Dulles (IAD) to Istanbul (IST) flights
One airline flies nonstop from Dulles (IAD) to Istanbul (IST): Turkish Airlines. The two airports are 5,211 miles (8,387 km) apart. Turkish Airlines is in Star Alliance. There are also 50 ways to fly it with one stop, through Frankfurt, Dublin and New York and more.
Airlines flying nonstop from IAD to IST
- Turkish AirlinesStar Alliance · bookable with 11 programsWho books it

Book IAD 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
IAD to IST with one stop
50 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Frankfurt (FRA)Lufthansa the whole way




- Via Dublin (DUB)Aer Lingus and United Airlines, then Turkish Airlines



- Via New York (EWR)United Airlines, then Turkish Airlines


- Via Brussels (BRU)Brussels Airlines and United Airlines, then Turkish Airlines



- Via Vienna (VIE)Austrian Airlines, then Turkish Airlines


- Via Boston (BOS)United Airlines, then Turkish Airlines


- Via Munich (MUC)Lufthansa the whole way




- Via London (LHR)British Airways the whole way





- Via Amsterdam (AMS)KLM the whole way




- Via New York (JFK)Delta Air Lines, then Turkish Airlines


- Via Edinburgh (EDI)United Airlines, then Turkish Airlines


- Via Paris (CDG)Air France the whole way




- Via Zurich (ZRH)United Airlines and SWISS, then Turkish Airlines



- Via Venice (VCE)United Airlines, then Turkish Airlines


- Via Geneva (GVA)United Airlines, then Turkish Airlines


IAD to IST: common questions
Which airlines fly nonstop from IAD to IST?
Turkish Airlines (Star Alliance) flies nonstop from Dulles (IAD) to Istanbul (IST).
How far is Dulles from Istanbul by plane?
Dulles (IAD) and Istanbul (IST) are 5,211 miles (8,387 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book IAD 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 IAD 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 IAD to IST with taxes and fees.
Where can I connect between Dulles and Istanbul?
The most direct connections are through Frankfurt (FRA), Dublin (DUB), New York (EWR), Brussels (BRU) and Vienna (VIE). On 14 of them the same airline flies both flights, for example Lufthansa through Frankfurt.
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.