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$270+ Cheap flights from George Bush Intcntl (IAH) to Istanbul (IST)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — IST
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Find cheap flights from George Bush Intcntl to Istanbul with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Istanbul are usually found in September or October, booked 59 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from George Bush Intcntl to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Istanbul (IST). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 27, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$736
(Air France)

One-way from

$270
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$934

Good round-trip deal

$846 or less

Good one-way deal

$461 or less
Provider with most accurate pricing for Houston George Bush Intcntl-Istanbul flight deals.
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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Istanbul flights.
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From Houston George Bush Intcntl to Istanbul
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One-way flight from Houston George Bush Intcntl to Istanbul
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Highest demand for flights based on searches. 18% potential increase in price ($254 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Houston George Bush Intcntl to Istanbul.
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Price to beat on a one-way flight from Houston George Bush Intcntl to Istanbul.
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Find flight deals from George Bush Intcntl to Istanbul

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 October 27, 2025.

This Air France deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/94:05 pmIAH - IST
1 stop26h 45mMultiple Airlines
Tue 11/185:55 pmIST - IAH
1 stop28h 35mMultiple Airlines
Deal found 10/26$736
This Turkish Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/292:55 pmIAH - IST
Nonstop11h 50mTurkish Airlines
Fri 12/52:50 pmIST - IAH
Nonstop13h 20mTurkish Airlines
Deal found 10/27$737
This Air France deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/112:27 pmIAH - IST
2 stops17h 28mKLM
Tue 11/255:55 pmIST - IAH
2 stops32h 42mKLM
Deal found 10/25$740
This Turkish Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/49:05 pmIAH - IST
Nonstop12h 00mTurkish Airlines
Mon 11/172:50 pmIST - IAH
Nonstop13h 20mTurkish Airlines
Deal found 10/25$742
This Air France deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/144:05 pmIAH - IST
1 stop26h 45mMultiple Airlines
Sat 11/224:50 amIST - IAH
2 stops21h 55mMultiple Airlines
Deal found 10/27$745
This KAYAK deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/82:55 pmIAH - IST
Nonstop11h 50mTurkish Airlines
Sat 11/152:50 pmIST - IAH
Nonstop13h 20mTurkish Airlines
Deal found 10/25$747
This Booking.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:55 pmIAH - IST
1 stop18h 50mLufthansa
Mon 12/17:00 pmIST - IAH
1 stop28h 35mLufthansa
Deal found 10/25$750
This Air Canada deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:25 pmIAH - IST
2 stops40h 45mAir Canada
Mon 11/177:45 pmIST - IAH
2 stops46h 26mAir Canada
Deal found 10/25$752
This KLM deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/103:30 pmIAH - IST
1 stop16h 25mKLM
Thu 11/134:50 amIST - IAH
1 stop18h 05mKLM
Deal found 10/26$754
This Air Canada deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1711:55 amIAH - IST
2 stops23h 15mAir Canada
Wed 12/36:30 amIST - IAH
2 stops24h 09mAir Canada
Deal found 10/25$755
This Air Canada deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:25 pmIAH - IST
2 stops40h 45mAir Canada
Sat 11/153:10 pmIST - IAH
2 stops39h 29mAir Canada
Deal found 10/25$756

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Istanbul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Istanbul Airport that are best for you.

