In terms of precipitation, rainfall in Istanbul Airport ranges from 10.0 - 100.0 inches per month. December is typically the wettest month, when rainfall can reach 100.0 mm. July is typically the driest time to visit Istanbul Airport when rainfall is around 10.0 mm.

If weather is an important factor for your trip to Istanbul Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What are the most reliable airlines from Houston George Bush Intcntl Airport to Istanbul Airport?

Before booking your flight to Istanbul Airport from Houston George Bush Intcntl Airport, check out the most reliable airlines to get you to your destination on time: Pakistan International Airlines (65%), Thai Airways (62%), IndiGo( 62%).

Can I find deals for flights from George Bush Intcntl to Istanbul that include hotel bookings?

Yes. In addition to deals on George Bush Intcntl to Istanbul flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from George Bush Intcntl to Istanbul?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Istanbul.

Can I find deals for business class flights from George Bush Intcntl to Istanbul?

Yes. Cheapflights offers flight deals from George Bush Intcntl to Istanbul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£261+ Cheap Flights from Houston George Bush Intcntl Airport to Istanbul Airport

Cheap flight deals from George Bush Intcntl to Istanbul

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Cheapest flights from George Bush Intcntl to Istanbul
Explore the most affordable flight options available from George Bush Intcntl to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 October 2026.

Tue 17/1119:10 -

1 stop13h 45m

Thu 26/1107:15 -

1 stop18h 35m

Deal found 20/10£599

Wed 2/1216:29 -

2 stops16h 26m

Wed 9/1207:15 -

1 stop18h 35m

Deal found 22/10£602

Wed 18/1115:25 -

1 stop16h 30m

Wed 25/1107:15 -

1 stop18h 35m

Deal found 21/10£604

Mon 23/1119:10 -

1 stop13h 45m

Mon 7/1218:00 -

1 stop28h 05m

Deal found 22/10£604

Sun 29/1119:10 -

1 stop13h 45m

Tue 8/1207:15 -

2 stops20h 24m

Deal found 20/10£606

Wed 18/1115:35 -

2 stops16h 20m

Thu 26/1107:15 -

1 stop18h 35m

Deal found 20/10£607

Wed 18/1115:35 -

2 stops16h 20m

Thu 26/1107:15 -

2 stops23h 35m

Deal found 20/10£615

Sun 29/1116:10 -

1 stop21h 35m

Thu 10/1206:30 -

1 stop16h 30m

Deal found 20/10£617

Mon 30/1121:40 -

1 stop35h 10m

Wed 9/1215:00 -

1 stop32h 05m

Deal found 20/10£619

Tue 24/1114:33 -

2 stops23h 12m

Tue 15/1206:30 -

1 stop16h 30m

Deal found 25/10£620

Tue 24/1121:40 -

1 stop18h 25m

Mon 14/1208:25 -

1 stop38h 40m

Deal found 25/10£627

Find flight deals from George Bush Intcntl to Istanbul

Round-trip from	£575
One-way from	£261
Popular in	June
Cheapest in	March
Average price	£720

British Airways
8/3-16/3
3 total stops
42h 42m total
Houston to Istanbul

Search Deals

United Airlines
9/2-31/12
1 total stop
14h 20m total
Houston to Istanbul

Search Deals

Highest demand for flights based on searches. 22% potential increase in price (£172 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Istanbul Airport that are best for you.

