Seattle (SEA) to Istanbul (IST) flights
One airline flies nonstop from Seattle (SEA) to Istanbul (IST): Turkish Airlines. The two airports are 6,057 miles (9,747 km) apart. Turkish Airlines is in Star Alliance. There are also 37 ways to fly it with one stop, through Copenhagen, Vancouver and Helsinki and more.
Airlines flying nonstop from SEA to IST
- Turkish AirlinesStar Alliance · bookable with 11 programsWho books it
Book SEA to IST with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks Turkish Airlines
- Air New Zealand AirpointsBooks Turkish Airlines
- ANA Mileage ClubBooks Turkish Airlines
- Avianca LifeMilesBooks Turkish Airlines
- EVA Air Infinity MileageLandsBooks Turkish Airlines
- Lufthansa Miles & MoreBooks Turkish Airlines
- Singapore Airlines KrisFlyerBooks Turkish Airlines
- TAP Miles&GoBooks Turkish Airlines
- Thai Royal Orchid PlusBooks Turkish Airlines
- Turkish Airlines Miles&SmilesBooks Turkish Airlines
- United MileagePlusBooks Turkish Airlines
SEA to IST with one stop
37 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Copenhagen (CPH)Scandinavian Airlines, then Turkish Airlines
- Via Vancouver (YVR)Air Canada, Alaska Airlines and 1 more, then Turkish Airlines
- Via Helsinki (HEL)Finnair, then Turkish Airlines
- Via Amsterdam (AMS)Delta Air Lines, then KLM and Turkish Airlines
- Via Munich (MUC)Lufthansa the whole way
- Via Frankfurt (FRA)Lufthansa the whole way
- Via London (LHR)British Airways the whole way
+1 - Via Dublin (DUB)Aer Lingus, then Turkish Airlines
- Via Paris (CDG)Air France the whole way
- Via Athens (ATH)Alaska Airlines, then Aegean Airlines, Turkish Airlines and 1 more
GQ - Via Rome (FCO)Delta Air Lines and Alaska Airlines, then Turkish Airlines
- Via Barcelona (BCN)Delta Air Lines, then Turkish Airlines and Vueling
- Via Montreal (YUL)Air Canada, then Turkish Airlines and Air Transat
- Via Toronto (YYZ)Air Canada and Alaska Airlines, then Turkish Airlines and Air Transat
- Via Denver (DEN)Alaska Airlines, Delta Air Lines and 4 more, then Turkish Airlines+3
SEA to IST: common questions
Which airlines fly nonstop from SEA to IST?
Turkish Airlines (Star Alliance) flies nonstop from Seattle (SEA) to Istanbul (IST).
How far is Seattle from Istanbul by plane?
Seattle (SEA) and Istanbul (IST) are 6,057 miles (9,747 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book SEA to IST award flights?
11 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, EVA Air Infinity MileageLands, Lufthansa Miles & More, Singapore Airlines KrisFlyer, TAP Miles&Go and 3 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does SEA to IST cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SEA to IST with taxes and fees.
Where can I connect between Seattle and Istanbul?
The most direct connections are through Copenhagen (CPH), Vancouver (YVR), Helsinki (HEL), Amsterdam (AMS) and Munich (MUC). On 8 of them the same airline flies both flights, for example Lufthansa through Munich.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.