--- title: "Istanbul (IST) to Seattle (SEA) flights: who flies it" description: "Turkish Airlines flies nonstop from IST to SEA, about 7 flights a week as TK 203, scheduled at 12h 20m to 12h 35m. See award seats by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/ist-sea" url: "https://2lnr.com/routes/ist-sea.md" date_modified: "2026-10-18T05:10:47Z" --- # Istanbul to Seattle (IST-SEA): nonstop flights and award space Turkish Airlines flies the IST to SEA nonstop about 7 times a week. In the timetable below it flies as TK 203, scheduled at 12h 20m to 12h 35m for the 6,075 miles. 2LNR tracks award seats on Turkish Airlines across every IST to SEA 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 IST to SEA on the interactive map [Get started free](https://2lnr.com/login) 7 Flights a week, 4-week average 12h 20m to 12h 35m Scheduled flight time 6,075 mi Nonstop distance Free To get started ## Istanbul to Seattle flight schedule Scheduled nonstop departures for IST to SEA 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 Seattle (SEA) | Date | Flight | Airline | Departs IST | Arrives SEA | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | TK 203 | Turkish Airlines | 15:00 | 17:20 | 12h 20m | [Airbus A350-900](https://2lnr.com/seatmaps/tk/a350-900.md) | | Sat, Oct 24 | TK 203 | Turkish Airlines | 15:00 | 17:20 | 12h 20m | Airbus A350-900 | | Sun, Oct 25 | TK 203 | Turkish Airlines | 15:35 | 18:10 | 12h 35m | Airbus A350-900 | | Mon, Oct 26 | TK 203 | Turkish Airlines | 15:35 | 18:10 | 12h 35m | Airbus A350-900 | | Tue, Oct 27 | TK 203 | Turkish Airlines | 15:35 | 18:10 | 12h 35m | Airbus A350-900 | | Wed, Oct 28 | TK 203 | Turkish Airlines | 15:35 | 18:10 | 12h 35m | Airbus A350-900 | | Thu, Oct 29 | TK 203 | Turkish Airlines | 15:35 | 18:10 | 12h 35m | Airbus A350-900 | Showing all 7 scheduled IST to SEA 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 SEA date on the interactive map ## Aircraft on the Istanbul to Seattle nonstop Turkish Airlines flies the [Airbus A350-900](https://2lnr.com/seatmaps/tk/a350-900.md) on every departure in the schedule table on this page. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Award seats on IST to SEA departures 2LNR tracks award seats on Turkish Airlines, date by date. Open the calendar for Istanbul to Seattle 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 Seattle 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 SEA 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 SEA on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Istanbul to Seattle nonstop Carriers operating IST to SEA 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 IST to SEA on the interactive map → ## Frequently asked questions about IST to SEA **How long is the flight from Istanbul (IST) to Seattle (SEA)?** Scheduled flight times from Istanbul (IST) to Seattle (SEA) run from 12h 20m to 12h 35m across the departures in the schedule table on this page. The nonstop covers about 6,075 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from IST to SEA?** Turkish Airlines is currently the only airline flying IST to SEA nonstop. 2LNR tracks award seats on Turkish Airlines. **How many flights a week are there from IST to SEA?** About 7 nonstop flights a week run between Istanbul (IST) and Seattle (SEA) 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 IST to SEA depart?** Scheduled IST to SEA nonstops in the next 7 days with service leave between 15:00 and 15:35, 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 SEA nonstop?** Turkish Airlines flies TK 203 nonstop from Istanbul (IST) to Seattle (SEA), 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 IST to SEA?** Open the IST to SEA 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 [SEA to IST nonstop flights and award space](https://2lnr.com/routes/sea-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 Seattle (SEA)](https://2lnr.com/routes/sea.md). Nonstops from Istanbul (IST) to other airports within 150 miles of Seattle (SEA): - [Istanbul (IST) to Vancouver (YVR)](https://2lnr.com/routes/ist-yvr.md), 127 miles from SEA 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 IST to SEA 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)