Istanbul

$419+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — IST
Aug 19 — Aug 261
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Cheapflights Tip: The best prices from Houston to Istanbul are usually found in October or September, booked 60 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 (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 August 14, 2025.

Round-trip from

$834
(United Airlines)

One-way from

$419
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,076
From Houston to Istanbul
One-way flight from Houston to Istanbul
Highest demand for flights based on searches. 16% potential increase in price ($217 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).
Average for round-trip flights in August 2025

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 August 14, 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 8/14. 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
2 stops24h 09mUnited Airlines
Deal found 8/14$834
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/101:07 pmIAH - IST
2 stops30h 18mDelta
Wed 9/174:20 amIST - IAH
1 stop17h 15mDelta
Deal found 8/13$835
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.
Wed 10/85:09 pmIAH - IST
1 stop16h 56mMultiple Airlines
Sun 10/124:45 amIST - IAH
2 stops27h 28mMultiple Airlines
Deal found 8/13$836
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:00 pmIAH - SAW
2 stops19h 05mKLM
Wed 10/18:50 amSAW - IAH
1 stop36h 25mKLM
Deal found 8/13$836
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/82:25 pmIAH - IST
Nonstop11h 55mTurkish Airlines
Mon 9/157:50 amIST - IAH
Nonstop12h 50mTurkish Airlines
Deal found 8/12$837
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/173:30 pmIAH - IST
1 stop25h 50mKLM
Mon 9/295:05 pmIST - IAH
1 stop28h 10mKLM
Deal found 8/13$838
This oojo deal was found by Cheapflights users on 8/14. 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.
Mon 10/62:25 pmIAH - IST
Nonstop11h 55mTurkish Airlines
Mon 10/207:50 amIST - IAH
Nonstop12h 50mTurkish Airlines
Deal found 8/14$839
This KLM deal was found by Cheapflights users on 8/14. 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 10/223:30 pmIAH - SAW
1 stop21h 35mKLM
Wed 11/59:00 amSAW - IAH
2 stops19h 41mKLM
Deal found 8/14$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 KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/233:30 pmIAH - SAW
1 stop21h 35mKLM
Mon 9/298:45 amSAW - IAH
1 stop36h 30mKLM
Deal found 8/13$840
This oojo deal was found by Cheapflights users on 8/14. 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 9/49:00 pmIAH - IST
Nonstop12h 05mTurkish Airlines
Thu 9/182:00 pmIST - IAH
Nonstop13h 05mTurkish Airlines
Deal found 8/14$841

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 August 14, 2025.
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 - 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

Mon 12/1

6:55 pm-10:45 pm

1 stop18h 50m

Istanbul

Tue 1/20

6:30 am-9:39 pm

2 stops24h 09m

$834

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 11/23

4:30 pm-10:45 pm

1 stop21h 15m

Istanbul

Fri 12/5

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

4:30 pm-6:05 pm

1 stop16h 35m

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

Tue 12/2

6:55 pm-10:45 pm

1 stop18h 50m

Istanbul

Fri 1/23

6:30 am-9:39 pm

2 stops24h 09m

$834

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Wed 11/26

6:55 pm-6:05 pm

1 stop14h 10m

Istanbul

Fri 12/5

6:30 am-9:39 pm

2 stops24h 09m

$834

HoustonIstanbul

IAH - SAW

IAHSAW

Houston George Bush Intcntl

Tue 9/16

6:00 pm-9:05 pm

2 stops19h 05m

Istanbul Sabiha Gokcen

Wed 10/1

8:50 am-1:15 pm

1 stop36h 25m

$836

HoustonIstanbul

IAH - SAW

IAHSAW

Houston George Bush Intcntl

Wed 10/29

4:30 pm-5:25 pm

1 stop16h 55m

Istanbul Sabiha Gokcen

Wed 11/5

12:55 pm-11:59 pm

2 stops20h 04m

$839

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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 August 8, 2025.

To ensure you get the cheapest price possible for a flight from Houston to Istanbul, you should look to book at least 60 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, November is the cheapest month in which you can book a flight from Houston to Istanbul (average of $923). Flying from Houston to Istanbul 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 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 August 14, 2025.

It’s optimal to fly from Houston to Istanbul in the morning. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight at noon.

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

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 flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday at noon 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?

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 14, 2025.
Read through reviews of airlines operating flights from Houston to Istanbul, such as Delta, United Airlines, and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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!
8.0
Very good
8.0
Very good

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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!
8.0
Very good

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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!
8.0
Very good

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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!
8.0
Very good

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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!
8.0
Very good

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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 Houston 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 to Istanbul round-trip?

    Cheapflights users have booked flights from Houston to Istanbul round-trip from $643. Other airlines that can offer you cheap pricing are American Airlines, from $650, and Delta, from $720. British Airways is currently priced 41% below the average price you’ll pay for this route.

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

  • 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, November is the cheapest month in which you can book a flight from Houston to Istanbul (average of $923). Flying from Houston to Istanbul 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

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from Houston to Istanbul

Discover the top 8 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$643Average$1,120FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$650Average$1,144FlexibilityNo cancel feeOn-time71%
DeltaCheapest$720Average$1,095FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$790Average$1,166FlexibilityNo cancel feeOn-time76%
Qatar AirwaysCheapest$815Average$970FlexibilityNo cancel feeOn-time68%
United AirlinesCheapest$837Average$1,315FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$852Average$1,138FlexibilityNo cancel feeOn-time77%
KLMCheapest$865Average$1,397FlexibilityNo cancel feeOn-time75%

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