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Cheap flights from Houston George Bush Intcntl Airport to Istanbul Airport from £321

IAH — IST
28 Sep — 5 Oct1
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

Wed 2/1218:50 -
1 stop18h 55m
Thu 10/1206:30 -
1 stop16h 30m
Deal found 24/8£601
Mon 7/1221:40 -
1 stop17h 25m
Wed 16/1215:00 -
1 stop32h 05m
Deal found 24/8£602
Wed 2/1218:44 -
2 stops19h 01m
Tue 15/1206:30 -
1 stop16h 30m
Deal found 24/8£604
Sun 6/1216:10 -
1 stop21h 35m
Thu 10/1206:30 -
2 stops24h 25m
Deal found 24/8£609
Mon 14/1221:40 -
1 stop31h 15m
Tue 22/1214:55 -
1 stop32h 10m
Deal found 29/8£635
Thu 3/1216:10 -
1 stop17h 00m
Tue 15/1206:30 -
1 stop16h 30m
Deal found 24/8£638
Thu 24/1215:50 -
1 stop16h 50m
Mon 11/118:30 -
1 stop34h 25m
Deal found 24/8£639
Sun 8/1118:50 -
1 stop18h 55m
Fri 20/1106:30 -
1 stop16h 30m
Deal found 25/8£640
Sun 8/1115:50 -
1 stop16h 40m
Fri 27/1108:25 -
1 stop20h 30m
Deal found 28/8£640
Mon 9/1121:40 -
1 stop35h 10m
Fri 20/1108:25 -
1 stop20h 30m
Deal found 25/8£641

Find flight deals from George Bush Intcntl to Istanbul

Round-trip from

£601

One-way from

£321

Popular in

June

Cheapest in

March

Average price

£723

Good round-trip deal

£516 or less
United Airlines
  • United Airlines
  • 6/12-11/12
  • 2 total stops
  • 38h 05m total
  • Houston to Istanbul
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United Airlines
  • United Airlines
  • 15/12
  • 2 total stops
  • 25h 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).
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Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
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Average for round-trip flights in August 2026
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Price to beat on a round-trip flight from Houston George Bush Intcntl to Istanbul.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Istanbul Airport that are best for you.

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Cheapest return flight

HoustonIstanbul

IAH Houston George Bush Intcntl - IST Istanbul

IAHIST

Houston George Bush Intcntl

Wed 20/1

06:45-22:45

2 stops31h 00m

Istanbul

Fri 29/1

06:30-14:00

1 stop16h 30m

£610

HoustonIstanbul

IAH Houston George Bush Intcntl - IST Istanbul

IAHIST

Houston George Bush Intcntl

Wed 20/1

16:13-00:25

2 stops23h 12m

Istanbul

Fri 29/1

08:25-19:55

1 stop20h 30m

£610

HoustonIstanbul

IAH Houston George Bush Intcntl - IST Istanbul

IAHIST

Houston George Bush Intcntl

Tue 3/11

17:00-01:00

2 stops23h 00m

Istanbul

Tue 10/11

07:40-19:55

1 stop21h 15m

£644

HoustonIstanbul

IAH Houston George Bush Intcntl - IST Istanbul

IAHIST

Houston George Bush Intcntl

Sun 18/10

14:51-21:35

2 stops22h 44m

Istanbul

Sun 1/11

06:30-21:13

2 stops22h 43m

£687

HoustonIstanbul

IAH Houston George Bush Intcntl - IST Istanbul

IAHIST

Houston George Bush Intcntl

Sun 24/1

21:00-18:00

Nonstop12h 00m

Istanbul

Sun 31/1

14:50-19:05

Nonstop13h 15m

£738

HoustonIstanbul

IAH Houston George Bush Intcntl - IST Istanbul

IAHIST

Houston George Bush Intcntl

Sat 12/9

11:48-12:35

2 stops40h 47m

Istanbul

Sun 27/9

13:50-19:24

2 stops37h 34m

£750
Fastest return journey

HoustonIstanbul

IAH Houston George Bush Intcntl - IST Istanbul

IAHIST

Houston George Bush Intcntl

Fri 2/10

21:15-17:10

Nonstop11h 55m

Istanbul

Fri 9/10

14:25-19:20

Nonstop12h 55m

£753

HoustonIstanbul

IAH Houston George Bush Intcntl - IST Istanbul

IAHIST

Houston George Bush Intcntl

Fri 9/10

15:35-21:25

1 stop21h 50m

Istanbul

Sun 18/10

05:50-08:27

2 stops34h 37m

£769

HoustonIstanbul

IAH Houston George Bush Intcntl - IST Istanbul

IAHIST

Houston George Bush Intcntl

Sat 14/11

21:00-18:00

Nonstop12h 00m

Istanbul

Sat 28/11

09:00-13:10

Nonstop13h 10m

£769

HoustonIstanbul

IAH Houston George Bush Intcntl - IST Istanbul

IAHIST

Houston George Bush Intcntl

Thu 10/9

15:25-16:20

1 stop16h 55m

Istanbul

Thu 24/9

04:25-15:54

2 stops19h 29m

£784

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 22 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

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 £1,083). 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?

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?

Airfare is below average for this route at the moment.

Houston George Bush Intcntl Airport to Istanbul Airport flights typically cost between £645 and £774 in December.
The cheapest return price found within the last 5 days was £601 on United Airlines (2 Dec–10 Dec).

Related info for your journey

  • How long is the flight from Houston George Bush Intcntl Airport to Istanbul Airport?

    British Airways, United Airlines, and Turkish Airlines can get you from Houston George Bush Intcntl Airport to Istanbul Airport in just under 12h. Your travel time can differ by up to 19h. 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 (71%), IndiGo (71%), Pakistan International Airlines( 65%).

  • 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 £449. On average you can expect to pay £615. The most popular route, (Houston George Bush Intcntl - Istanbul), can usually be booked for £1,080.

  • 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 £1,083). 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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