United States to Turkey · 5,211 miles (8,387 km)

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 Airlines logo
    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.

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
    Lufthansa logo
    United Airlines logo
    Lufthansa logo
    Turkish Airlines logo
  • Via Dublin (DUB)Aer Lingus and United Airlines, then Turkish Airlines
    Aer Lingus logo
    United Airlines logo
    Turkish Airlines logo
  • Via New York (EWR)United Airlines, then Turkish Airlines
    United Airlines logo
    Turkish Airlines logo
  • Via Brussels (BRU)Brussels Airlines and United Airlines, then Turkish Airlines
    Brussels Airlines logo
    United Airlines logo
    Turkish Airlines logo
  • Via Vienna (VIE)Austrian Airlines, then Turkish Airlines
    Austrian Airlines logo
    Turkish Airlines logo
  • Via Boston (BOS)United Airlines, then Turkish Airlines
    United Airlines logo
    Turkish Airlines logo
  • Via Munich (MUC)Lufthansa the whole way
    Lufthansa logo
    United Airlines logo
    Turkish Airlines logo
    Lufthansa logo
  • Via London (LHR)British Airways the whole way
    British Airways logo
    United Airlines logo
    Virgin Atlantic logo
    British Airways logo
    Turkish Airlines logo
  • Via Amsterdam (AMS)KLM the whole way
    KLM logo
    United Airlines logo
    KLM logo
    Turkish Airlines logo
  • Via New York (JFK)Delta Air Lines, then Turkish Airlines
    Delta Air Lines logo
    Turkish Airlines logo
  • Via Edinburgh (EDI)United Airlines, then Turkish Airlines
    United Airlines logo
    Turkish Airlines logo
  • Via Paris (CDG)Air France the whole way
    Air France logo
    United Airlines logo
    Air France logo
    Turkish Airlines logo
  • Via Zurich (ZRH)United Airlines and SWISS, then Turkish Airlines
    United Airlines logo
    SWISS logo
    Turkish Airlines logo
  • Via Venice (VCE)United Airlines, then Turkish Airlines
    United Airlines logo
    Turkish Airlines logo
  • Via Geneva (GVA)United Airlines, then Turkish Airlines
    United Airlines logo
    Turkish Airlines logo
See all 50 in Routes

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.