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Cheap flights from Houston George Bush Intcntl Airport to Istanbul Airport from £410

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — IST
14 Aug — 21 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap 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 15 July 2026.

Tue 1/921:10
IAH
-
IST
Nonstop12h 00m
Turkish Airlines
Wed 30/914:15
IST
-
IAH
Nonstop13h 00m
Turkish Airlines
Deal found 13/7£699
Mon 9/1119:10
IAH
-
IST
1 stop13h 45m
KLM
Fri 13/1107:15
IST
-
IAH
1 stop18h 35m
KLM
Deal found 14/7£701
Tue 17/1116:10
IAH
-
IST
2 stops15h 45m
KLM
Sun 22/1107:15
IST
-
IAH
1 stop18h 35m
KLM
Deal found 11/7£704
Mon 9/1117:35
IAH
-
IST
1 stop40h 05m
Qatar Airways
Thu 12/1120:10
IST
-
IAH
1 stop28h 05m
Qatar Airways
Deal found 13/7£708
Fri 13/1115:05
IAH
-
IST
1 stop16h 50m
Multiple Airlines
Fri 27/1107:15
IST
-
IAH
2 stops24h 33m
Multiple Airlines
Deal found 12/7£708
Tue 1/918:15
IAH
-
IST
1 stop40h 20m
Qatar Airways
Thu 15/1013:45
IST
-
IAH
1 stop34h 10m
Qatar Airways
Deal found 14/7£709
Thu 1/1018:15
IAH
-
IST
1 stop40h 20m
Qatar Airways
Mon 5/1020:05
IST
-
IAH
1 stop27h 50m
Qatar Airways
Deal found 13/7£717
Thu 10/1215:25
IAH
-
IST
1 stop16h 30m
KLM
Thu 24/1207:15
IST
-
IAH
1 stop18h 35m
KLM
Deal found 12/7£722
Sun 30/821:10
IAH
-
IST
Nonstop12h 00m
Turkish Airlines
Mon 14/907:50
IST
-
IAH
Nonstop12h 55m
Turkish Airlines
Deal found 13/7£729
Fri 6/1115:05
IAH
-
IST
2 stops17h 50m
KLM
Sun 22/1107:15
IST
-
IAH
2 stops22h 55m
KLM
Deal found 15/7£731

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 15 July 2026.

Round-trip from

£699

One-way from

£410

Popular in

June

Cheapest in

March

Average price

£986

Good round-trip deal

£1,155 or less
Turkish Airlines
  • Turkish Airlines
  • 19/8-26/8
  • Nonstop
  • 25h 00m total
  • Houston to Istanbul
Search Deals
Qatar Airways
  • Qatar Airways
  • 6/9
  • 1 total stop
  • 28h 05m total
  • Houston to Istanbul
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£184 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Houston George Bush Intcntl to Istanbul.
Search Deals

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 15 July 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 return flight
Fastest return journey

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 1/9

21:10-17:10

Nonstop12h 00m

Istanbul

Thu 15/10

14:15-19:15

Nonstop13h 00m

£699

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 1/9

21:10-17:10

Nonstop12h 00m

Istanbul

Wed 30/9

14:15-19:15

Nonstop13h 00m

£699

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 30/9

21:10-17:10

Nonstop12h 00m

Istanbul

Sun 11/10

14:15-19:15

Nonstop13h 00m

£744

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 1/9

15:25-16:20

1 stop16h 55m

Istanbul

Thu 15/10

06:00-17:29

2 stops19h 29m

£766

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Thu 6/8

21:10-17:10

Nonstop12h 00m

Istanbul

Wed 16/9

14:15-19:15

Nonstop13h 00m

£781

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Mon 7/9

15:55-16:20

2 stops16h 25m

Istanbul

Tue 22/9

06:00-17:32

2 stops19h 32m

£787

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Mon 3/8

18:15-11:55

1 stop33h 40m

Istanbul

Sun 13/9

20:05-15:55

1 stop27h 50m

£789

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Fri 2/10

11:45-12:35

2 stops40h 50m

Istanbul

Fri 9/10

13:50-23:59

2 stops42h 09m

£790

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 30/8

18:15-06:20

1 stop28h 05m

Istanbul

Wed 16/9

20:05-23:59

2 stops35h 54m

£796

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 1/9

18:15-12:15

1 stop34h 00m

Istanbul

Thu 15/10

20:05-23:59

2 stops35h 54m

£798

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 20 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 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?

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 84 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, March is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul Airport (average of £597). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of £1,093). 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 15 July 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 for a return flight from Houston George Bush Intcntl Airport to Istanbul Airport?

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 Qatar Airways can get you from Houston George Bush Intcntl Airport to Istanbul Airport in just under 12h. Your travel time can differ by up to 22h. The distance from Houston George Bush Intcntl Airport to Istanbul Airport is about 6353 mi. This flight may include one or multiple stops.

  • 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: Thai Airways (77%), IndiGo (77%), Pakistan International Airlines( 72%).

  • 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 £867. On average you can expect to pay £1,168. The most popular route, (Houston George Bush Intcntl - Istanbul), can usually be booked for £1,089.

  • 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, March is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul Airport (average of £597). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of £1,093). 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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Why should you use Cheapflights to find cheap flight tickets from George Bush Intcntl to Istanbul?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from George Bush Intcntl to Istanbul.

Can Cheapflights find flights from George Bush Intcntl to Istanbul with no change fees?

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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