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Flights between Houston (IAH) and Istanbul (IST)

George Bush Intercontinental Houston Airport, United States ↔ Istanbul Airport, Turkey

A direct route between Houston and Istanbul appears in the OpenFlights route network.

This reflects historical scheduled service and may be out of date — it is not a live timetable.

Airlines that have operated this route include:

Turkish Airlines (TK)US
Distance
10,232 km
6,358 miles
Est. flight time
13h 17m
great-circle estimate
Time difference
~9h
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

Typical monthly temperatures in United States

Jan
4°
9/-1
70mm
Feb
6°
11/1
60mm
Mar
11°
16/6
75mm
Apr
17°
22/12
80mm
May
23°
28/18
95mm
Jun
28°
33/23
100mm
Jul
30°
35/25
95mm
Aug
29°
34/24
90mm
Sep
25°
30/20
80mm
Oct
18°
23/13
70mm
Nov
11°
16/6
70mm
Dec
5°
10/0
75mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Typical monthly temperatures in Turkey

Jan
9°
14/4
55mm
Feb
10°
15/5
50mm
Mar
14°
19/9
50mm
Apr
19°
24/14
45mm
May
24°
29/19
35mm
Jun
28°
33/23
20mm
Jul
31°
36/26
15mm
Aug
31°
36/26
15mm
Sep
27°
32/22
25mm
Oct
21°
26/16
50mm
Nov
15°
20/10
60mm
Dec
10°
15/5
65mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Travel advisories

United States: Normal precautions (UK FCDO) ↗Turkey: Caution — some areas (UK FCDO) ↗

Common questions

How far is Houston from Istanbul?

Houston (IAH) and Istanbul (IST) are around 10,232 km (6,358 miles) apart — an estimated 13h 17m by air. Distances and flight times are great-circle estimates.

Which airlines have operated the IAH–IST route?

Airlines recorded operating this route in the OpenFlights network include Turkish Airlines, US. This reflects historical scheduled service and may be out of date.

What is the time difference between Houston and Istanbul?

Time difference ~ 9 hours (varies with daylight-saving).

When is it warmest in Turkey?

Across Turkey, the warmest month on average is July, with mean temperatures around 31°C. These are country-level monthly climate normals, not airport-specific.

Are there travel advisories for United States and Turkey?

The UK FCDO currently rates United States as Normal precautions; The UK FCDO rates Turkey as Caution — some areas. Check the official sources before you travel.

Distances and flight times are great-circle estimates, not booked block times.