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$422+ Cheap flights from George Bush Intcntl (IAH) to Istanbul (IST)

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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — IST
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Istanbul are usually found in October or September, booked 75 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap 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 August 13, 2025.

Round-trip from

$833
(Cheapflightsfares)

One-way from

$422
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,065

Good round-trip deal

$758 or less

Good one-way deal

$441 or less
From Houston George Bush Intcntl to Istanbul
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One-way flight from Houston George Bush Intcntl to Istanbul
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Highest demand for flights based on searches. 17% potential increase in price ($243 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Houston George Bush Intcntl to Istanbul.
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Price to beat on a one-way flight from Houston George Bush Intcntl to Istanbul.
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Find flight deals from George Bush Intcntl to Istanbul

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 August 13, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/49:00 pmIAH - IST
Nonstop12h 05mTurkish Airlines
Fri 10/177:50 amIST - IAH
Nonstop12h 50mTurkish Airlines
Deal found 8/12$833
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:55 pmIAH - IST
1 stop18h 50mUnited Airlines
Tue 1/206:30 amIST - IAH
1 stop20h 45mUnited Airlines
Deal found 8/12$834
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/84:04 pmIAH - IST
2 stops27h 21mDelta
Tue 9/164:20 amIST - IAH
1 stop17h 15mDelta
Deal found 8/11$835
This Cheapflightsfares deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/82:25 pmIAH - IST
Nonstop11h 55mTurkish Airlines
Mon 10/207:50 amIST - IAH
Nonstop12h 50mTurkish Airlines
Deal found 8/12$836
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/23:10 pmIAH - IST
2 stops27h 40mDelta
Thu 11/204:50 amIST - IAH
1 stop18h 05mDelta
Deal found 8/11$837
This Lufthansa deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:36 pmIAH - IST
2 stops19h 09mLufthansa
Tue 11/186:30 amIST - IAH
1 stop17h 05mLufthansa
Deal found 8/11$838
This KAYAK deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/34:30 pmIAH - IST
1 stop21h 15mLufthansa
Fri 12/196:30 amIST - IAH
1 stop17h 05mLufthansa
Deal found 8/12$839
This Air France deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/263:30 pmIAH - IST
1 stop16h 50mMultiple Airlines
Tue 9/304:20 amIST - IAH
1 stop17h 15mMultiple Airlines
Deal found 8/12$840
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:00 pmIAH - IST
Nonstop12h 05mMultiple Airlines
Thu 9/254:45 amIST - IAH
2 stops24h 22mMultiple Airlines
Deal found 8/13$841
This Mytrip deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:45 amIAH - IST
2 stops38h 05mMultiple Airlines
Wed 9/38:15 amIST - IAH
3 stops47h 30mMultiple Airlines
Deal found 8/13$842
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/143:50 pmIAH - IST
1 stop27h 35mDelta
Tue 9/234:20 amIST - IAH
1 stop17h 15mDelta
Deal found 8/12$843
This oojo deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/219:00 pmIAH - IST
Nonstop12h 05mTurkish Airlines
Wed 9/37:50 amIST - IAH
Nonstop12h 50mTurkish Airlines
Deal found 8/11$844

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated August 13, 2025.
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

Wed 12/10

4:30 pm-10:45 pm

1 stop21h 15m

Istanbul

Wed 12/24

3:10 pm-9:39 pm

2 stops39h 29m

$834

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Mon 11/24

6:55 pm-5:55 pm

1 stop14h 00m

Istanbul

Wed 1/21

6:30 am-9:39 pm

2 stops24h 09m

$834

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 12/2

6:55 pm-10:45 pm

1 stop18h 50m

Istanbul

Tue 1/20

6:30 am-6:15 pm

1 stop20h 45m

$834

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Mon 11/10

11:50 am-5:55 pm

2 stops21h 05m

Istanbul

Mon 11/24

1:50 pm-9:39 pm

2 stops40h 49m

$834

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 11/11

6:55 pm-10:45 pm

1 stop18h 50m

Istanbul

Tue 11/25

6:30 am-9:39 pm

2 stops24h 09m

$834

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 11/26

4:30 pm-10:45 pm

1 stop21h 15m

Istanbul

Thu 1/22

6:30 am-6:15 pm

1 stop20h 45m

$834

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 11/26

6:55 pm-6:05 pm

1 stop14h 10m

Istanbul

Wed 1/21

6:30 am-9:39 pm

2 stops24h 09m

$834

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 11/25

4:30 pm-10:45 pm

1 stop21h 15m

Istanbul

Wed 1/21

6:30 am-9:39 pm

2 stops24h 09m

$834

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 11/26

4:30 pm-6:05 pm

1 stop16h 35m

Istanbul

Tue 1/20

6:30 am-9:39 pm

2 stops24h 09m

$834

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Mon 11/10

6:55 pm-10:45 pm

1 stop18h 50m

Istanbul

Wed 12/17

6:30 am-2:35 pm

1 stop17h 05m

$834

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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 round-trip 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 round-trip flight from George Bush Intcntl to Istanbul. Price data was last updated on August 8, 2025.

The best time to book flights from Houston George Bush Intcntl Airport to Istanbul Airport is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul Airport (average of $923). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of $1,359). 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 August 13, 2025.

One of the essential ways to save on airfare from Houston George Bush Intcntl Airport to Istanbul Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 8% on airfare.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to Istanbul Airport?

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to Istanbul. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Istanbul Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Explore weekly flight availability from George Bush Intcntl to Istanbul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 13, 2025.

The most flights from IAH to IST are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Istanbul Airport?

Reviews of airlines servicing Istanbul

Get insights into the airlines that provide service to Istanbul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Istanbul. Reviews last updated August 13, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and Turkish Airlines from Houston George Bush Intcntl Airport to Istanbul Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,920 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Turkish Airlines
7.3
Good
3,942 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,317 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.7
Okay
7,265 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Istanbul Airport round-trip?

    According to our current data, Turkish Airlines ($833), United Airlines ($834), and Delta ($835) offers the cheapest pricing from Houston George Bush Intcntl Airport to Istanbul Airport. Turkish Airlines is priced at 25% lower than the current average price of a flight leaving 3 months from now.

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

    No one likes to see their flight delayed. When booking a flight from Houston George Bush Intcntl Airport to Istanbul Airport consider choosing Turkish Airlines (90%), Thai Airways (80%) or IndiGo (80%) as they are the most reliable in getting you off to your destination on time.

  • 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 $380. On average you can expect to pay $1,485. The most popular route, (Houston George Bush Intcntl - Istanbul), can usually be booked for $711.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul Airport (average of $923). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of $1,359). 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

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Istanbul flights
Hobby to Sabiha Gokcen flights
George Bush Intcntl to Sabiha Gokcen flights

Top 7 airlines flying from George Bush Intcntl to Istanbul

Discover the top 7 airlines that operate flights from George Bush Intcntl to Istanbul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$698Average$1,091FlexibilityNo cancel feeOn-time70%
DeltaCheapest$720Average$1,061FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$815Average$969FlexibilityNo cancel feeOn-time68%
LufthansaCheapest$857Average$1,171FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$859Average$1,327FlexibilityNo cancel feeOn-time69%
KLMCheapest$865Average$1,441FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$885Average$1,136FlexibilityNo cancel feeOn-time77%

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