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$288+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — IST
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
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 March or January, booked 85 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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 August 2, 2026.

This Expedia deal was found by Cheapflights users on 7/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:10 pm
IAH
-
IST
1 stop21h 35m
Lufthansa
Tue 12/156:30 am
IST
-
IAH
1 stop16h 30m
Lufthansa
Deal found 7/30$788
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/73:50 pm
IAH
-
IST
1 stop16h 40m
British Airways
Mon 12/146:40 pm
IST
-
IAH
1 stop28h 25m
British Airways
Deal found 7/28$790
This Expedia deal was found by Cheapflights users on 8/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:40 pm
IAH
-
IST
1 stop18h 20m
British Airways
Tue 11/176:40 pm
IST
-
IAH
1 stop28h 25m
British Airways
Deal found 8/1$791
This Expedia deal was found by Cheapflights users on 8/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:05 pm
IAH
-
IST
2 stops24h 45m
Lufthansa
Mon 11/164:30 am
IST
-
IAH
2 stops27h 48m
Lufthansa
Deal found 8/1$794
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:44 pm
IAH
-
IST
2 stops24h 06m
Lufthansa
Mon 11/94:30 am
IST
-
IAH
2 stops29h 00m
Lufthansa
Deal found 7/28$798
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:40 pm
IAH
-
IST
1 stop18h 20m
British Airways
Tue 11/107:35 am
IST
-
IAH
1 stop21h 20m
British Airways
Deal found 7/30$801
This Expedia deal was found by Cheapflights users on 7/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:44 pm
IAH
-
IST
2 stops19h 01m
Lufthansa
Mon 11/164:30 am
IST
-
IAH
2 stops27h 48m
Lufthansa
Deal found 7/31$803
This Expedia deal was found by Cheapflights users on 7/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/84:14 pm
IAH
-
IST
2 stops23h 36m
British Airways
Fri 11/138:10 am
IST
-
IAH
2 stops23h 17m
British Airways
Deal found 7/30$804
This Expedia deal was found by Cheapflights users on 7/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/295:23 pm
IAH
-
IST
2 stops22h 37m
British Airways
Tue 1/127:35 am
IST
-
IAH
2 stops23h 55m
British Airways
Deal found 7/31$805

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 August 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$749
(Travelocity)

One-way from

$288
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$1,010

Good round-trip deal

$866 or less

Good one-way deal

$562 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. 24% potential increase in price ($339 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 2, 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

Wed 12/9

3:30 pm-10:45 pm

2 stops22h 15m

Istanbul

Thu 12/24

6:30 am-5:00 pm

2 stops19h 30m

$831

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 1/27

4:10 pm-10:45 pm

1 stop21h 35m

Istanbul

Sun 1/31

6:30 am-2:00 pm

1 stop16h 30m

$864

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 11/8

3:30 pm-10:45 pm

2 stops22h 15m

Istanbul

Tue 12/29

6:30 am-5:25 pm

2 stops19h 55m

$881

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 10/6

6:15 pm-12:15 pm

1 stop34h 00m

Istanbul

Sat 10/10

8:05 pm-3:55 pm

1 stop27h 50m

$896

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 11/8

3:50 pm-5:25 pm

1 stop16h 35m

Istanbul

Thu 12/31

7:35 am-7:55 pm

1 stop21h 20m

$912

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sat 11/21

1:40 pm-10:45 pm

2 stops24h 05m

Istanbul

Fri 11/27

6:30 am-6:47 pm

2 stops21h 17m

$933

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 8/30

6:15 pm-6:20 am

1 stop28h 05m

Istanbul

Wed 9/16

8:05 pm-11:59 pm

2 stops35h 54m

$944

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Thu 10/8

4:56 pm-9:35 pm

2 stops20h 39m

Istanbul

Tue 10/20

1:55 pm-12:30 am

2 stops18h 35m

$979

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Thu 10/15

4:40 pm-9:35 pm

2 stops20h 55m

Istanbul

Tue 10/27

6:30 am-6:48 pm

2 stops20h 18m

$1,000
Quickest round-trip

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 9/30

9:15 pm-5:10 pm

Nonstop11h 55m

Istanbul

Sun 10/11

2:25 pm-7:20 pm

Nonstop12h 55m

$1,001

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JetabroadPrice 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 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?

The best time to book flights from Houston George Bush Intcntl Airport to Istanbul Airport is 84 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, March is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul Airport (average of $803). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of $1,470). 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 August 2, 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.

How much does it cost to fly round-trip 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 $940 and $1,193 in January.
The cheapest round-trip price found within the last 5 days was $783 on Lufthansa (Jan 26-Feb 9).

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 August 2, 2026.
Get a feel of what it's like to fly with KLM,Delta, andTurkish 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.
KLM
7.8
Good
1,552 reviews

Food

7.3

Crew

8.4

Comfort

7.7

Boarding

7.8

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
KLM
7.8
Good
1,552 reviews
KLM
7.8
Good
1,552 reviews

Food

7.3

Crew

8.4

Comfort

7.7

Boarding

7.8

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Delta
7.8
Good
8,493 reviews
KLM
7.8
Good
1,552 reviews

Food

7.3

Crew

8.4

Comfort

7.7

Boarding

7.8

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Turkish Airlines
7.4
Good
4,461 reviews
KLM
7.8
Good
1,552 reviews

Food

7.3

Crew

8.4

Comfort

7.7

Boarding

7.8

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
United Airlines
7.4
Good
10,061 reviews
KLM
7.8
Good
1,552 reviews

Food

7.3

Crew

8.4

Comfort

7.7

Boarding

7.8

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Lufthansa
6.8
Okay
8,172 reviews
KLM
7.8
Good
1,552 reviews

Food

7.3

Crew

8.4

Comfort

7.7

Boarding

7.8

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

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 22h 15m. United Airlines provides one of the quickest options available for as low as $831. 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 ($570), Lufthansa ($660), and KLM ($723) offers the cheapest pricing from Houston George Bush Intcntl Airport to Istanbul Airport. United Airlines is priced at 44% 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 $484. However, be on the lookout for offers from KLM and United Airlines, 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 (73%), Thai Airways (72%) or IndiGo (72%) 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 $476. On average you can expect to pay $2,551. The most popular route, (Houston George Bush Intcntl - Istanbul), can usually be booked for $801.

  • 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, March is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul Airport (average of $803). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of $1,470). 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 5 airlines flying from George Bush Intcntl to Istanbul

Discover the top 5 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 August 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$570Average$1,196FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$660Average$1,311FlexibilityNo cancel feeOn-time76%
KLMCheapest$723Average$1,003FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$727Average$993FlexibilityNo cancel feeOn-time77%
DeltaCheapest$804Average$1,194FlexibilityNo cancel feeOn-timeN/A

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