Which airline has the best punctuality record on Istanbul to Houston flights?

Over the past year, Turkish Airlines have had the lowest number of delays on this route, with just 17% of flights being delayed.

How often are flights from Istanbul to Houston delayed?

About 17% of weekly flights between Istanbul and Houston have experienced delays in the past year, with the average delay time being 103 minutes.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

What is the most punctual flight time for Istanbul to Houston flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

Weekly flight availability from Istanbul Airport to Houston George Bush Intcntl Airport

The most flights from IST to IAH are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport ranges from 81.0 - 150.0 inches per month. June is typically the wettest month, when rainfall can reach 150.0 mm. February is typically the driest time to visit Houston George Bush Intcntl Airport when rainfall is around 81.0 mm.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).

What are the most reliable airlines from Istanbul Airport to Houston George Bush Intcntl Airport?

Before booking your flight to Houston George Bush Intcntl Airport from Istanbul Airport, check out the most reliable airlines to get you to your destination on time: Pakistan International Airlines (72%), Thai Airways (61%), Turkish Airlines( 61%).

Can I find deals for flights from Istanbul to George Bush Intcntl that include hotel bookings?

Yes. In addition to deals on Istanbul to George Bush Intcntl flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Istanbul to George Bush Intcntl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Istanbul to George Bush Intcntl.

Can I find deals for business class flights from Istanbul to George Bush Intcntl?

Yes. Cheapflights offers flight deals from Istanbul to George Bush Intcntl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£327+ Cheap Flights from Istanbul Airport to Houston George Bush Intcntl Airport

Cheap flight deals from Istanbul to George Bush Intcntl

Enter your travel dates to find the best prices.

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Cheapest flights from Istanbul to George Bush Intcntl
Explore the most affordable flight options available from Istanbul to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Thu 29/1016:25 -

2 stops35h 37m

Fri 4/1215:05 -

1 stop16h 50m

Deal found 6/9£448

Sat 14/1116:25 -

2 stops28h 02m

Mon 10/515:20 -

1 stop26h 00m

Deal found 9/9£450

Mon 16/1116:25 -

2 stops36h 46m

Sat 8/517:05 -

1 stop15h 55m

Deal found 9/9£454

Wed 16/906:00 -

1 stop15h 20m

Thu 22/1015:25 -

1 stop16h 55m

Deal found 8/9£505

Tue 13/1004:25 -

1 stop17h 15m

Tue 10/1115:05 -

1 stop16h 50m

Deal found 10/9£505

Thu 17/906:00 -

1 stop15h 20m

Sat 24/1015:25 -

1 stop17h 30m

Deal found 8/9£507

Wed 16/906:00 -

1 stop15h 20m

Fri 23/1014:21 -

2 stops17h 59m

Deal found 8/9£508

Thu 19/1107:15 -

1 stop18h 35m

Thu 21/113:15 -

2 stops18h 40m

Deal found 11/9£509

Thu 17/906:00 -

1 stop15h 20m

Tue 22/915:25 -

1 stop16h 55m

Deal found 7/9£511

Tue 15/906:00 -

1 stop15h 20m

Mon 21/915:25 -

1 stop16h 55m

Deal found 8/9£515

Thu 12/1118:35 -

1 stop28h 30m

Sun 15/1115:50 -

1 stop24h 00m

Deal found 6/9£522

Find flight deals from Istanbul to George Bush Intcntl

Round-trip from	£448
One-way from	£327
Popular in	May
Cheapest in	February
Average price	£545

Delta
29/10-3/12
4 total stops
52h 59m total
Istanbul to Houston

Search Deals

KLM
21/1-31/12
1 total stop
18h 35m total
Istanbul to Houston

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (£25 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

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Cheapflights Fare Finder

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

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IstanbulHouston

IST Istanbul - IAH Houston George Bush Intcntl

ISTIAH

Istanbul

Thu 21/1

07:15-16:50

1 stop18h 35m

Houston George Bush Intcntl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£327

IstanbulHouston

IST Istanbul - IAH Houston George Bush Intcntl

ISTIAH

Istanbul

Thu 21/1

18:35-14:05

1 stop28h 30m

Houston George Bush Intcntl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£332

IstanbulHouston

IST Istanbul - IAH Houston George Bush Intcntl

ISTIAH

Istanbul

Wed 23/9

17:20-13:20

1 stop28h 00m

Houston George Bush Intcntl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£333

