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$326+ Cheap flights from Houston to Istanbul

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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — IST
Mar 26 — Apr 21
Thu 3/26
Thu 4/2
1 adult, Economy
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Cheap 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 February 24, 2026.

This Expedia deal was found by Cheapflights users on 2/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/224:30 pm
IAH
-
IST
1 stop16h 25m
KLM
Sun 3/295:20 pm
IST
-
IAH
1 stop27h 55m
KLM
Deal found 2/22$706
This KLM deal was found by Cheapflights users on 2/23. 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 3/244:30 pm
IAH
-
SAW
1 stop16h 55m
KLM
Tue 3/318:50 am
SAW
-
IAH
1 stop36h 25m
KLM
Deal found 2/23$721
This KLM deal was found by Cheapflights users on 2/22. 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 3/104:30 pm
IAH
-
SAW
1 stop20h 50m
KLM
Mon 3/308:50 am
SAW
-
IAH
1 stop36h 25m
KLM
Deal found 2/22$722
This FlightHub deal was found by Cheapflights users on 2/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/281:50 pm
IAH
-
IST
2 stops29h 50m
Scandinavian Airlines
Sat 4/44:30 am
IST
-
IAH
2 stops25h 02m
Scandinavian Airlines
Deal found 2/20$723
This FlightHub deal was found by Cheapflights users on 2/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:15 pm
IAH
-
IST
2 stops30h 25m
Scandinavian Airlines
Sun 9/204:30 am
IST
-
IAH
2 stops24h 33m
Scandinavian Airlines
Deal found 2/20$724
This KLM deal was found by Cheapflights users on 2/22. 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.
Mon 11/163:30 pm
IAH
-
IST
1 stop16h 25m
KLM
Mon 11/304:50 am
IST
-
IAH
1 stop18h 05m
KLM
Deal found 2/22$725
This KLM deal was found by Cheapflights users on 2/24. 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 3/104:30 pm
IAH
-
IST
1 stop16h 25m
KLM
Fri 3/274:50 am
IST
-
IAH
1 stop18h 05m
KLM
Deal found 2/24$726
This KLM deal was found by Cheapflights users on 2/21. 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 3/104:30 pm
IAH
-
SAW
1 stop23h 45m
KLM
Tue 3/179:00 am
SAW
-
IAH
2 stops20h 09m
KLM
Deal found 2/21$727
This KAYAK deal was found by Cheapflights users on 2/23. 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.
Sun 9/611:50 am
IAH
-
IST
2 stops31h 50m
Scandinavian Airlines
Sat 9/264:30 am
IST
-
IAH
2 stops27h 21m
Scandinavian Airlines
Deal found 2/23$728
This KLM deal was found by Cheapflights users on 2/24. 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 3/184:56 pm
IAH
-
IST
2 stops15h 59m
KLM
Wed 4/14:25 am
IST
-
IAH
1 stop17h 10m
KLM
Deal found 2/24$730
This KLM deal was found by Cheapflights users on 2/24. 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.
Sun 3/224:30 pm
IAH
-
SAW
1 stop20h 50m
KLM
Wed 4/18:50 am
SAW
-
IAH
2 stops20h 19m
KLM
Deal found 2/24$730
This KLM deal was found by Cheapflights users on 2/21. 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 3/104:30 pm
IAH
-
IST
1 stop16h 25m
Multiple Airlines
Tue 3/174:50 am
IST
-
IAH
2 stops21h 38m
Multiple Airlines
Deal found 2/21$731

Find 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 (TR5). 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 February 24, 2026.

Round-trip from

$706
(Expedia)

One-way from

$326
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$799
From Houston to Istanbul
Search Deals
One-way flight from Houston to Istanbul
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($268 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 24, 2026.
Use the filters below to find and compare flights from Houston to Istanbul that are best for you.

