | | Wed, Oct 28 | TK 1032 | Turkish Airlines | 16:00 | 18:30 | 1h 30m | Airbus A321 | | Wed, Oct 28 | TK 1030 | Turkish Airlines | 21:40 | 00:10 | 1h 30m | Airbus A321 | | Thu, Oct 29 | TK 1028 | Turkish Airlines | 09:30 | 12:00 | 1h 30m | Airbus A321neo family | | Thu, Oct 29 | XC 9852 | Corendon Airlines | 10:00 | 12:15 | 1h 15m | Boeing 737-800 | | Thu, Oct 29 | TK 1032 | Turkish Airlines | 16:00 | 18:30 | 1h 30m | Boeing 737-800 | | Thu, Oct 29 | TK 1030 | Turkish Airlines | 21:40 | 00:10 | 1h 30m | Airbus A321 | Showing all 24 scheduled SOF 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 SOF to IST date on the interactive map ## Aircraft on the Sofia to Istanbul nonstop In the schedule table on this page, Turkish Airlines flies the [Airbus A321](https://2lnr.com/seatmaps/tk/a321.md), the [Airbus A321neo family](https://2lnr.com/seatmaps/tk/a321neo.md), the [Boeing 737-800](https://2lnr.com/seatmaps/tk/737-800.md), and the [Boeing 737 MAX 8](https://2lnr.com/seatmaps/tk/737-max-8.md), and Corendon Airlines flies the Boeing 737-800. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Award seats on SOF to IST departures 2LNR tracks award seats on Turkish Airlines, date by date. Open the calendar for Sofia 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 5 of the 14 Sofia 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 SOF 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 SOF to IST on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Sofia to Istanbul nonstop Carriers operating SOF 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) - [Corendon Airlines (XC) route map](https://2lnr.com/routes/airlines/xc.md)\ [The aircraft XC flies](https://2lnr.com/seatmaps/xc.md) See SOF to IST on the interactive map → ## Frequently asked questions about SOF to IST **How long is the flight from Sofia (SOF) to Istanbul (IST)?** Scheduled flight times from Sofia (SOF) to Istanbul (IST) run from 1h 15m to 1h 30m across the departures in the schedule table on this page. The nonstop covers about 303 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from SOF to IST?** Turkish Airlines and Corendon Airlines fly SOF to IST nonstop. 2LNR tracks award seats on Turkish Airlines. **How many flights a week are there from SOF to IST?** About 23 nonstop flights a week run between Sofia (SOF) and Istanbul (IST) in the current schedule, operated by Turkish Airlines and Corendon Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from SOF to IST depart?** Scheduled SOF to IST nonstops in the next 7 days with service leave between 09:30 and 21:40, local time at Sofia. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate SOF to IST nonstop?** In the schedule table on this page, SOF to IST nonstops fly as TK 1028, TK 1030, TK 1032, and TK 1128 on Turkish Airlines, and XC 9852 on Corendon Airlines. The table lists each departure by date with its times and aircraft. **How do I check award availability on SOF to IST?** Open the SOF 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 SOF nonstop flights and award space](https://2lnr.com/routes/ist-sof.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 Sofia (SOF)](https://2lnr.com/routes/sof.md), or [every route from Istanbul (IST)](https://2lnr.com/routes/ist.md). Nonstops to Istanbul (IST) from other airports within 150 miles of Sofia (SOF): - [Nis (INI) to Istanbul (IST)](https://2lnr.com/routes/ini-ist.md), 90 miles from SOF - [Petrovec (SKP) to Istanbul (IST)](https://2lnr.com/routes/skp-ist.md), 105 miles from SOF - [Glanica (PRN) to Istanbul (IST)](https://2lnr.com/routes/prn-ist.md), 121 miles from SOF Nonstops from Sofia (SOF) to other airports within 150 miles of Istanbul (IST): - [Sofia (SOF) to Istanbul (SAW)](https://2lnr.com/routes/sof-saw.md), 26 miles from IST - [Sofia (SOF) to Burgas (BOJ)](https://2lnr.com/routes/sof-boj.md), 127 miles from IST 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 SOF 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. 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