IstanbulHouston

IST Istanbul - IAH Houston George Bush Intcntl

ISTIAH

Istanbul

Sun 15/11

08:25-22:27

2 stops23h 02m

Houston George Bush Intcntl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£336

IstanbulHouston

IST Istanbul - IAH Houston George Bush Intcntl

ISTIAH

Istanbul

Thu 5/11

16:25-17:11

2 stops33h 46m

Houston George Bush Intcntl

Sun 7/3

07:00-16:55

2 stops48h 55m

£450

IstanbulHouston

IST Istanbul - IAH Houston George Bush Intcntl

ISTIAH

Istanbul

Thu 31/12

17:55-13:05

1 stop28h 10m

Houston George Bush Intcntl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£504

IstanbulHouston

IST Istanbul - IAH Houston George Bush Intcntl

ISTIAH

Istanbul

Thu 12/11

18:35-19:55

1 stop34h 20m

Houston George Bush Intcntl

Sun 15/11

13:20-00:50

2 stops26h 30m

£523

IstanbulHouston

IST Istanbul - IAH Houston George Bush Intcntl

ISTIAH

Istanbul

Thu 28/1

07:40-19:55

1 stop21h 15m

Houston George Bush Intcntl

Mon 1/2

12:09-17:50

2 stops44h 41m

£525

IstanbulHouston

IST Istanbul - IAH Houston George Bush Intcntl

ISTIAH

Istanbul

Fri 9/10

17:20-13:20

1 stop28h 00m

Houston George Bush Intcntl

Thu 25/2

11:50-16:55

2 stops20h 05m

£527

IstanbulHouston

IST Istanbul - IAH Houston George Bush Intcntl

ISTIAH

Istanbul

Fri 27/11

08:25-00:09

2 stops24h 44m

Houston George Bush Intcntl

Thu 14/1

15:50-01:10

1 stop24h 20m

£528

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 16 resultsSorted by cheapest first

Best time to book a flight from Istanbul to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Istanbul with our price prediction graph.

IST-IAH

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 Istanbul Airport to Houston George Bush Intcntl Airport

Prices

Airlines

Delays

How far ahead should I book a flight from Istanbul Airport to Houston George Bush Intcntl Airport?

Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Istanbul Airport to Houston George Bush Intcntl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Istanbul Airport to Houston George Bush Intcntl Airport?

Currently, February is the cheapest month in which you can book a flight from Istanbul Airport to Houston George Bush Intcntl Airport (average of £495). Flying from Istanbul Airport to Houston George Bush Intcntl Airport in May is currently the most expensive (average of £657). 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 IST to IAH?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Istanbul Airport to Houston George Bush Intcntl Airport as you normally would.

How much does it cost for a return flight from Istanbul Airport to Houston George Bush Intcntl Airport?

Airfare is below average for this route at the moment.

Istanbul Airport to Houston George Bush Intcntl Airport flights typically cost between £487 and £658 in October.
The cheapest return price found within the last 5 days was £448 on Delta (29 Oct–3 Dec).

Related info for your journey

How long is the flight from Istanbul Airport to Houston George Bush Intcntl Airport?
For as low as £505, KLM can have you in Houston George Bush Intcntl Airport from Istanbul Airport in 17h 15m. Istanbul Airport and Houston George Bush Intcntl Airport are separated by a distance of 6353 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most reliable airlines from Istanbul Airport to Houston George Bush Intcntl Airport?
Before booking your flight to Houston George Bush Intcntl Airport from Istanbul Airport, check out the most reliable airlines to get you to your destination on time: Pakistan International Airlines (72%), Thai Airways (61%), Turkish Airlines( 61%).
Can I find deals for flights from Istanbul to George Bush Intcntl that include hotel bookings?
Yes. In addition to deals on Istanbul to George Bush Intcntl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Istanbul to George Bush Intcntl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Istanbul to George Bush Intcntl.
Can I find deals for business class flights from Istanbul to George Bush Intcntl?
Yes. Cheapflights offers flight deals from Istanbul to George Bush Intcntl 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 Istanbul Airport to Houston George Bush Intcntl Airport?
Currently, February is the cheapest month in which you can book a flight from Istanbul Airport to Houston George Bush Intcntl Airport (average of £495). Flying from Istanbul Airport to Houston George Bush Intcntl Airport in May is currently the most expensive (average of £657). 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.

