Turkey to United States · 6,358 miles (10,232 km)

Istanbul (IST) to Houston (IAH) flights

One airline flies nonstop from Istanbul (IST) to Houston (IAH): Turkish Airlines. The two airports are 6,358 miles (10,232 km) apart. Turkish Airlines is in Star Alliance. There are also 31 ways to fly it with one stop, through Toronto, Amsterdam and Detroit and more.

Airlines flying nonstop from IST to IAH

  • Turkish Airlines logo
    Turkish AirlinesStar Alliance · bookable with 11 programsWho books it

Book IST to IAH with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

IST to IAH with one stop

31 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Toronto (YYZ)Turkish Airlines and Air Transat, then Air Canada and United Airlines
    Turkish Airlines logo
    Air Transat logo
    Air Canada logo
    United Airlines logo
  • Via Amsterdam (AMS)KLM the whole way
    KLM logo
    Turkish Airlines logo
    KLM logo
    United Airlines logo
  • Via Detroit (DTW)Turkish Airlines, then Delta Air Lines, United Airlines and 1 more
    Turkish Airlines logo
    Delta Air Lines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Montreal (YUL)Turkish Airlines and Air Transat, then Air Canada
    Turkish Airlines logo
    Air Transat logo
    Air Canada logo
  • Via Frankfurt (FRA)Lufthansa the whole way
    Lufthansa logo
    Turkish Airlines logo
    Lufthansa logo
    United Airlines logo
  • Via Munich (MUC)Turkish Airlines and Lufthansa, then United Airlines
    Turkish Airlines logo
    Lufthansa logo
    United Airlines logo
  • Via London (LHR)British Airways the whole way
    British Airways logo
    Turkish Airlines logo
    British Airways logo
    United Airlines logo
  • Via Chicago (ORD)Turkish Airlines, then American Airlines, United Airlines and 1 more
    Turkish Airlines logo
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Paris (CDG)Air France the whole way
    Air France logo
    Turkish Airlines logo
    Air France logo
  • Via Boston (BOS)Turkish Airlines, then United Airlines and JetBlue Airways
    Turkish Airlines logo
    United Airlines logo
    JetBlue Airways logo
  • Via New York (EWR)Turkish Airlines, then United Airlines
    Turkish Airlines logo
    United Airlines logo
  • Via Dulles (IAD)Turkish Airlines, then United Airlines
    Turkish Airlines logo
    United Airlines logo
  • Via New York (JFK)Turkish Airlines, then JetBlue Airways
    Turkish Airlines logo
    JetBlue Airways logo
  • Via Atlanta (ATL)Turkish Airlines, then Delta Air Lines, United Airlines and 1 more
    Turkish Airlines logo
    Delta Air Lines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Dallas (DFW)Turkish Airlines, then American Airlines and United Airlines
    Turkish Airlines logo
    American Airlines logo
    United Airlines logo
See all 31 in Routes

IST to IAH: common questions

Which airlines fly nonstop from IST to IAH?

Turkish Airlines (Star Alliance) flies nonstop from Istanbul (IST) to Houston (IAH).

How far is Istanbul from Houston by plane?

Istanbul (IST) and Houston (IAH) are 6,358 miles (10,232 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book IST to IAH 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 IST to IAH cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IST to IAH with taxes and fees.

Where can I connect between Istanbul and Houston?

The most direct connections are through Toronto (YYZ), Amsterdam (AMS), Detroit (DTW), Montreal (YUL) and Frankfurt (FRA). On 7 of them the same airline flies both flights, for example KLM through Amsterdam.

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.