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Cheapest return flight

HoustonIstanbul

IAH Houston George Bush Intcntl - IST Istanbul

IAHIST

Houston George Bush Intcntl

Sun 21/2

16:10-18:10

1 stop17h 00m

Istanbul

Wed 31/12

00:00-16:00

Nonstop0h 00m

£261

HoustonIstanbul

IAH Houston George Bush Intcntl - IST Istanbul

IAHIST

Houston George Bush Intcntl

Sun 21/2

16:46-00:50

2 stops23h 04m

Istanbul

Wed 31/12

00:00-16:00

Nonstop0h 00m

£267

HoustonIstanbul

IAH Houston George Bush Intcntl - IST Istanbul

IAHIST

Houston George Bush Intcntl

Sun 1/11

11:55-22:45

2 stops25h 50m

Istanbul

Wed 31/12

00:00-16:00

Nonstop0h 00m

£448

HoustonIstanbul

IAH Houston George Bush Intcntl - IST Istanbul

IAHIST

Houston George Bush Intcntl

Fri 30/10

15:40-18:10

2 stops18h 30m

Istanbul

Wed 31/12

00:00-16:00

Nonstop0h 00m

£486

HoustonIstanbul

IAH Houston George Bush Intcntl - IST Istanbul

IAHIST

Houston George Bush Intcntl

Tue 15/12

12:40-18:10

2 stops20h 30m

Istanbul

Wed 31/12

00:00-16:00

Nonstop0h 00m

£490

HoustonIstanbul

IAH Houston George Bush Intcntl - IST Istanbul

IAHIST

Houston George Bush Intcntl

Mon 8/3

17:38-00:05

2 stops21h 27m

Istanbul

Tue 16/3

07:40-22:01

2 stops22h 21m

£582

HoustonIstanbul

IAH Houston George Bush Intcntl - IST Istanbul

IAHIST

Houston George Bush Intcntl

Mon 25/1

16:10-18:10

1 stop17h 00m

Istanbul

Sat 30/1

06:30-14:00

1 stop16h 30m

£595

HoustonIstanbul

IAH Houston George Bush Intcntl - IST Istanbul

IAHIST

Houston George Bush Intcntl

Thu 15/4

09:35-13:00

2 stops19h 25m

Istanbul

Wed 21/4

13:55-10:46

2 stops28h 51m

£604

Fastest return journey

HoustonIstanbul

IAH Houston George Bush Intcntl - IST Istanbul

IAHIST

Houston George Bush Intcntl

Sun 15/11

21:00-18:00

Nonstop12h 00m

Istanbul

Wed 31/12

00:00-16:00

Nonstop0h 00m

£605

HoustonIstanbul

IAH Houston George Bush Intcntl - IST Istanbul

IAHIST

Houston George Bush Intcntl

Mon 30/11

21:40-17:50

1 stop35h 10m

Istanbul

Wed 9/12

15:00-14:05

1 stop32h 05m

£619

Flights are sorted by cheapest return flights first.

Deals found on 24/10

Showing 1-10 of 18 resultsSorted by cheapest first

Best time to book a flight from George Bush Intcntl to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul from George Bush Intcntl with our price prediction graph.

IAH-IST

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Istanbul Airport

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Istanbul Airport?

To ensure you get the cheapest price possible for a flight from Houston George Bush Intcntl Airport to Istanbul Airport, you should look to book at least 88 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Istanbul Airport?

Currently, March is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul Airport (average of £601). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of £1,098). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAH to IST?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Houston George Bush Intcntl Airport to Istanbul Airport as you normally would.

How much does it cost for a return flight from Houston George Bush Intcntl Airport to Istanbul Airport?

Airfare is below average for this route at the moment.

Houston George Bush Intcntl Airport to Istanbul Airport flights typically cost between £638 and £836 in March.
The cheapest return price found within the last 5 days was £575 on British Airways (8 Mar–16 Mar).

Related info for your journey

How long is the flight from Houston George Bush Intcntl Airport to Istanbul Airport?
British Airways, KLM, and Lufthansa can get you from Houston George Bush Intcntl Airport to Istanbul Airport in just under 17h 05m. Your travel time can differ by up to 4h 30m. The distance from Houston George Bush Intcntl Airport to Istanbul Airport is about 6353 mi. This flight may include one or multiple stops.
What are the most reliable airlines from Houston George Bush Intcntl Airport to Istanbul Airport?
Before booking your flight to Istanbul Airport from Houston George Bush Intcntl Airport, check out the most reliable airlines to get you to your destination on time: Pakistan International Airlines (65%), Thai Airways (62%), IndiGo( 62%).
Can I find deals for flights from George Bush Intcntl to Istanbul that include hotel bookings?
Yes. In addition to deals on George Bush Intcntl to Istanbul flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from George Bush Intcntl to Istanbul?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Istanbul.
Can I find deals for business class flights from George Bush Intcntl to Istanbul?
Yes. Cheapflights offers flight deals from George Bush Intcntl to Istanbul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Istanbul Airport?
Currently, March is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul Airport (average of £601). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of £1,098). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from George Bush Intcntl to Istanbul.

