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$421+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — IST
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Istanbul are usually found in September or November, booked 59 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

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 July 31, 2025.

Round-trip from

$852
(Kiwi.com)

One-way from

$421
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,244
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. 18% potential increase in price ($249 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 July 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 July 31, 2025.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:00 pmIAH - IST
Nonstop12h 05mMultiple Airlines
Fri 10/174:45 amIST - IAH
2 stops25h 41mMultiple Airlines
Deal found 7/30$852
This Turkish Airlines deal was found by Cheapflights users on 7/29. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/189:00 pmIAH - IST
Nonstop12h 05mTurkish Airlines
Mon 9/227:50 amIST - IAH
Nonstop12h 50mTurkish Airlines
Deal found 7/29$853
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/189:00 pmIAH - SAW
1 stop34h 20mBritish Airways
Mon 8/253:00 pmSAW - IAH
1 stop30h 40mBritish Airways
Deal found 7/31$853
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/13:30 pmIAH - IST
1 stop19h 20mBritish Airways
Wed 10/15:35 pmIST - IAH
1 stop28h 10mBritish Airways
Deal found 7/31$856
This Air France deal was found by Cheapflights users on 7/29. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/173:50 pmIAH - IST
2 stops16h 30mKLM
Tue 9/235:05 pmIST - IAH
1 stop28h 10mKLM
Deal found 7/29$857
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1410:00 amIAH - IST
2 stops24h 55mAir Canada
Fri 9/267:15 amIST - IAH
2 stops20h 27mAir Canada
Deal found 7/31$858
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:30 pmIAH - IST
1 stop21h 15mLufthansa
Thu 2/56:30 amIST - IAH
1 stop20h 45mLufthansa
Deal found 7/30$859
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/183:30 pmIAH - SAW
1 stop17h 40mKLM
Mon 9/2912:40 pmSAW - IAH
1 stop32h 35mKLM
Deal found 7/31$860
This Delta deal was found by Cheapflights users on 7/29. 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.
Thu 8/283:30 pmIAH - IST
1 stop25h 50mDelta
Thu 9/184:20 amIST - IAH
1 stop17h 15mDelta
Deal found 7/29$862
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:35 amIAH - SAW
3 stops29h 25mMultiple Airlines
Thu 11/138:55 amSAW - IAH
2 stops32h 37mMultiple Airlines
Deal found 7/29$865
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/143:35 pmIAH - IST
1 stop17h 25mUnited Airlines
Wed 9/242:00 pmIST - IAH
2 stops18h 17mUnited Airlines
Deal found 7/31$871

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 July 31, 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

Tue 9/16

2:27 pm-4:50 pm

1 stop18h 23m

Istanbul

Fri 10/17

4:45 am-10:26 pm

2 stops25h 41m

$852

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Thu 9/18

9:00 pm-5:05 pm

Nonstop12h 05m

Istanbul

Mon 9/22

7:50 am-12:40 pm

Nonstop12h 50m

$853

HoustonIstanbul

IAH - SAW

IAHSAW

Houston George Bush Intcntl

Mon 8/18

9:00 pm-3:20 pm

1 stop34h 20m

Istanbul Sabiha Gokcen

Mon 8/25

3:00 pm-1:40 pm

1 stop30h 40m

$853

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 9/17

10:00 am-5:10 pm

2 stops23h 10m

Istanbul

Tue 9/23

9:20 pm-7:42 pm

2 stops30h 22m

$854

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Mon 9/1

3:30 pm-6:50 pm

1 stop19h 20m

Istanbul

Wed 10/1

5:35 pm-1:45 pm

1 stop28h 10m

$856

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 9/17

3:50 pm-4:20 pm

2 stops16h 30m

Istanbul

Tue 9/23

5:05 pm-1:15 pm

1 stop28h 10m

$857

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 12/24

4:30 pm-10:45 pm

1 stop21h 15m

Istanbul

Fri 2/6

6:30 am-6:15 pm

1 stop20h 45m

$859

HoustonIstanbul

IAH - SAW

IAHSAW

Houston George Bush Intcntl

Thu 9/18

3:30 pm-5:10 pm

1 stop17h 40m

Istanbul Sabiha Gokcen

Mon 9/29

12:40 pm-1:15 pm

1 stop32h 35m

$860

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Thu 8/28

3:30 pm-1:20 am

1 stop25h 50m

Istanbul

Wed 9/17

4:20 am-1:35 pm

1 stop17h 15m

$862

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 9/16

3:35 pm-9:20 pm

1 stop21h 45m

Istanbul

Tue 9/23

6:10 am-1:35 pm

1 stop15h 25m

$863

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 20 results
1
2

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 July 25, 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 59 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, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul (average of $923). 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 July 31, 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 July 31, 2025.

The most flights from IAH to TR5 are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 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 July 31, 2025.
See what other customers who have flown with Delta, KLM, and United 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
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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
3,933 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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!
Air Canada
7.1
Good
9,851 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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.

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

    Flying on Turkish Airlines is currently your cheapest option to Istanbul, with prices starting at $853. Additional round-trip tickets that might be worth considering are offered by British Airways and Air Canada, with the lowest prices starting at $853 and $854, respectively. Turkish Airlines is currently priced 23% 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 $430. Lufthansa flights start at $587 while deals on KLM start at $595 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 Turkish Airlines (89%), Pakistan International Airlines (80%) and Thai Airways (78%).

  • 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 $389. On average you can expect to pay $2,175. The most popular route, (Houston George Bush Intcntl - Istanbul), can usually be booked for $716.

  • 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, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul (average of $923). 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$698Average$1,093FlexibilityNo cancel feeOn-time70%
DeltaCheapest$720Average$1,060FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$815Average$969FlexibilityNo cancel feeOn-time68%
LufthansaCheapest$857Average$1,145FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$859Average$1,327FlexibilityNo cancel feeOn-time69%
KLMCheapest$865Average$1,441FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$898Average$1,135FlexibilityNo cancel feeOn-time77%

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