HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Istanbul

$289+ Cheap flights from Houston 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — IST
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Houston to Istanbul with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Houston to Istanbul are usually found in October or September, booked 12 days in advance, depart on a Sunday or Tuesday and return on a Thursday

Cheap flight deals from Houston to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) 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 November 20, 2025.

Round-trip from

$694
(Air France)

One-way from

$289
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$978
From Houston to Istanbul
Search Deals
One-way flight from Houston to Istanbul
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($236 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Houston to Istanbul

Cheapest flights from Houston to Istanbul
Explore the most affordable flight options available from Houston to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This KLM deal was found by Cheapflights users on 11/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/253:30 pmIAH - IST
1 stop16h 25mKLM
Mon 1/125:55 pmIST - IAH
1 stop28h 35mKLM
Deal found 11/19$720
This KLM deal was found by Cheapflights users on 11/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/93:30 pmIAH - IST
1 stop16h 25mKLM
Sat 2/284:50 amIST - IAH
1 stop18h 05mKLM
Deal found 11/17$724
This KLM deal was found by Cheapflights users on 11/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/53:30 pmIAH - IST
1 stop16h 25mKLM
Fri 12/125:55 pmIST - IAH
1 stop28h 35mKLM
Deal found 11/20$725
This Air France deal was found by Cheapflights users on 11/17. 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 12/93:30 pmIAH - IST
1 stop16h 25mMultiple Airlines
Thu 2/264:50 amIST - IAH
2 stops22h 29mMultiple Airlines
Deal found 11/17$733
This Air France deal was found by Cheapflights users on 11/17. 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.
Fri 12/53:30 pmIAH - IST
1 stop16h 25mKLM
Wed 12/105:55 pmIST - IAH
2 stops32h 49mKLM
Deal found 11/17$736
This KLM deal was found by Cheapflights users on 11/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:30 pmIAH - IST
1 stop16h 25mKLM
Tue 12/234:50 amIST - IAH
1 stop18h 05mKLM
Deal found 11/18$739
This KLM deal was found by Cheapflights users on 11/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/93:30 pmIAH - IST
1 stop16h 25mKLM
Tue 12/235:55 pmIST - IAH
1 stop28h 35mKLM
Deal found 11/17$741
This KLM deal was found by Cheapflights users on 11/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/114:05 pmIAH - IST
1 stop26h 45mKLM
Wed 12/244:50 amIST - IAH
1 stop18h 05mKLM
Deal found 11/19$751
This KLM deal was found by Cheapflights users on 11/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/114:05 pmIAH - IST
1 stop26h 45mKLM
Sat 2/284:50 amIST - IAH
1 stop18h 05mKLM
Deal found 11/17$765
This Delta deal was found by Cheapflights users on 11/19. 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.
Wed 12/313:25 pmHOU - IST
2 stops27h 25mDelta
Thu 1/155:55 pmIST - HOU
2 stops37h 38mDelta
Deal found 11/19$898
This Air France deal was found by Cheapflights users on 11/19. 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.
Wed 11/262:32 pmHOU - IST
2 stops17h 23mMultiple Airlines
Wed 12/34:50 amIST - HOU
2 stops22h 02mMultiple Airlines
Deal found 11/19$1,027
This Air France deal was found by Cheapflights users on 11/19. 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.
Wed 11/262:32 pmHOU - IST
2 stops17h 23mKLM
Fri 12/55:55 pmIST - HOU
2 stops32h 38mKLM
Deal found 11/19$1,029

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston 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 November 20, 2025.
Use the filters below to find and compare flights from Houston to Istanbul Airport that are best for you.