Fly from

George Bush Intcntl

Fly to

Istanbul

Route

Depart

Return

Price

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Mon 2/23

6:55 pm-10:45 pm

1 stop18h 50m

Istanbul

Mon 3/9

6:30 am-3:10 pm

1 stop16h 40m

$742

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Thu 1/1

4:30 pm-10:45 pm

1 stop21h 15m

Istanbul

Fri 1/23

6:30 am-2:35 pm

1 stop17h 05m

$742

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 11/18

3:30 pm-4:55 pm

1 stop16h 25m

Istanbul

Thu 11/20

4:50 am-1:55 pm

1 stop18h 05m

$754

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 11/19

2:40 pm-6:05 pm

2 stops18h 25m

Istanbul

Fri 12/5

6:30 am-2:35 pm

1 stop17h 05m

$759

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 11/18

6:55 pm-10:45 pm

1 stop18h 50m

Istanbul

Fri 12/5

6:30 am-2:35 pm

1 stop17h 05m

$759

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sat 1/3

2:55 pm-11:45 am

Nonstop11h 50m

Istanbul

Wed 1/21

2:50 pm-7:10 pm

Nonstop13h 20m

$762

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sat 1/3

9:05 pm-6:05 pm

Nonstop12h 00m

Istanbul

Tue 1/20

2:50 pm-7:10 pm

Nonstop13h 20m

$762

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Fri 1/2

9:05 pm-6:05 pm

Nonstop12h 00m

Istanbul

Mon 1/19

2:50 pm-7:10 pm

Nonstop13h 20m

$762

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 3/3

11:30 am-4:55 pm

2 stops20h 25m

Istanbul

Thu 3/5

5:55 pm-1:30 pm

1 stop28h 35m

$782

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Fri 12/5

7:01 am-4:55 pm

2 stops24h 54m

Istanbul

Tue 12/16

4:50 am-11:59 pm

2 stops28h 09m

$793

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 20 results
1
2

Compare providers for flights from George Bush Intcntl to Istanbul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Istanbul in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Istanbul Airport flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Houston George Bush Intcntl Airport-Istanbul Airport flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Istanbul Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Istanbul Airport flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Istanbul Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.
Estimated round-trip 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?

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Istanbul. Price data was last updated on October 24, 2025.

The best time to book flights from Houston George Bush Intcntl Airport to Istanbul Airport is 59 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, April is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul Airport (average of $652). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of $1,073). 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?

Find hourly flight availability from George Bush Intcntl to Istanbul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

One of the essential ways to save on airfare from Houston George Bush Intcntl Airport to Istanbul Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 7% on airfare.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to Istanbul Airport?

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to Istanbul. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Istanbul Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Istanbul

Get insights into the airlines that provide service to Istanbul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Istanbul. Reviews last updated October 27, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and Turkish Airlines from Houston George Bush Intcntl Airport to Istanbul Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,995 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,995 reviews
Delta
7.9
Good
7,995 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,997 reviews
Delta
7.9
Good
7,995 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Turkish Airlines
7.3
Good
4,030 reviews
Delta
7.9
Good
7,995 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Lufthansa
6.8
Okay
7,532 reviews
Delta
7.9
Good
7,995 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
British Airways
6.7
Okay
7,476 reviews
Delta
7.9
Good
7,995 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Istanbul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    A quick flight from Houston George Bush Intcntl Airport to Istanbul Airport can take about 16h 25m. United Airlines provides one of the quickest options available for as low as $754. There are 6353 mi between Houston George Bush Intcntl Airport and Istanbul Airport. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Istanbul Airport round-trip?

    According to our current data, United Airlines ($664), KLM ($730), and Lufthansa ($825) offers the cheapest pricing from Houston George Bush Intcntl Airport to Istanbul Airport. United Airlines is priced at 40% lower than the current average price of a flight leaving 3 months from now.

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

    No one likes to see their flight delayed. When booking a flight from Houston George Bush Intcntl Airport to Istanbul Airport consider choosing Turkish Airlines (82%), Pakistan International Airlines (73%) or Thai Airways (73%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Houston George Bush Intcntl Airport to Istanbul Airport?

    The cheapest flight price from Houston George Bush Intcntl Airport to Istanbul Airport is $392. On average you can expect to pay $1,690. The most popular route, (Houston George Bush Intcntl - Istanbul), can usually be booked for $609.

  • 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 vacation 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, April is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul Airport (average of $652). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of $1,073). 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.

See more FAQs

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Alternative routes for George Bush Intcntl to Istanbul

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Istanbul flights
Hobby to Sabiha Gokcen flights
George Bush Intcntl to Sabiha Gokcen flights

Top 7 airlines flying from George Bush Intcntl to Istanbul

Discover the top 7 airlines that operate flights from George Bush Intcntl to Istanbul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$664Average$1,391FlexibilityNo cancel feeOn-time69%
KLMCheapest$730Average$1,141FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$825Average$1,206FlexibilityNo cancel feeOn-time76%
Qatar AirwaysCheapest$827Average$969FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$830Average$1,134FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$846Average$1,281FlexibilityNo cancel feeOn-time70%
DeltaCheapest$927Average$1,141FlexibilityNo cancel feeOn-timeN/A

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