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$333+ 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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — IST
Apr 4 — Apr 111
Sat 4/4
Sat 4/11
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 January or March, booked 51 days in advance, depart on a Tuesday or Wednesday and return on a Sunday

Cheap 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 March 5, 2026.

This KLM deal was found by Cheapflights users on 3/3. 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.
Fri 11/63:30 pm
IAH
-
IST
1 stop16h 25m
KLM
Thu 11/124:50 am
IST
-
IAH
1 stop18h 05m
KLM
Deal found 3/3$742
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/155:05 pm
IAH
-
IST
1 stop26h 45m
KLM
Tue 3/316:00 am
IST
-
IAH
2 stops23h 36m
KLM
Deal found 3/1$745
This KLM deal was found by Cheapflights users on 3/1. 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 3/184:30 pm
IAH
-
IST
1 stop16h 25m
KLM
Thu 3/264:50 am
IST
-
IAH
1 stop18h 05m
KLM
Deal found 3/1$746
This KLM deal was found by Cheapflights users on 3/2. 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 3/184:30 pm
IAH
-
IST
1 stop16h 25m
KLM
Tue 3/245:55 pm
IST
-
IAH
1 stop28h 35m
KLM
Deal found 3/2$748
This FlightHub deal was found by Cheapflights users on 3/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:15 pm
IAH
-
IST
2 stops30h 25m
Scandinavian Airlines
Mon 9/144:30 am
IST
-
IAH
2 stops27h 21m
Scandinavian Airlines
Deal found 3/3$754
This Air France deal was found by Cheapflights users on 3/4. 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 3/244:30 pm
IAH
-
IST
1 stop16h 25m
Multiple Airlines
Tue 3/314:25 am
IST
-
IAH
2 stops21h 33m
Multiple Airlines
Deal found 3/4$755
This Air France deal was found by Cheapflights users on 3/1. 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 3/174:30 pm
IAH
-
IST
1 stop16h 25m
Multiple Airlines
Tue 3/314:25 am
IST
-
IAH
2 stops21h 33m
Multiple Airlines
Deal found 3/1$756
This KLM deal was found by Cheapflights users on 3/2. 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 3/175:05 pm
IAH
-
IST
1 stop26h 45m
KLM
Tue 3/314:25 am
IST
-
IAH
1 stop17h 10m
KLM
Deal found 3/2$758
This KLM deal was found by Cheapflights users on 3/2. 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 3/175:05 pm
IAH
-
IST
1 stop26h 45m
KLM
Wed 3/255:55 pm
IST
-
IAH
1 stop28h 35m
KLM
Deal found 3/2$759

Find 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 March 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$745
(Kiwi.com)

One-way from

$333
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$852

Good round-trip deal

$815 or less

Good one-way deal

$567 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
Search Deals
One-way flight from Houston George Bush Intcntl to Istanbul
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($321 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Houston George Bush Intcntl to Istanbul.
Search Deals
Price to beat on a one-way flight from Houston George Bush Intcntl to Istanbul.
Search Deals

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 March 5, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Mon 4/20

3:20 pm-1:20 am

1 stop26h 00m

Istanbul

Fri 5/1

4:25 am-1:35 pm

1 stop17h 10m

$765
Quickest round-trip

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Thu 3/19

4:30 pm-4:55 pm

1 stop16h 25m

Istanbul

Fri 4/3

4:25 am-1:35 pm

1 stop17h 10m

$766

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 4/15

3:50 pm-3:30 am

1 stop27h 40m

Istanbul

Wed 4/22

4:25 am-1:35 pm

1 stop17h 10m

$798

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sat 4/11

3:20 pm-1:20 am

1 stop26h 00m

Istanbul

Sun 4/19

4:25 am-1:35 pm

1 stop17h 10m

$800

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Mon 4/27

3:20 pm-1:20 am

1 stop26h 00m

Istanbul

Mon 5/11

5:20 pm-1:15 pm

1 stop27h 55m

$818

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 4/21

3:20 pm-4:20 pm

1 stop17h 00m

Istanbul

Sun 4/26

4:25 am-1:35 pm

1 stop17h 10m

$855

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Mon 4/20

3:50 pm-3:30 am

1 stop27h 40m

Istanbul

Fri 5/1

6:00 am-11:41 pm

2 stops25h 41m

$858

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Thu 4/30

3:50 pm-3:30 am

1 stop27h 40m

Istanbul

Sat 5/30

6:00 am-1:15 pm

1 stop15h 15m

$868
Cheapest one-way

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 4/7

12:46 pm-7:35 pm

2 stops22h 49m

$376

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 3/31

12:46 pm-1:10 pm

2 stops40h 24m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/28

Showing 1-10 of 19 resultsSorted by cheapest first
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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Istanbul Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 February 27, 2026.

The best time to book flights from Houston George Bush Intcntl Airport to Istanbul Airport is 51 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, December is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul Airport (average of $600). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of $1,045). 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 March 5, 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 March 5, 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
8,250 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

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
8,250 reviews
Delta
7.9
Good
8,250 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

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
1,465 reviews
Delta
7.9
Good
8,250 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

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
9,394 reviews
Delta
7.9
Good
8,250 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

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
4,244 reviews
Delta
7.9
Good
8,250 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

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
7,828 reviews
Delta
7.9
Good
8,250 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

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 26h. KLM provides one of the quickest options available for as low as $765. 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, British Airways ($364), United Airlines ($570), and Lufthansa ($650) offers the cheapest pricing from Houston George Bush Intcntl Airport to Istanbul Airport. British Airways is priced at 65% 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 $420. 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 Pakistan International Airlines (88%), Thai Airways (78%) or IndiGo (78%) 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 $486. On average you can expect to pay $1,343. The most popular route, (Houston George Bush Intcntl - Istanbul), can usually be booked for $745.

  • 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, December is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul Airport (average of $600). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of $1,045). 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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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 March 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$364Average$1,244FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$570Average$1,282FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$650Average$1,187FlexibilityNo cancel feeOn-time76%
KLMCheapest$721Average$875FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$725Average$1,073FlexibilityNo cancel feeOn-time77%
DeltaCheapest$991Average$1,161FlexibilityNo cancel feeOn-timeN/A

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