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$351+ Cheap flights from George Bush Intcntl (IAH) to Istanbul

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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — IST
May 1 — May 81
Fri 5/1
Fri 5/8
1 adult, Economy
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Istanbul are usually found in March or January, booked 51 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 April 1, 2026.

This FlightHub deal was found by Cheapflights users on 3/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:00 pm
IAH
-
IST
2 stops27h 40m
Scandinavian Airlines
Wed 11/185:30 am
IST
-
IAH
2 stops27h 28m
Scandinavian Airlines
Deal found 3/29$827
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:05 pm
IAH
-
IST
Nonstop12h 00m
Turkish Airlines
Tue 9/152:10 pm
IST
-
IAH
Nonstop13h 00m
Turkish Airlines
Deal found 3/31$837
This oojo deal was found by Cheapflights users on 3/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/309:05 pm
IAH
-
IST
Nonstop12h 00m
Turkish Airlines
Wed 9/162:10 pm
IST
-
IAH
Nonstop13h 00m
Turkish Airlines
Deal found 3/30$838
This FlightHub deal was found by Cheapflights users on 4/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:05 pm
IAH
-
IST
Nonstop12h 00m
Turkish Airlines
Wed 10/72:10 pm
IST
-
IAH
Nonstop13h 00m
Turkish Airlines
Deal found 4/1$843
This oojo deal was found by Cheapflights users on 3/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:05 pm
IAH
-
IST
Nonstop12h 00m
Turkish Airlines
Tue 5/122:10 pm
IST
-
IAH
Nonstop13h 00m
Turkish Airlines
Deal found 3/27$844
This Delta deal was found by Cheapflights users on 3/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:55 pm
IAH
-
IST
1 stop27h 35m
Delta
Fri 8/214:25 am
IST
-
IAH
1 stop17h 15m
Delta
Deal found 3/28$846
This oojo deal was found by Cheapflights users on 3/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:05 pm
IAH
-
IST
Nonstop12h 00m
Turkish Airlines
Fri 5/82:10 pm
IST
-
IAH
Nonstop13h 00m
Turkish Airlines
Deal found 3/28$847
This oojo deal was found by Cheapflights users on 3/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:05 pm
IAH
-
IST
Nonstop12h 00m
Turkish Airlines
Wed 10/142:10 pm
IST
-
IAH
Nonstop13h 00m
Turkish Airlines
Deal found 3/30$855
This Justfly.com deal was found by Cheapflights users on 3/31. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/291:15 pm
IAH
-
IST
2 stops30h 25m
Scandinavian Airlines
Sat 9/124:30 am
IST
-
IAH
2 stops27h 21m
Scandinavian Airlines
Deal found 3/31$856
This Justfly.com deal was found by Cheapflights users on 3/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/301:15 pm
IAH
-
IST
2 stops30h 25m
Scandinavian Airlines
Wed 11/115:30 am
IST
-
IAH
2 stops27h 28m
Scandinavian Airlines
Deal found 3/27$857
This Almosafer deal was found by Cheapflights users on 3/28. 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 Almosafer is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/301:15 pm
IAH
-
IST
2 stops30h 25m
Scandinavian Airlines
Mon 9/144:30 am
IST
-
IAH
2 stops27h 21m
Scandinavian Airlines
Deal found 3/28$860
This KLM deal was found by Cheapflights users on 3/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/153:25 pm
IAH
-
SAW
1 stop21h 35m
KLM
Thu 4/238:50 am
SAW
-
IAH
1 stop36h 30m
KLM
Deal found 3/31$968

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 (TR5). 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 April 1, 2026.

Round-trip from

$837
(oojo)

One-way from

$351
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$959
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 ($336 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 April 2026
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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 April 1, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Istanbul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 9/8

