Need help booking?
Unpublished phone-only deals available
IST to IAH: distance & flight time
Istanbul (Istanbul Airport) → Houston (George Bush Intercontinental Houston Airport)
6,358 mi
10,232 km · 5,525 nm
12h 56m
estimated nonstop flight time
-8h
time difference · heading northwest
See live IST→IAH fares Phone-only fares on this route — call free
Flight time details
6,358 miles nonstop takes roughly 12h 56m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- IST — Istanbul Airport · Istanbul, Turkey
- IAH — George Bush Intercontinental Houston Airport · Houston, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near IST
- ISL · Atatürk International Airport21 mi away
- SAW · Sabiha Gökçen International Airport39 mi away
- TEQ · Tekirdağ Çorlu Airport44 mi away
- BTZ · Bursa Airport73 mi away
Near IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
Frequently asked questions
How far is IST from IAH?
The flight distance from Istanbul (IST) to Houston (IAH) is 6,358 miles (10,232 km, 5,525 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IST to IAH?
A nonstop flight takes about 12h 56m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Istanbul and Houston?
Houston is 8 hours behind Istanbul.
What is the cheapest way to fly from IST to IAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IST–IAH that never appear on search engines, with no booking fees.