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$420+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — IST
Jun 3 — Jun 101
Wed 6/3
Wed 6/10
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 Thursday

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 May 4, 2026.

This Delta deal was found by Cheapflights users on 5/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:15 pm
IAH
-
IST
2 stops28h 15m
Delta
Mon 8/315:20 pm
IST
-
IAH
1 stop27h 55m
Delta
Deal found 5/4$922
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:55 pm
IAH
-
IST
1 stop27h 35m
Delta
Mon 10/195:20 pm
IST
-
IAH
1 stop27h 55m
Delta
Deal found 4/30$931
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/22:35 pm
IAH
-
IST
2 stops28h 55m
Delta
Sun 8/166:00 am
IST
-
IAH
1 stop15h 20m
Delta
Deal found 4/30$932
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:40 pm
IAH
-
IST
2 stops27h 50m
Delta
Sun 8/305:20 pm
IST
-
IAH
1 stop27h 55m
Delta
Deal found 4/30$933
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/193:25 pm
IAH
-
IST
1 stop16h 55m
Delta
Fri 9/46:00 am
IST
-
IAH
1 stop15h 15m
Delta
Deal found 4/29$935
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:40 pm
IAH
-
IST
2 stops27h 50m
Delta
Tue 10/134:25 am
IST
-
IAH
1 stop17h 15m
Delta
Deal found 5/1$939
This KLM deal was found by Cheapflights users on 4/29. 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 10/304:30 pm
IAH
-
IST
1 stop16h 25m
KLM
Fri 11/137:15 am
IST
-
IAH
1 stop15h 40m
KLM
Deal found 4/29$945
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:35 pm
IAH
-
IST
2 stops28h 55m
Delta
Wed 9/305:20 pm
IST
-
IAH
1 stop27h 55m
Delta
Deal found 4/30$947
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/303:55 pm
IAH
-
IST
1 stop27h 35m
Delta
Mon 9/145:20 pm
IST
-
IAH
1 stop27h 55m
Delta
Deal found 4/30$948

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 May 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$922
(Delta)

One-way from

$420
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$1,305

Good round-trip deal

$930 or less

Good one-way deal

$726 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 ($320 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 4, 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
Quickest round-trip

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Fri 10/2

3:55 pm-3:30 am

1 stop27h 35m

Istanbul

Fri 10/9

4:25 am-1:40 pm

1 stop17h 15m

$1,008

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 9/15

2:35 pm-3:30 am

2 stops28h 55m

Istanbul

Mon 9/28

4:25 am-9:59 pm

2 stops25h 34m

$1,009

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Fri 8/28

3:40 pm-3:30 am

2 stops27h 50m

Istanbul

Fri 9/11

4:25 am-11:51 pm

2 stops27h 26m

$1,009

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 7/21

3:27 pm-3:30 am

2 stops28h 03m

Istanbul

Fri 7/31

6:00 am-9:35 pm

2 stops23h 35m

$1,049

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 7/21

2:38 pm-3:30 am

2 stops28h 52m

Istanbul

Thu 7/30

6:00 am-10:24 pm

2 stops24h 24m

$1,049

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Fri 9/4

3:20 pm-1:20 am

1 stop26h 00m

Istanbul

Sat 9/12

4:25 am-4:28 pm

2 stops20h 03m

$1,065

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Mon 5/18

11:34 am-1:20 am

2 stops29h 46m

Istanbul

Wed 8/19

4:25 am-11:52 pm

2 stops27h 27m

$1,134

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Mon 6/22

5:00 pm-3:30 am

1 stop26h 30m

Istanbul

Mon 7/6

5:20 pm-1:20 pm

1 stop28h 00m

$1,148

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Thu 7/9

2:35 pm-3:30 am

2 stops28h 55m

Istanbul

Sun 8/2

4:25 am-10:24 pm

2 stops25h 59m

$1,179

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 5/24

3:25 pm-1:20 am

1 stop25h 55m

Istanbul

Sun 6/7

6:00 am-5:43 pm

2 stops19h 43m

$1,188

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 21 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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
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 $804). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of $1,450). 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 May 4, 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?

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 May 4, 2026.
Get a feel of what it's like to fly with Delta,KLM, 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.
Delta
7.9
Good
8,461 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
Delta
7.9
Good
8,461 reviews
Delta
7.9
Good
8,461 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
KLM
7.8
Good
1,511 reviews
Delta
7.9
Good
8,461 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
Turkish Airlines
7.4
Good
4,344 reviews
Delta
7.9
Good
8,461 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
United Airlines
7.4
Good
9,680 reviews
Delta
7.9
Good
8,461 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
Lufthansa
6.8
Okay
7,972 reviews
Delta
7.9
Good
8,461 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

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 27h 35m. Delta provides one of the quickest options available for as low as $1,008. 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 64% 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 $422. 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 (70%), Thai Airways (68%) or IndiGo (68%) 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 $558. On average you can expect to pay $1,539. The most popular route, (Houston George Bush Intcntl - Istanbul), can usually be booked for $800.

  • 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 $804). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of $1,450). 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 May 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$364Average$1,129FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$570Average$1,195FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$650Average$1,239FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$719Average$1,016FlexibilityNo cancel feeOn-time77%
KLMCheapest$723Average$884FlexibilityNo cancel feeOn-time75%
DeltaCheapest$1,043Average$1,263FlexibilityNo cancel feeOn-timeN/A

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