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Cheap flights from Houston George Bush Intcntl Airport to Istanbul Airport from £328

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — IST
19 Mar — 26 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Houston George Bush Intcntl to Istanbul are usually found in January or February, booked 51 days in advance, depart on a Thursday or Tuesday and return on a Monday

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 17 February 2026.

Mon 28/1215:30
IAH
-
IST
1 stop16h 25m
KLM
Fri 8/104:50
IST
-
IAH
1 stop18h 05m
KLM
Deal found 15/2£532
Wed 18/316:30
IAH
-
IST
1 stop16h 25m
KLM
Tue 24/304:50
IST
-
IAH
1 stop18h 05m
KLM
Deal found 16/2£533
Mon 2/315:30
IAH
-
IST
1 stop16h 25m
KLM
Sat 7/317:55
IST
-
IAH
1 stop28h 35m
KLM
Deal found 15/2£534
Sat 28/215:30
IAH
-
IST
1 stop16h 25m
Multiple Airlines
Tue 17/304:50
IST
-
IAH
2 stops21h 38m
Multiple Airlines
Deal found 14/2£540
Tue 10/317:05
IAH
-
IST
1 stop26h 45m
KLM
Thu 26/304:50
IST
-
IAH
1 stop18h 05m
KLM
Deal found 14/2£542
Fri 27/216:05
IAH
-
IST
1 stop26h 45m
KLM
Thu 5/304:50
IST
-
IAH
1 stop18h 05m
KLM
Deal found 14/2£543
Sun 1/316:05
IAH
-
IST
1 stop26h 45m
Multiple Airlines
Tue 3/304:50
IST
-
IAH
2 stops22h 36m
Multiple Airlines
Deal found 15/2£548
Mon 16/316:30
IAH
-
IST
1 stop16h 25m
KLM
Thu 26/304:50
IST
-
IAH
1 stop18h 05m
KLM
Deal found 17/2£554
Tue 10/317:05
IAH
-
IST
1 stop26h 45m
KLM
Thu 19/304:50
IST
-
IAH
1 stop18h 05m
KLM
Deal found 16/2£561
Sun 15/317:05
IAH
-
IST
1 stop26h 45m
KLM
Mon 23/304:50
IST
-
IAH
1 stop18h 05m
KLM
Deal found 15/2£562
Sun 19/415:20
IAH
-
IST
1 stop26h 00m
KLM
Wed 29/404:25
IST
-
IAH
1 stop17h 10m
KLM
Deal found 16/2£564

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 17 February 2026.

Round-trip from

£533

One-way from

£328

Popular in

June

Cheapest in

January

Average price

£624
KLM
  • KLM
  • 18/3-24/3
  • 2 total stops
  • 34h 30m total
  • Houston to Istanbul
Search Deals
1/3
  • 1/3
  • 3 total stops
  • 33h 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. 5% potential price decrease (£28 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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 17 February 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

George Bush Intcntl

Fly to

Istanbul

Route

Depart

Return

Price

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Thu 26/3

16:30-16:55

1 stop16h 25m

Istanbul

Tue 31/3

04:25-13:35

1 stop17h 10m

£533

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sat 28/2

15:30-16:55

1 stop16h 25m

Istanbul

Tue 17/3

17:55-14:30

1 stop28h 35m

£534

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Mon 2/3

15:30-16:55

1 stop16h 25m

Istanbul

Sat 7/3

17:55-13:30

1 stop28h 35m

£534

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sat 28/2

15:30-16:55

1 stop16h 25m

Istanbul

Tue 17/3

04:50-18:28

2 stops21h 38m

£540

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 10/3

17:05-03:50

1 stop26h 45m

Istanbul

Thu 26/3

04:50-14:55

1 stop18h 05m

£542

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 1/3

16:05-03:50

1 stop26h 45m

Istanbul

Tue 3/3

04:50-18:26

2 stops22h 36m

£548

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Mon 16/3

16:30-16:55

1 stop16h 25m

Istanbul

Mon 23/3

04:50-14:55

1 stop18h 05m

£561

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Mon 20/4

15:20-16:20

1 stop17h 00m

Istanbul

Fri 1/5

04:25-13:35

1 stop17h 10m

£565

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sat 11/4

15:20-01:20

1 stop26h 00m

Istanbul

Mon 20/4

17:20-13:15

1 stop27h 55m

£566

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 1/4

15:20-01:20

1 stop26h 00m

Istanbul

Wed 15/4

04:25-13:35

1 stop17h 10m

£573

Flights are sorted by cheapest return flights first.

Deals found on 15/2

Showing 1-10 of 21 results
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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?

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 13 February 2026.

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 51 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, December is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul Airport (average of £439). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of £765). 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 17 February 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?

    KLM can get you from Houston George Bush Intcntl Airport to Istanbul Airport in just under 16h 25m. Your travel time can differ by up to . The distance from Houston George Bush Intcntl Airport to Istanbul Airport is about 6353 mi.

  • 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 (85%), Thai Airways (69%), IndiGo( 69%).

  • 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, December is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul Airport (average of £439). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of £765). 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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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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