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Cheap flights from Houston George Bush Intcntl Airport to Istanbul Airport from £351

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 28/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — IST
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Houston George Bush Intcntl to Istanbul are usually found in September or October, booked 59 days in advance, depart on a Tuesday or Monday 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 (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 31 October 2025.

Round-trip from

£556

One-way from

£351

Popular in

June

Cheapest in

September

Average price

£709

Good round-trip deal

£736 or less

Good one-way deal

£349 or less
Delta
  • Delta
  • 7/12-22/12
  • 3 total stops
  • 52h 46m total
  • Houston to Istanbul
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United Airlines
  • United Airlines
  • 28/11
  • 1 total stop
  • 18h 50m total
  • Houston to Istanbul
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Highest demand for flights based on searches. 18% potential increase in price (£146 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£25 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Houston George Bush Intcntl to Istanbul.
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Price to beat on a one-way flight from Houston George Bush Intcntl to Istanbul.
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Find flight deals from George Bush Intcntl to Istanbul

Enter your travel dates to find the best prices.

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 31 October 2025.

Fri 5/1215:30IAH - IST
1 stop16h 25mKLM
Tue 16/1204:50IST - IAH
2 stops21h 54mKLM
Deal found 31/10£553
Sun 7/1218:39IAH - IST
2 stops24h 11mDelta
Mon 22/1217:55IST - IAH
1 stop28h 35mDelta
Deal found 30/10£556
Wed 3/1213:36IAH - IST
2 stops18h 19mKLM
Mon 8/1204:50IST - IAH
2 stops21h 57mKLM
Deal found 29/10£560
Tue 9/1216:05IAH - IST
1 stop26h 45mDelta
Tue 16/1204:50IST - IAH
1 stop18h 05mDelta
Deal found 30/10£562
Sat 8/1121:05IAH - IST
Nonstop12h 00mTurkish Airlines
Wed 26/1109:00IST - IAH
Nonstop13h 10mTurkish Airlines
Deal found 29/10£563
Tue 9/1206:10IAH - IST
2 stops25h 45mDelta
Tue 23/1204:50IST - IAH
2 stops28h 01mDelta
Deal found 30/10£564
Tue 25/1115:30IAH - IST
1 stop16h 25mKLM
Mon 15/1204:50IST - IAH
2 stops21h 54mKLM
Deal found 29/10£568
Tue 18/1115:30IAH - IST
1 stop16h 25mKLM
Thu 20/1104:50IST - IAH
1 stop18h 05mKLM
Deal found 30/10£572
Thu 13/1118:55IAH - IST
1 stop14h 10mUnited Airlines
Tue 25/1106:30IST - IAH
1 stop17h 05mUnited Airlines
Deal found 30/10£577
Wed 12/1114:55IAH - IST
Nonstop11h 50mTurkish Airlines
Mon 24/1114:50IST - IAH
Nonstop13h 20mTurkish Airlines
Deal found 29/10£578

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 31 October 2025.
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

George Bush Intcntl

Fly to

Istanbul

Route

Depart

Return

Price

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 1/2

14:55-11:45

Nonstop11h 50m

Istanbul

Sun 8/2

14:50-19:10

Nonstop13h 20m

£560

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 29/3

21:10-17:15

Nonstop12h 05m

Istanbul

Sat 11/4

14:10-19:15

Nonstop13h 05m

£560

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 25/11

16:13-16:55

2 stops15h 42m

Istanbul

Mon 15/12

04:50-17:44

2 stops21h 54m

£571

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Thu 13/11

18:55-18:05

1 stop14h 10m

Istanbul

Sun 23/11

06:30-18:15

1 stop20h 45m

£577

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 1/3

15:30-16:55

1 stop16h 25m

Istanbul

Sun 15/3

17:55-14:55

2 stops29h 00m

£579

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 18/11

12:59-16:55

2 stops18h 56m

Istanbul

Thu 20/11

04:50-13:55

1 stop18h 05m

£580

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 19/11

15:30-16:55

1 stop16h 25m

Istanbul

Tue 2/12

17:55-13:30

1 stop28h 35m

£588

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 18/11

12:59-03:50

2 stops29h 51m

Istanbul

Wed 26/11

04:50-13:55

1 stop18h 05m

£590

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 3/3

09:40-16:55

2 stops22h 15m

Istanbul

Thu 5/3

17:55-13:30

1 stop28h 35m

£593

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Thu 13/11

16:05-03:50

1 stop26h 45m

Istanbul

Wed 26/11

04:50-13:55

1 stop18h 05m

£596

Flights are sorted by cheapest return flights first.

Deals found on 30/10

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 return 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?

Use this chart to determine the optimal time to book a return flight from George Bush Intcntl to Istanbul. Price data was last updated on 24 October 2025.

To ensure you get the cheapest price possible for a flight from Houston George Bush Intcntl Airport to Istanbul Airport, 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 Airport?

Currently, April is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul Airport (average of £495). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of £814). 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 31 October 2025.

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 for a return flight 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 31 October 2025.
See what other customers who have flown with Turkish Airlines from Houston George Bush Intcntl Airport to Istanbul Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.3
Good
4,031 reviews
Check prices

Comfort

7.3

Entertainment

7.4

Food

7.4

Overall

7.3

Crew

7.7

Boarding

7.3

Reviews

1 / 20
6.0
Good

Christina,Sept 2025

DTW - IST

Crew was fine but the plane seemed smaller like the seats were very crammed in for an international flight. I’m a small person and it felt suffocating to me.
Turkish Airlines
7.3
Good
4,031 reviews
Turkish Airlines
7.3
Good
4,031 reviews
Check prices

Comfort

7.3

Entertainment

7.4

Food

7.4

Overall

7.3

Crew

7.7

Boarding

7.3

Reviews

1 / 20
6.0
Good

Christina,Sept 2025

DTW - IST

Crew was fine but the plane seemed smaller like the seats were very crammed in for an international flight. I’m a small person and it felt suffocating to me.

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?

    Turkish Airlines, KLM, and United Airlines can get you from Houston George Bush Intcntl Airport to Istanbul Airport in just under 12h 05m. Your travel time can differ by up to 3h 37m. The distance from Houston George Bush Intcntl Airport to Istanbul Airport is about 6353 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Houston George Bush Intcntl Airport to Istanbul Airport round-trip?

    Our cheapest airline available from Houston George Bush Intcntl Airport to Istanbul Airport is Turkish Airlines. Our recent data shows that you can find tickets from as low as £782 on this airline. This flight start at 7% lower than the current average price 3 months from now.

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

    Before booking your flight to Istanbul Airport from Houston George Bush Intcntl Airport, check out the most reliable airlines to get you to your destination on time: Turkish Airlines (82%), Pakistan International Airlines (73%), Thai Airways( 73%).

  • 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 £339. On average you can expect to pay £725. The most popular route, (Houston George Bush Intcntl - Istanbul), can usually be booked for £1,112.

  • 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 holiday 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, April is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul Airport (average of £495). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of £814). 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.
Hobby to Istanbul flights

Top airline flying from George Bush Intcntl to Istanbul

Discover the top airline 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 858,174 searches. Data last updated 31 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest£782Average£925FlexibilityNo cancel feeOn-time77%
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Need flexible booking options for your flight to Istanbul from George Bush Intcntl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from George Bush Intcntl to Istanbul become cheaper?

Yes! Start tracking prices for George Bush Intcntl to Istanbul flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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