--- title: "Houston (IAH) to Istanbul (IST) flights: who flies it" description: "Turkish Airlines flies Houston (IAH) to Istanbul (IST) nonstop about 10 times a week, scheduled at 11h 50m to 12h. See award seats by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/iah-ist" url: "https://2lnr.com/routes/iah-ist.md" date_modified: "2026-10-18T05:10:47Z" --- # Houston to Istanbul (IAH-IST): nonstop flights and award space Turkish Airlines flies the IAH to IST nonstop about 10 times a week. In the timetable below it flies as TK 34 and TK 134, scheduled at 11h 50m to 12h for the 6,374 miles. 2LNR tracks award seats on Turkish Airlines across every IAH 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 IAH to IST on the interactive map [Get started free](https://2lnr.com/login) 10 Flights a week, 4-week average 11h 50m to 12h Scheduled flight time 6,374 mi Nonstop distance Free To get started ## Houston to Istanbul flight schedule Scheduled nonstop departures for IAH 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 Houston (IAH) to Istanbul (IST) | Date | Flight | Airline | Departs IAH | Arrives IST | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | TK 34 | Turkish Airlines | 21:15 | 17:10 | 11h 55m | [Boeing 787-9 Dreamliner](https://2lnr.com/seatmaps/tk/787-9.md) | | Fri, Oct 23 | TK 134 | Turkish Airlines | 14:30 | 10:25 | 11h 55m | Boeing 787-9 Dreamliner | | Fri, Oct 23 | TK 34 | Turkish Airlines | 21:15 | 17:10 | 11h 55m | [Boeing 777-300ER](https://2lnr.com/seatmaps/tk/777-300er.md) | | Sat, Oct 24 | TK 34 | Turkish Airlines | 22:00 | 18:00 | 12h | Boeing 787-9 Dreamliner | | Sun, Oct 25 | TK 34 | Turkish Airlines | 22:00 | 18:00 | 12h | Boeing 777-300ER | | Mon, Oct 26 | TK 34 | Turkish Airlines | 22:00 | 18:00 | 12h | Boeing 777-300ER | | Tue, Oct 27 | TK 134 | Turkish Airlines | 15:55 | 11:45 | 11h 50m | Boeing 787-9 Dreamliner | | Tue, Oct 27 | TK 34 | Turkish Airlines | 22:00 | 18:00 | 12h | Boeing 787-9 Dreamliner | | Wed, Oct 28 | TK 34 | Turkish Airlines | 22:00 | 18:00 | 12h | Boeing 777-300ER | Showing all 9 scheduled IAH 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 IAH to IST date on the interactive map ## Aircraft on the Houston to Istanbul nonstop Turkish Airlines flies the departures in the schedule table on this page with the [Boeing 787-9 Dreamliner](https://2lnr.com/seatmaps/tk/787-9.md) and the [Boeing 777-300ER](https://2lnr.com/seatmaps/tk/777-300er.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Award seats on IAH to IST departures 2LNR tracks award seats on Turkish Airlines, date by date. Open the calendar for Houston 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 8 of the 14 Houston 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 IAH 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 IAH to IST on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Houston to Istanbul nonstop Carriers operating IAH 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 IAH to IST on the interactive map → ## Frequently asked questions about IAH to IST **How long is the flight from Houston (IAH) to Istanbul (IST)?** Scheduled flight times from Houston (IAH) to Istanbul (IST) run from 11h 50m to 12h across the departures in the schedule table on this page. The nonstop covers about 6,374 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from IAH to IST?** Turkish Airlines is currently the only airline flying IAH to IST nonstop. 2LNR tracks award seats on Turkish Airlines. **How many flights a week are there from IAH to IST?** About 10 nonstop flights a week run between Houston (IAH) and Istanbul (IST) in the current schedule, operated by Turkish Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from IAH to IST depart?** Scheduled IAH to IST nonstops in the next 7 days with service leave between 14:30 and 22:00, local time at Houston. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate IAH to IST nonstop?** In the schedule table on this page, IAH to IST nonstops fly as TK 34 and TK 134 on Turkish Airlines. The table lists each departure by date with its times and aircraft. **How do I check award availability on IAH to IST?** Open the IAH 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 IAH nonstop flights and award space](https://2lnr.com/routes/ist-iah.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 Houston (IAH)](https://2lnr.com/routes/iah.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 IAH 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)