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Cheap flights from Houston George Bush Intcntl Airport to Istanbul Airport from £350

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 30/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — IST
27 Jun — 4 Jul1
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 28 May 2026.

Sat 12/915:55
IAH
-
IST
1 stop27h 35m
Delta
Sun 27/917:20
IST
-
IAH
1 stop27h 55m
Delta
Deal found 27/5£737
Tue 1/915:20
IAH
-
IST
1 stop26h 00m
Delta
Wed 30/906:00
IST
-
IAH
1 stop15h 15m
Delta
Deal found 26/5£740
Sat 19/915:20
IAH
-
IST
2 stops28h 10m
Delta
Wed 30/906:00
IST
-
IAH
1 stop15h 15m
Delta
Deal found 28/5£743
Mon 17/814:30
IAH
-
IST
Nonstop12h 00m
Turkish Airlines
Sun 30/814:15
IST
-
IAH
Nonstop13h 00m
Turkish Airlines
Deal found 28/5£745
Thu 20/814:37
IAH
-
IST
2 stops28h 53m
Delta
Mon 24/817:20
IST
-
IAH
1 stop28h 00m
Delta
Deal found 26/5£747
Fri 2/1015:55
IAH
-
IST
1 stop27h 35m
Delta
Fri 9/1006:00
IST
-
IAH
1 stop15h 15m
Delta
Deal found 28/5£749
Sun 30/815:15
IAH
-
IST
2 stops28h 15m
Delta
Mon 14/906:00
IST
-
IAH
2 stops19h 45m
Delta
Deal found 28/5£750
Fri 2/1014:38
IAH
-
IST
2 stops28h 52m
Delta
Thu 8/1017:20
IST
-
IAH
1 stop27h 55m
Delta
Deal found 27/5£752
Sat 29/821:10
IAH
-
IST
Nonstop12h 00m
Turkish Airlines
Mon 31/814:15
IST
-
IAH
Nonstop13h 00m
Turkish Airlines
Deal found 27/5£759

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 28 May 2026.

Round-trip from

£737

One-way from

£350

Popular in

June

Cheapest in

March

Average price

£982

Good round-trip deal

£951 or less
Delta
  • Delta
  • 12/9-27/9
  • 2 total stops
  • 55h 30m total
  • Houston to Istanbul
Search Deals
30/10
  • 30/10
  • 3 total stops
  • 33h 05m total
  • Houston to Istanbul
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£185 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 28 May 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

Sun 20/9

14:15-19:15

Nonstop13h 00m

£745

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 5/8

15:55-03:30

1 stop27h 35m

Istanbul

Sat 15/8

04:25-13:40

1 stop17h 15m

£774

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sat 15/8

21:10-17:10

Nonstop12h 00m

Istanbul

Tue 1/9

14:15-19:15

Nonstop13h 00m

£782

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 16/8

21:10-17:10

Nonstop12h 00m

Istanbul

Fri 28/8

14:15-19:15

Nonstop13h 00m

£782

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sat 13/6

15:25-01:20

1 stop25h 55m

Istanbul

Sun 28/6

17:20-13:20

1 stop28h 00m

£785

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Fri 7/8

15:15-03:30

2 stops28h 15m

Istanbul

Sat 15/8

04:25-13:40

1 stop17h 15m

£805

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Fri 14/8

21:10-17:10

Nonstop12h 00m

Istanbul

Wed 2/9

14:15-19:15

Nonstop13h 00m

£812

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Mon 13/7

14:35-03:30

2 stops28h 55m

Istanbul

Thu 23/7

06:00-22:24

2 stops24h 24m

£817

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 16/8

21:10-17:10

Nonstop12h 00m

Istanbul

Sun 30/8

14:15-19:15

Nonstop13h 00m

£827

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 10/6

15:25-01:20

1 stop25h 55m

Istanbul

Sat 13/6

17:20-13:20

1 stop28h 00m

£855

Flights are sorted by cheapest return flights first.

Deals found on 26/5

Showing 1-10 of 19 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 £598). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of £1,096). 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 28 May 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?

    Delta, Turkish Airlines, and KLM can get you from Houston George Bush Intcntl Airport to Istanbul Airport in just under 12h. Your travel time can differ by up to 15h 35m. 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: Pakistan International Airlines (63%), Thai Airways (63%), IndiGo( 63%).

  • 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 £806. On average you can expect to pay £1,936. The most popular route, (Houston George Bush Intcntl - Istanbul), can usually be booked for £1,090.

  • 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 £598). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of £1,096). 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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