Fly from

Houston

Fly to

Istanbul

Route

Depart

Return

Price

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Fri 12/5

3:30 pm-4:55 pm

1 stop16h 25m

Istanbul

Wed 12/10

5:55 pm-1:30 pm

1 stop28h 35m

$726

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 2/1

3:30 pm-4:55 pm

1 stop16h 25m

Istanbul

Fri 2/6

5:55 pm-1:30 pm

1 stop28h 35m

$726

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 2/18

3:03 pm-4:55 pm

2 stops16h 52m

Istanbul

Fri 2/20

4:50 am-1:55 pm

1 stop18h 05m

$728

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Mon 1/12

4:05 pm-3:50 am

1 stop26h 45m

Istanbul

Thu 1/15

5:55 pm-1:30 pm

1 stop28h 35m

$736

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 1/14

3:03 pm-4:55 pm

2 stops16h 52m

Istanbul

Sat 1/17

4:50 am-8:09 pm

2 stops24h 19m

$738

HoustonIstanbul

HOU - IST

HOUIST

Houston Hobby

Sun 3/29

1:00 pm-4:20 pm

2 stops19h 20m

Istanbul

Tue 4/7

4:25 am-4:32 pm

2 stops20h 07m

$783

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 1/21

9:05 pm-6:05 pm

Nonstop12h 00m

Istanbul

Wed 2/18

2:50 pm-7:10 pm

Nonstop13h 20m

$813

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 1/21

6:55 pm-6:05 pm

1 stop14h 10m

Istanbul

Fri 2/20

6:30 am-2:10 pm

1 stop16h 40m

$819

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 1/21

12:10 pm-6:05 pm

2 stops20h 55m

Istanbul

Wed 2/18

6:30 am-2:10 pm

1 stop16h 40m

$819

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 1/21

6:55 pm-6:05 pm

1 stop14h 10m

Istanbul

Thu 2/19

6:30 am-6:15 pm

1 stop20h 45m

$819

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 42 results
1
2
3
...
5

Best time to book a flight from Houston to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul from Houston 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 to Istanbul Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Houston to Istanbul. Price data was last updated on November 14, 2025.

The best time to book flights from Houston to Istanbul Airport is 12 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 to Istanbul Airport?

Currently, February is the cheapest month in which you can book a flight from Houston to Istanbul Airport (average of $589). Flying from Houston to Istanbul Airport in July is currently the most expensive (average of $872). 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 HOU to IST?

Find hourly flight availability from Houston 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 November 20, 2025.

It’s optimal to fly from Houston to Istanbul Airport in the morning. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Houston to Istanbul. Price data was last updated on December 1, 2024.

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

How much does it cost to fly round-trip from Houston 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 November 20, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and Turkish Airlines from Houston to Istanbul Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,002 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,002 reviews
Delta
7.9
Good
8,002 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,028 reviews
Delta
7.9
Good
8,002 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Turkish Airlines
7.3
Good
4,043 reviews
Delta
7.9
Good
8,002 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,579 reviews
Delta
7.9
Good
8,002 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,533 reviews
Delta
7.9
Good
8,002 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Houston 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 to Istanbul Airport?

    KLM and Delta can get you from Houston to Istanbul Airport in just under 16h 25m. Your travel time can differ by up to 9h 21m. Houston and Istanbul Airport are separated by a distance of 6353 mi. This flight may include one or multiple stops.

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

    Currently priced at $621, British Airways will fly you from Houston to Istanbul Airport and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Lufthansa - these airlines can fly you to your destination from $664 and $722, respectively. British Airways is 42% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Houston to Istanbul that include hotel bookings?

    Yes. In addition to deals on Houston to Istanbul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to Istanbul?

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

  • Can I find deals for business class flights from Houston to Istanbul?

    Yes. Cheapflights offers flight deals from Houston 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 to Istanbul Airport?

    Currently, February is the cheapest month in which you can book a flight from Houston to Istanbul Airport (average of $589). Flying from Houston to Istanbul Airport in July is currently the most expensive (average of $872). 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

Traveling to a place near Istanbul Airport?

Book flights to Istanbul Airport if you plan to visit one of these locations
Yalova

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from Houston to Istanbul

Discover the top 7 airlines that operate flights from Houston 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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$621Average$1,277FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$664Average$1,381FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$722Average$1,183FlexibilityNo cancel feeOn-time76%
KLMCheapest$724Average$1,114FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$785Average$1,118FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$827Average$977FlexibilityNo cancel feeOn-time68%
DeltaCheapest$878Average$1,141FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.