Can Cheapflights find flights from George Bush Intcntl to Istanbul with no change fees?

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Cheap flights from Houston George Bush Intcntl Airport to Istanbul Airport from £261

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from George Bush Intcntl to Istanbul

Cheapest flights from George Bush Intcntl to IstanbulExplore the most affordable flight options available from George Bush Intcntl to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 October 2026.

Explore the most affordable flight options available from George Bush Intcntl to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 October 2026.

Best flights from George Bush Intcntl to IstanbulDiscover carefully curated flight deals from George Bush Intcntl to Istanbul that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 October 2026.

Discover carefully curated flight deals from George Bush Intcntl to Istanbul that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 October 2026.

Direct flights from George Bush Intcntl to IstanbulExplore direct flight options from George Bush Intcntl to Istanbul based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 October 2026.

Explore direct flight options from George Bush Intcntl to Istanbul based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 October 2026.

Last-minute flights from George Bush Intcntl to IstanbulDiscover last-minute flight deals from George Bush Intcntl to Istanbul. Data last updated 25 October 2026 and is based on user searches.

Discover last-minute flight deals from George Bush Intcntl to Istanbul. Data last updated 25 October 2026 and is based on user searches.

One-way flights from George Bush Intcntl to IstanbulSearch for one-way flight options from George Bush Intcntl to Istanbul. Find affordable one-way fares based on user searches. Data last updated 25 October 2026.

Search for one-way flight options from George Bush Intcntl to Istanbul. Find affordable one-way fares based on user searches. Data last updated 25 October 2026.

Find flight deals from George Bush Intcntl to Istanbul

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Istanbul Airport that are best for you.

Best time to book a flight from George Bush Intcntl to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul from George Bush Intcntl with our price prediction graph.

Cheapflights Insights

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Istanbul Airport?

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Istanbul Airport?

What is the cheapest time of day to fly from IAH to IST?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Houston George Bush Intcntl Airport to Istanbul Airport as you normally would.

How much does it cost for a return flight from Houston George Bush Intcntl Airport to Istanbul Airport?

Airfare is below average for this route at the moment.

Houston George Bush Intcntl Airport to Istanbul Airport flights typically cost between £638 and £836 in March.The cheapest return price found within the last 5 days was £575 on British Airways (8 Mar–16 Mar).

Related info for your journey

How long is the flight from Houston George Bush Intcntl Airport to Istanbul Airport?

What are the most reliable airlines from Houston George Bush Intcntl Airport to Istanbul Airport?

Can I find deals for flights from George Bush Intcntl to Istanbul that include hotel bookings?

How can I find direct flights from George Bush Intcntl to Istanbul?

Can I find deals for business class flights from George Bush Intcntl to Istanbul?

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Istanbul Airport?

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Cheapest flights from George Bush Intcntl to Istanbul
Explore the most affordable flight options available from George Bush Intcntl to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 October 2026.

Best flights from George Bush Intcntl to Istanbul
Discover carefully curated flight deals from George Bush Intcntl to Istanbul that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 October 2026.

Direct flights from George Bush Intcntl to Istanbul
Explore direct flight options from George Bush Intcntl to Istanbul based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 October 2026.

Last-minute flights from George Bush Intcntl to Istanbul
Discover last-minute flight deals from George Bush Intcntl to Istanbul. Data last updated 25 October 2026 and is based on user searches.

One-way flights from George Bush Intcntl to Istanbul
Search for one-way flight options from George Bush Intcntl to Istanbul. Find affordable one-way fares based on user searches. Data last updated 25 October 2026.

Houston George Bush Intcntl Airport to Istanbul Airport flights typically cost between £638 and £836 in March.
The cheapest return price found within the last 5 days was £575 on British Airways (8 Mar–16 Mar).