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Cheapflights makes it easy to find Istanbul to George Bush Intcntl 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 Istanbul to George Bush Intcntl?

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 Istanbul to George Bush Intcntl.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Istanbul to George Bush Intcntl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Istanbul to George Bush Intcntl become cheaper?

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Cheap flights from Istanbul Airport to Houston George Bush Intcntl Airport from £327

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Istanbul to George Bush Intcntl

Cheapest flights from Istanbul to George Bush IntcntlExplore the most affordable flight options available from Istanbul to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Explore the most affordable flight options available from Istanbul to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Best flights from Istanbul to George Bush IntcntlDiscover carefully curated flight deals from Istanbul to George Bush Intcntl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Discover carefully curated flight deals from Istanbul to George Bush Intcntl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Direct flights from Istanbul to George Bush IntcntlExplore direct flight options from Istanbul to George Bush Intcntl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 September 2026.

Explore direct flight options from Istanbul to George Bush Intcntl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 September 2026.

Last-minute flights from Istanbul to George Bush IntcntlDiscover last-minute flight deals from Istanbul to George Bush Intcntl. Data last updated 11 September 2026 and is based on user searches.

Discover last-minute flight deals from Istanbul to George Bush Intcntl. Data last updated 11 September 2026 and is based on user searches.

One-way flights from Istanbul to George Bush IntcntlSearch for one-way flight options from Istanbul to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

Search for one-way flight options from Istanbul to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

Find flight deals from Istanbul to George Bush Intcntl

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

Best time to book a flight from Istanbul to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Istanbul with our price prediction graph.

Cheapflights Insights

How far ahead should I book a flight from Istanbul Airport to Houston George Bush Intcntl Airport?

Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Istanbul Airport to Houston George Bush Intcntl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Istanbul Airport to Houston George Bush Intcntl Airport?

What is the cheapest time of day to fly from IST to IAH?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Istanbul Airport to Houston George Bush Intcntl Airport as you normally would.

How much does it cost for a return flight from Istanbul Airport to Houston George Bush Intcntl Airport?

Airfare is below average for this route at the moment.

Istanbul Airport to Houston George Bush Intcntl Airport flights typically cost between £487 and £658 in October.The cheapest return price found within the last 5 days was £448 on Delta (29 Oct–3 Dec).

Weekly flight availability from Istanbul Airport to Houston George Bush Intcntl Airport

The most flights from IST to IAH are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

How often are flights from Istanbul to Houston delayed?

About 17% of weekly flights between Istanbul and Houston have experienced delays in the past year, with the average delay time being 103 minutes.

What is the most punctual flight time for Istanbul to Houston flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Istanbul to Houston flights?

Over the past year, Turkish Airlines have had the lowest number of delays on this route, with just 17% of flights being delayed.

Related info for your journey

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

What are the most reliable airlines from Istanbul Airport to Houston George Bush Intcntl Airport?

Can I find deals for flights from Istanbul to George Bush Intcntl that include hotel bookings?

How can I find direct flights from Istanbul to George Bush Intcntl?

Can I find deals for business class flights from Istanbul to George Bush Intcntl?

What is the cheapest month to book a flight from Istanbul Airport to Houston George Bush Intcntl Airport?

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

Can Cheapflights notify me if prices for flights from Istanbul to George Bush Intcntl become cheaper?

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Cheapest flights from Istanbul to George Bush Intcntl
Explore the most affordable flight options available from Istanbul to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Best flights from Istanbul to George Bush Intcntl
Discover carefully curated flight deals from Istanbul to George Bush Intcntl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Direct flights from Istanbul to George Bush Intcntl
Explore direct flight options from Istanbul to George Bush Intcntl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 September 2026.

Last-minute flights from Istanbul to George Bush Intcntl
Discover last-minute flight deals from Istanbul to George Bush Intcntl. Data last updated 11 September 2026 and is based on user searches.

One-way flights from Istanbul to George Bush Intcntl
Search for one-way flight options from Istanbul to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

Istanbul Airport to Houston George Bush Intcntl Airport flights typically cost between £487 and £658 in October.
The cheapest return price found within the last 5 days was £448 on Delta (29 Oct–3 Dec).