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$226+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — IST
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Istanbul are usually found in October or September, booked 75 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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 (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 September 11, 2025.

Round-trip from

$793
(Turkish Airlines)

One-way from

$226
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$981
From Houston George Bush Intcntl to Istanbul
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One-way flight from Houston George Bush Intcntl to Istanbul
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Highest demand for flights based on searches. 17% potential increase in price ($242 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 11, 2025.

This Turkish Airlines deal was found by Cheapflights users on 9/11. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/69:00 pmIAH - IST
Nonstop12h 05mTurkish Airlines
Wed 10/152:00 pmIST - IAH
Nonstop13h 05mTurkish Airlines
Deal found 9/11$793
This lastminute.com deal was found by Cheapflights users on 9/10. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/159:00 pmIAH - IST
Nonstop12h 05mTurkish Airlines
Wed 10/12:00 pmIST - IAH
Nonstop13h 05mTurkish Airlines
Deal found 9/10$794
This oojo deal was found by Cheapflights users on 9/10. 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.
Fri 11/289:05 pmIAH - IST
Nonstop12h 00mTurkish Airlines
Mon 12/82:50 pmIST - IAH
Nonstop13h 20mTurkish Airlines
Deal found 9/10$798
This oojo deal was found by Cheapflights users on 9/10. 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 11/29:05 pmIAH - IST
Nonstop12h 00mTurkish Airlines
Sun 11/162:50 pmIST - IAH
Nonstop13h 20mTurkish Airlines
Deal found 9/10$799
This KLM deal was found by Cheapflights users on 9/11. 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 12/44:05 pmIAH - IST
1 stop26h 45mKLM
Wed 12/174:50 amIST - IAH
1 stop18h 05mKLM
Deal found 9/11$801
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:30 amIAH - IST
2 stops38h 20mMultiple Airlines
Wed 10/156:20 pmIST - IAH
3 stops37h 36mMultiple Airlines
Deal found 9/10$803
This FlightHub deal was found by Cheapflights users on 9/10. 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.
Sun 10/59:00 pmIAH - IST
Nonstop12h 05mTurkish Airlines
Tue 10/212:00 pmIST - IAH
Nonstop13h 05mTurkish Airlines
Deal found 9/10$805
This CrystalTravel deal was found by Cheapflights users on 9/11. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/264:30 pmIAH - IST
1 stop16h 35mLufthansa
Fri 12/56:30 amIST - IAH
1 stop17h 05mLufthansa
Deal found 9/11$806
This oojo deal was found by Cheapflights users on 9/11. 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.
Fri 10/102:25 pmIAH - IST
Nonstop11h 55mTurkish Airlines
Fri 10/177:50 amIST - IAH
Nonstop12h 50mTurkish Airlines
Deal found 9/11$807
This KLM deal was found by Cheapflights users on 9/11. 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 12/33:30 pmIAH - IST
1 stop16h 25mKLM
Mon 12/154:50 amIST - IAH
1 stop18h 05mKLM
Deal found 9/11$809
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/85:25 amIAH - IST
2 stops38h 25mMultiple Airlines
Thu 11/207:20 pmIST - IAH
3 stops35h 33mMultiple Airlines
Deal found 9/10$810
This KLM deal was found by Cheapflights users on 9/11. 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 12/44:05 pmIAH - IST
1 stop26h 45mKLM
Mon 12/154:50 amIST - IAH
2 stops21h 53mKLM
Deal found 9/11$811

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 September 11, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Istanbul 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

Thu 12/4

4:05 pm-3:50 am

1 stop26h 45m

Istanbul

Tue 12/23

4:50 am-1:55 pm

1 stop18h 05m

$801

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Thu 1/8

3:10 pm-4:55 pm

2 stops16h 45m

Istanbul

Wed 1/21

4:50 am-1:55 pm

1 stop18h 05m

$806

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 9/21

9:00 pm-5:05 pm

Nonstop12h 05m

Istanbul

Wed 10/1

2:00 pm-7:05 pm

Nonstop13h 05m

$813

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Thu 11/13

9:05 pm-6:05 pm

Nonstop12h 00m

Istanbul

Wed 11/26

2:50 pm-7:10 pm

Nonstop13h 20m

$813

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 11/11

9:05 pm-6:05 pm

Nonstop12h 00m

Istanbul

Wed 11/26

2:50 pm-7:10 pm

Nonstop13h 20m

$813

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Mon 10/27

4:21 pm-4:55 pm

2 stops16h 34m

Istanbul

Sun 11/2

4:50 am-2:55 pm

1 stop18h 05m

$819

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 1/6

3:10 pm-4:55 pm

2 stops16h 45m

Istanbul

Thu 1/29

4:50 am-5:43 pm

2 stops21h 53m

$820

HoustonIstanbul

IAH - SAW

IAHSAW

Houston George Bush Intcntl

Tue 3/3

3:30 pm-5:25 pm

1 stop16h 55m

Istanbul Sabiha Gokcen

Thu 3/5

12:55 pm-1:30 pm

1 stop33h 35m

$822

HoustonIstanbul

IAH - SAW

IAHSAW

Houston George Bush Intcntl

Wed 12/10

3:30 pm-5:25 pm

1 stop16h 55m

Istanbul Sabiha Gokcen

Wed 12/24

3:45 pm-1:30 pm

1 stop30h 45m

$830

HoustonIstanbul

IAH - SAW

IAHSAW

Houston George Bush Intcntl

Mon 10/27

4:30 pm-5:25 pm

1 stop16h 55m

Istanbul Sabiha Gokcen

Sun 11/2

9:00 am-2:30 pm

1 stop37h 30m

$830

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 33 results
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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 August 29, 2025.

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 75 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, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul (average of $916). Flying from Houston George Bush Intcntl Airport to Istanbul in June is currently the most expensive (average of $1,359). 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 September 11, 2025.

One of the essential ways to save on airfare from Houston George Bush Intcntl Airport to Istanbul is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 8% on airfare.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to Istanbul?

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to Istanbul. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Istanbul flight should consider departing on Wednesday mornings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 11, 2025.

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).

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 September 11, 2025.
See what other customers who have flown with Delta, United Airlines, and Turkish 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
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Turkish Airlines
7.3
Good
3,968 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,409 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 KLM and Turkish Airlines fly from Houston George Bush Intcntl Airport to Istanbul in about 12h 05m. The time it takes to get you to your destination can typically vary by up to 14h 40m. The distance from Houston George Bush Intcntl Airport to Istanbul is about 6353 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 $658. Additional round-trip tickets that might be worth considering are offered by Delta and KLM, with the lowest prices starting at $720 and $753, respectively. British Airways is currently priced 41% below the average price you’ll pay for this route.

  • 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 Turkish Airlines (85%), Thai Airways (83%) and IndiGo (83%).

  • 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 $392. On average you can expect to pay $1,532. The most popular route, (Houston George Bush Intcntl - Istanbul), can usually be booked for $762.

  • 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, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul (average of $916). Flying from Houston George Bush Intcntl Airport to Istanbul in June is currently the most expensive (average of $1,359). 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 7 airlines flying from George Bush Intcntl to Istanbul

Discover the top 7 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$658Average$1,104FlexibilityNo cancel feeOn-time70%
DeltaCheapest$720Average$1,070FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$753Average$1,171FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$827Average$970FlexibilityNo cancel feeOn-time68%
LufthansaCheapest$857Average$1,182FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$858Average$1,134FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$859Average$1,372FlexibilityNo cancel feeOn-time69%

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