Fly from

Houston

Fly to

Istanbul

Route

Depart

Return

Price

HoustonIstanbul

IAH - SAW

IAHSAW

Houston George Bush Intcntl

Tue 3/10

4:30 pm-9:20 pm

1 stop20h 50m

Istanbul Sabiha Gokcen

Mon 3/30

8:50 am-1:15 pm

1 stop36h 25m

$722

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 3/24

5:05 pm-3:50 am

1 stop26h 45m

Istanbul

Tue 3/31

5:20 pm-1:15 pm

1 stop27h 55m

$738

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Thu 3/19

5:05 pm-3:50 am

1 stop26h 45m

Istanbul

Sun 3/29

5:20 pm-1:15 pm

1 stop27h 55m

$739

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 4/19

3:20 pm-1:20 am

1 stop26h 00m

Istanbul

Tue 4/28

4:25 am-1:35 pm

1 stop17h 10m

$770

HoustonIstanbul

IAH - SAW

IAHSAW

Houston George Bush Intcntl

Tue 3/24

4:30 pm-5:25 pm

1 stop16h 55m

Istanbul Sabiha Gokcen

Sat 4/4

8:50 am-1:15 pm

1 stop36h 25m

$776

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sat 4/4

3:20 pm-1:20 am

1 stop26h 00m

Istanbul

Sat 4/11

6:00 am-1:15 pm

1 stop15h 15m

$782

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sat 3/28

5:05 pm-3:30 am

1 stop26h 25m

Istanbul

Wed 4/1

6:00 am-6:12 pm

2 stops20h 12m

$791

HoustonIstanbul

IAH - SAW

IAHSAW

Houston George Bush Intcntl

Tue 3/31

3:50 pm-5:05 pm

2 stops17h 15m

Istanbul Sabiha Gokcen

Thu 4/2

8:50 am-1:15 pm

1 stop36h 25m

$801

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Mon 4/6

3:50 pm-4:20 pm

2 stops16h 30m

Istanbul

Sat 4/18

4:25 am-1:35 pm

1 stop17h 10m

$807

HoustonIstanbul

IAH - SAW

IAHSAW

Houston George Bush Intcntl

Thu 3/26

5:05 pm-9:20 pm

2 stops20h 15m

Istanbul Sabiha Gokcen

Sun 4/12

8:50 am-1:15 pm

1 stop36h 25m

$825

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 60 results
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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

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

Use this chart to determine the optimal time to book a round-trip flight from Houston to Istanbul. Price data was last updated on February 20, 2026.

To ensure you get the cheapest price possible for a flight from Houston to Istanbul, you should look to book at least 56 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 to Istanbul?

Currently, February is the cheapest month in which you can book a flight from Houston to Istanbul (average of $518). Flying from Houston to Istanbul in July is currently the most expensive (average of $864). 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 February 24, 2026.

When flying from Houston to Istanbul, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Houston to Istanbul?

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 February 24, 2026.
Read through reviews of airlines operating flights from Houston to Istanbul, such as Delta, KLM, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,238 reviews

Comfort

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Overall

7.9

Entertainment

7.8

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
8,238 reviews
Delta
7.9
Good
8,238 reviews

Comfort

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Overall

7.9

Entertainment

7.8

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.
KLM
7.7
Good
1,460 reviews
Delta
7.9
Good
8,238 reviews

Comfort

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Overall

7.9

Entertainment

7.8

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
9,344 reviews
Delta
7.9
Good
8,238 reviews

Comfort

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Overall

7.9

Entertainment

7.8

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
4,236 reviews
Delta
7.9
Good
8,238 reviews

Comfort

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Overall

7.9

Entertainment

7.8

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
7,808 reviews
Delta
7.9
Good
8,238 reviews

Comfort

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Overall

7.9

Entertainment

7.8

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?

    A quick flight from Houston to Istanbul can take about 20h 50m. KLM provides one of the quickest options available for as low as $722. Houston and Istanbul are separated by a distance of 6392 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Houston to Istanbul round-trip from $364. Other airlines that can offer you cheap pricing are Lufthansa, from $550, and United Airlines, from $570. British Airways is currently priced 64% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Houston to Istanbul one-way?

    $394 is the cheapest one-way deal found within the past few days, from Turkish Airlines. You may also be able to find cheap deals on Lufthansa and KLM, with prices starting from $458 and $612, respectively.

  • What are the most popular routes from Houston to Istanbul?

    The most popular route from Houston to Istanbul is Houston Hobby - Istanbul. You may also consider Houston George Bush Intcntl - Istanbul or Houston Hobby - Istanbul Sabiha Gokcen.

  • 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?

    Currently, February is the cheapest month in which you can book a flight from Houston to Istanbul (average of $518). Flying from Houston to Istanbul in July is currently the most expensive (average of $864). 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

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 6 airlines flying from Houston to Istanbul

Discover the top 6 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 February 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$364Average$1,207FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$550Average$1,226FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$570Average$1,308FlexibilityNo cancel feeOn-time69%
KLMCheapest$603Average$911FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$718Average$1,063FlexibilityNo cancel feeOn-time77%
DeltaCheapest$786Average$1,202FlexibilityNo cancel feeOn-timeN/A

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