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Cheap flights from Houston George Bush Intcntl Airport to Istanbul Airport from £426

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 29/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — IST
3 Jun — 10 Jun1
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 4 May 2026.

Thu 20/815:15
IAH
-
IST
2 stops28h 15m
Delta
Wed 9/917:20
IST
-
IAH
1 stop27h 55m
Delta
Deal found 4/5£680
Thu 20/815:55
IAH
-
IST
1 stop27h 35m
Delta
Mon 31/817:20
IST
-
IAH
1 stop27h 55m
Delta
Deal found 1/5£687
Sun 2/814:35
IAH
-
IST
2 stops28h 55m
Delta
Sun 16/806:00
IST
-
IAH
1 stop15h 20m
Delta
Deal found 30/4£687
Mon 17/815:40
IAH
-
IST
2 stops27h 50m
Delta
Sun 30/817:20
IST
-
IAH
1 stop27h 55m
Delta
Deal found 30/4£688
Sun 30/814:27
IAH
-
IST
2 stops29h 03m
Delta
Wed 16/904:25
IST
-
IAH
1 stop17h 15m
Delta
Deal found 4/5£693
Tue 29/915:40
IAH
-
IST
2 stops27h 50m
Delta
Wed 7/1017:20
IST
-
IAH
1 stop27h 55m
Delta
Deal found 30/4£693
Wed 2/913:15
IAH
-
IST
2 stops30h 15m
Delta
Sat 12/904:25
IST
-
IAH
1 stop17h 15m
Delta
Deal found 4/5£697
Sun 1/1115:30
IAH
-
IST
1 stop16h 25m
KLM
Sun 15/1117:55
IST
-
IAH
1 stop28h 35m
KLM
Deal found 4/5£698
Tue 1/914:35
IAH
-
IST
2 stops28h 55m
Delta
Wed 30/917:20
IST
-
IAH
1 stop27h 55m
Delta
Deal found 30/4£699

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 4 May 2026.

Round-trip from

£680

One-way from

£426

Popular in

June

Cheapest in

March

Average price

£963

Good round-trip deal

£1,554 or less
Delta
  • Delta
  • 20/8-31/8
  • 3 total stops
  • 56h 10m total
  • Houston to Istanbul
Search Deals
Delta
  • Delta
  • 29/7
  • 1 total stop
  • 25h 55m total
  • Houston to Istanbul
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£174 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£21 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 4 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

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Thu 20/8

15:15-03:30

2 stops28h 15m

Istanbul

Wed 9/9

17:20-13:15

1 stop27h 55m

£680

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 20/9

15:25-03:30

2 stops28h 05m

Istanbul

Tue 29/9

17:20-13:15

1 stop27h 55m

£693

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 15/9

14:35-03:30

2 stops28h 55m

Istanbul

Mon 28/9

17:20-13:15

1 stop27h 55m

£693

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 30/8

14:27-03:30

2 stops29h 03m

Istanbul

Wed 16/9

04:25-13:40

1 stop17h 15m

£693
Fastest return journey

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Fri 2/10

15:55-03:30

1 stop27h 35m

Istanbul

Fri 9/10

06:00-13:15

1 stop15h 15m

£744

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Fri 28/8

15:40-03:30

2 stops27h 50m

Istanbul

Fri 11/9

04:25-23:51

2 stops27h 26m

£744

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 21/7

15:27-03:30

2 stops28h 03m

Istanbul

Fri 31/7

06:00-21:35

2 stops23h 35m

£774

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 29/9

15:20-01:20

1 stop26h 00m

Istanbul

Tue 13/10

04:25-13:40

1 stop17h 15m

£778

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Thu 23/7

17:05-03:30

1 stop26h 25m

Istanbul

Fri 7/8

04:25-13:40

1 stop17h 15m

£817
Cheapest one-way

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 16/8

15:25-01:20

1 stop25h 55m

£426

Flights are sorted by cheapest return flights first.

Deals found on 30/4

Showing 1-10 of 16 resultsSorted by cheapest first
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?

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 £593). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of £1,070). 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 4 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 and KLM can get you from Houston George Bush Intcntl Airport to Istanbul Airport in just under 26h. Your travel time can differ by up to 1h 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 (70%), Thai Airways (68%), IndiGo( 68%).

  • 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 £913. On average you can expect to pay £1,920. The most popular route, (Houston George Bush Intcntl - Istanbul), can usually be booked for £1,081.

  • 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 £593). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of £1,070). 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

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Cheapflights makes it easy to find George Bush Intcntl to Istanbul flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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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