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$273+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — IST
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Find cheap flights from George Bush Intcntl to Istanbul with Cheapflights

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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Istanbul are usually found in February or September, booked 57 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$725
(KLM)

One-way from

$273
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$966

Good round-trip deal

$820 or less

Good one-way deal

$513 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
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($297 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 15, 2026.

This KLM deal was found by Cheapflights users on 1/13. 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.
Tue 3/104:30 pm
IAH
-
IST
1 stop16h 25m
KLM
Thu 3/264:50 am
IST
-
IAH
1 stop18h 05m
KLM
Deal found 1/13$725
This KLM deal was found by Cheapflights users on 1/13. 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.
Thu 2/53:30 pm
IAH
-
IST
1 stop16h 25m
KLM
Wed 3/115:55 pm
IST
-
IAH
1 stop28h 35m
KLM
Deal found 1/13$727
This KLM deal was found by Cheapflights users on 1/13. 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.
Wed 2/412:20 pm
IAH
-
IST
2 stops19h 35m
KLM
Sun 2/84:50 am
IST
-
IAH
1 stop18h 05m
KLM
Deal found 1/13$729
This KLM deal was found by Cheapflights users on 1/14. 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.
Thu 2/512:49 pm
IAH
-
IST
2 stops19h 06m
KLM
Mon 2/234:50 am
IST
-
IAH
1 stop18h 05m
KLM
Deal found 1/14$730
This KLM deal was found by Cheapflights users on 1/14. 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.
Sat 1/313:03 pm
IAH
-
IST
2 stops16h 52m
KLM
Mon 2/165:55 pm
IST
-
IAH
1 stop28h 35m
KLM
Deal found 1/14$732
This KLM deal was found by Cheapflights users on 1/13. 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.
Sat 2/143:30 pm
IAH
-
IST
1 stop16h 25m
Multiple Airlines
Fri 2/274:50 am
IST
-
IAH
2 stops20h 46m
Multiple Airlines
Deal found 1/13$735
This KLM deal was found by Cheapflights users on 1/15. 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 2/24:05 pm
IAH
-
IST
1 stop26h 45m
KLM
Sun 2/84:50 am
IST
-
IAH
1 stop18h 05m
KLM
Deal found 1/15$736
This KLM deal was found by Cheapflights users on 1/12. 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.
Wed 2/114:05 pm
IAH
-
IST
1 stop26h 45m
KLM
Tue 2/174:50 am
IST
-
IAH
1 stop18h 05m
KLM
Deal found 1/12$737
This KLM deal was found by Cheapflights users on 1/14. 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.
Wed 2/114:05 pm
IAH
-
IST
1 stop26h 45m
KLM
Sun 2/225:55 pm
IST
-
IAH
1 stop28h 35m
KLM
Deal found 1/14$738
This KLM deal was found by Cheapflights users on 1/13. 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.
Thu 2/512:49 pm
IAH
-
IST
2 stops19h 06m
Multiple Airlines
Mon 2/164:50 am
IST
-
IAH
2 stops21h 45m
Multiple Airlines
Deal found 1/13$739
This KLM deal was found by Cheapflights users on 1/13. 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.
Thu 2/512:49 pm
IAH
-
IST
2 stops19h 06m
KLM
Tue 2/105:55 pm
IST
-
IAH
2 stops32h 45m
KLM
Deal found 1/13$741

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 January 15, 2026.
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

Tue 2/10

3:30 pm-4:55 pm

1 stop16h 25m

Istanbul

Fri 2/13

4:50 am-1:55 pm

1 stop18h 05m

$725

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sat 1/31

3:30 pm-4:55 pm

1 stop16h 25m

Istanbul

Fri 2/6

4:50 am-1:55 pm

1 stop18h 05m

$725

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Thu 2/26

3:30 pm-4:55 pm

1 stop16h 25m

Istanbul

Thu 3/5

4:50 am-1:55 pm

1 stop18h 05m

$725

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 3/10

4:30 pm-4:55 pm

1 stop16h 25m

Istanbul

Thu 3/26

4:50 am-2:55 pm

1 stop18h 05m

$725

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sat 2/21

3:30 pm-4:55 pm

1 stop16h 25m

Istanbul

Fri 2/27

4:50 am-1:55 pm

1 stop18h 05m

$725

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 3/4

3:30 pm-4:55 pm

1 stop16h 25m

Istanbul

Wed 3/11

5:55 pm-2:30 pm

1 stop28h 35m

$727

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Thu 2/12

3:30 pm-4:55 pm

1 stop16h 25m

Istanbul

Sat 2/14

5:55 pm-1:30 pm

1 stop28h 35m

$727

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 2/18

12:47 pm-4:55 pm

2 stops19h 08m

Istanbul

Tue 2/24

4:50 am-1:55 pm

1 stop18h 05m

$729

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 3/10

2:59 pm-4:55 pm

2 stops17h 56m

Istanbul

Tue 3/17

4:50 am-2:55 pm

1 stop18h 05m

$729

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 2/4

12:40 pm-4:55 pm

2 stops19h 15m

Istanbul

Mon 2/16

4:50 am-1:55 pm

1 stop18h 05m

$729

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 22 results
1
2
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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 January.
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
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JetabroadPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Houston George Bush Intcntl Airport-Istanbul Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 January 9, 2026.

The best time to book flights from Houston George Bush Intcntl Airport to Istanbul Airport is 57 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, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul Airport (average of $589). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of $1,067). 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 January 15, 2026.

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.

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 January 15, 2026.
Get a feel of what it's like to fly with Delta, KLM, and United 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
8,050 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,050 reviews
Delta
7.9
Good
8,050 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,440 reviews
Delta
7.9
Good
8,050 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,164 reviews
Delta
7.9
Good
8,050 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Turkish Airlines
7.3
Good
4,175 reviews
Delta
7.9
Good
8,050 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,718 reviews
Delta
7.9
Good
8,050 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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. KLM provides one of the quickest options available for as low as $725. There are 6353 mi between Houston George Bush Intcntl Airport and Istanbul Airport.

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

    According to our current data, United Airlines ($570), British Airways ($589), and Lufthansa ($650) offers the cheapest pricing from Houston George Bush Intcntl Airport to Istanbul Airport. United Airlines is priced at 47% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to Istanbul Airport one-way?

    The cheapest airline one-way is Turkish Airlines, with whom users have recently found tickets for as low as $413. However, be on the lookout for offers from Lufthansa and Delta, as they are both options that can get you from Houston George Bush Intcntl Airport to Istanbul Airport for a low price.

  • 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 (78%), Pakistan International Airlines (75%) or Thai Airways (66%) 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 $406. On average you can expect to pay $1,674. The most popular route, (Houston George Bush Intcntl - Istanbul), can usually be booked for $720.

  • 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, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul Airport (average of $589). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of $1,067). 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 6 airlines flying from George Bush Intcntl to Istanbul

Discover the top 6 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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$570Average$1,388FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$589Average$1,300FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$650Average$1,211FlexibilityNo cancel feeOn-time76%
KLMCheapest$723Average$890FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$744Average$1,109FlexibilityNo cancel feeOn-time77%
DeltaCheapest$964Average$1,161FlexibilityNo cancel feeOn-timeN/A

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