Houston (IAH) to Istanbul (IST) flights
One airline flies nonstop from Houston (IAH) to Istanbul (IST): Turkish Airlines. The two airports are 6,358 miles (10,232 km) apart. Turkish Airlines is in Star Alliance. There are also 30 ways to fly it with one stop, through Toronto, Amsterdam and Detroit and more.
Airlines flying nonstop from IAH to IST
- Turkish AirlinesStar Alliance · bookable with 11 programsWho books it
Book IAH 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
IAH to IST with one stop
30 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Toronto (YYZ)Air Canada and United Airlines, then Turkish Airlines and Air Transat
- Via Amsterdam (AMS)KLM the whole way
- Via Detroit (DTW)Delta Air Lines, United Airlines and 1 more, then Turkish Airlines
- Via Montreal (YUL)Air Canada, then Turkish Airlines and Air Transat
- Via Frankfurt (FRA)Lufthansa the whole way
- Via Munich (MUC)United Airlines, then Turkish Airlines and Lufthansa
- Via London (LHR)British Airways the whole way
- Via Chicago (ORD)American Airlines, United Airlines and 1 more, then Turkish Airlines
- Via Paris (CDG)Air France the whole way
- Via Boston (BOS)United Airlines and JetBlue Airways, then Turkish Airlines
- Via New York (EWR)United Airlines, then Turkish Airlines
- Via Dulles (IAD)United Airlines, then Turkish Airlines
- Via New York (JFK)JetBlue Airways, then Turkish Airlines
- Via Atlanta (ATL)Delta Air Lines, United Airlines and 1 more, then Turkish Airlines
- Via Dallas (DFW)American Airlines and United Airlines, then Turkish Airlines
IAH to IST: common questions
Which airlines fly nonstop from IAH to IST?
Turkish Airlines (Star Alliance) flies nonstop from Houston (IAH) to Istanbul (IST).
How far is Houston from Istanbul by plane?
Houston (IAH) and Istanbul (IST) 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 IAH 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 IAH 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 IAH to IST with taxes and fees.
Where can I connect between Houston and Istanbul?
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.