3:55 pm-3:30 am

1 stop27h 35m

Istanbul

Mon 9/28

5:20 pm-1:15 pm

1 stop27h 55m

$896

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 8/30

3:55 pm-3:30 am

1 stop27h 35m

Istanbul

Mon 9/14

5:20 pm-1:15 pm

1 stop27h 55m

$947

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 8/30

3:40 pm-3:30 am

2 stops27h 50m

Istanbul

Wed 9/16

6:00 am-9:03 pm

2 stops23h 03m

$947

HoustonIstanbul

IAH - SAW

IAHSAW

Houston George Bush Intcntl

Wed 4/15

3:25 pm-5:05 pm

1 stop17h 40m

Istanbul Sabiha Gokcen

Thu 4/30

8:50 am-1:20 pm

1 stop36h 30m

$993

HoustonIstanbul

IAH - SAW

IAHSAW

Houston George Bush Intcntl

Thu 4/16

3:25 pm-9:00 pm

1 stop21h 35m

Istanbul Sabiha Gokcen

Wed 4/22

8:50 am-9:35 pm

2 stops20h 45m

$1,003

HoustonIstanbul

IAH - SAW

IAHSAW

Houston George Bush Intcntl

Mon 4/20

3:25 pm-5:05 pm

1 stop17h 40m

Istanbul Sabiha Gokcen

Fri 5/1

2:40 pm-3:54 pm

2 stops33h 14m

$1,003

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 4/28

11:51 am-1:20 am

2 stops29h 29m

Istanbul

Fri 5/8

6:00 am-1:20 pm

1 stop15h 20m

$1,008

HoustonIstanbul

IAH - SAW

IAHSAW

Houston George Bush Intcntl

Tue 4/28

3:25 pm-5:05 pm

1 stop17h 40m

Istanbul Sabiha Gokcen

Thu 5/7

8:50 am-8:00 pm

2 stops19h 10m

$1,008

HoustonIstanbul

IAH - SAW

IAHSAW

Houston George Bush Intcntl

Sat 4/25

3:25 pm-10:55 pm

1 stop23h 30m

Istanbul Sabiha Gokcen

Fri 5/1

8:50 am-1:20 pm

1 stop36h 30m

$1,048

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Fri 7/3

3:20 pm-4:20 pm

1 stop17h 00m

Istanbul

Wed 8/5

6:00 am-5:39 pm

2 stops19h 39m

$1,054

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 39 resultsSorted by cheapest first
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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

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Istanbul?

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 March 13, 2026.

To ensure you get the cheapest price possible for a flight from Houston George Bush Intcntl Airport to Istanbul, you should look to book at least 51 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, December is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul (average of $599). Flying from Houston George Bush Intcntl Airport to Istanbul in June is currently the most expensive (average of $1,033). 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 April 1, 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 as you normally would.

Weekly flight availability from Houston George Bush Intcntl Airport to Istanbul

Explore weekly flight availability from George Bush Intcntl to Istanbul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 1, 2026.

The most flights from IAH to TR5 are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Istanbul?

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 April 1, 2026.
See what other customers who have flown with Delta,KLM, andTurkish Airlines from Houston George Bush Intcntl Airport to Istanbul have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,365 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Overall

7.9

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
8,365 reviews
Delta
7.9
Good
8,365 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Overall

7.9

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
7.8
Good
1,481 reviews
Delta
7.9
Good
8,365 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Overall

7.9

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
7.4
Good
4,291 reviews
Delta
7.9
Good
8,365 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Overall

7.9

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
9,533 reviews
Delta
7.9
Good
8,365 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Overall

7.9

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
7,881 reviews
Delta
7.9
Good
8,365 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Overall

7.9

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?

    Airlines like Delta and KLM fly from Houston George Bush Intcntl Airport to Istanbul in about 17h 40m. The time it takes to get you to your destination can typically vary by up to 9h 55m. The distance from Houston George Bush Intcntl Airport to Istanbul is about 6392 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Flying on British Airways is currently your cheapest option to Istanbul, with prices starting at $364. Additional round-trip tickets that might be worth considering are offered by United Airlines and Lufthansa, with the lowest prices starting at $570 and $650, respectively. British Airways is currently priced 64% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with Turkish Airlines, which is currently one of the cheapest options available, starting at $422. Lufthansa flights start at $552 while deals on Delta start at $683 one-way.

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

    The top 3 most reliable airlines when flying from Houston George Bush Intcntl Airport to Istanbul are Thai Airways (92%), IndiGo (92%) and Pakistan International Airlines (92%).

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

    The cheapest flight price from Houston George Bush Intcntl Airport to Istanbul is $508. On average you can expect to pay $880. The most popular route, (Houston George Bush Intcntl - Istanbul), can usually be booked for $837.

  • 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?

    Currently, December is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul (average of $599). Flying from Houston George Bush Intcntl Airport to Istanbul in June is currently the most expensive (average of $1,033). 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.
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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 April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$364Average$1,161FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$570Average$1,196FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$650Average$1,187FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$716Average$1,020FlexibilityNo cancel feeOn-time77%
KLMCheapest$723Average$877FlexibilityNo cancel feeOn-time75%
DeltaCheapest$991Average$1,171FlexibilityNo cancel feeOn-timeN/A

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