$604 Cheap Flights from Istanbul (IST) to Houston (IAH)

View $604 flight on Tue, Oct 7, 2025Opens in a new window

Popular airlines from Istanbul Airport (IST) to George Bush Intercontinental Airport (IAH)

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Cheap Flights from Istanbul to Houston (IST-IAH)

Prices were available within the past 7 days and start at $604 for one-way flights and $506 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Mon, Sep 1 - Mon, Nov 17
IST
Istanbul
IAH
Houston
$506 Roundtrip, found 7 hours ago
$506
Roundtrip
found 7 hours ago
Select KLM flight, departing Mon, Sep 1 from Istanbul to Houston, returning Mon, Nov 17, priced at $506 found 7 hours ago
MIAT Mongolian Airlines
Wed, Sep 3 - Thu, Nov 20
IST
Istanbul
IAH
Houston
$521 Roundtrip, found 7 hours ago
$521
Roundtrip
found 7 hours ago
Select MIAT Mongolian Airlines flight, departing Wed, Sep 3 from Istanbul to Houston, returning Thu, Nov 20, priced at $521 found 7 hours ago
MIAT Mongolian Airlines
Tue, Sep 2 - Tue, Sep 16
IST
Istanbul
IAH
Houston
$526 Roundtrip, found 5 hours ago
$526
Roundtrip
found 5 hours ago
Select MIAT Mongolian Airlines flight, departing Tue, Sep 2 from Istanbul to Houston, returning Tue, Sep 16, priced at $526 found 5 hours ago
MIAT Mongolian Airlines
Wed, Sep 3 - Thu, Nov 20
IST
Istanbul
IAH
Houston
$531 Roundtrip, found 7 hours ago
$531
Roundtrip
found 7 hours ago
Select MIAT Mongolian Airlines flight, departing Wed, Sep 3 from Istanbul to Houston, returning Thu, Nov 20, priced at $531 found 7 hours ago
MIAT Mongolian Airlines
Tue, Sep 2 - Tue, Sep 16
IST
Istanbul
IAH
Houston
$535 Roundtrip, found 5 hours ago
$535
Roundtrip
found 5 hours ago
Select MIAT Mongolian Airlines flight, departing Tue, Sep 2 from Istanbul to Houston, returning Tue, Sep 16, priced at $535 found 5 hours ago
MIAT Mongolian Airlines
Tue, Sep 2 - Tue, Sep 16
IST
Istanbul
IAH
Houston
$535 Roundtrip, found 5 hours ago
$535
Roundtrip
found 5 hours ago
Select MIAT Mongolian Airlines flight, departing Tue, Sep 2 from Istanbul to Houston, returning Tue, Sep 16, priced at $535 found 5 hours ago
LOT-Polish Airlines
Wed, Sep 3 - Thu, Nov 20
IST
Istanbul
IAH
Houston
$537 Roundtrip, found 7 hours ago
$537
Roundtrip
found 7 hours ago
Select LOT-Polish Airlines flight, departing Wed, Sep 3 from Istanbul to Houston, returning Thu, Nov 20, priced at $537 found 7 hours ago
MIAT Mongolian Airlines
Wed, Sep 3 - Thu, Nov 20
IST
Istanbul
IAH
Houston
$539 Roundtrip, found 7 hours ago
$539
Roundtrip
found 7 hours ago
Select MIAT Mongolian Airlines flight, departing Wed, Sep 3 from Istanbul to Houston, returning Thu, Nov 20, priced at $539 found 7 hours ago
Air Canada
Tue, Jan 20 - Mon, Feb 2
IST
Istanbul
IAH
Houston
$590 Roundtrip, found 1 day ago
$590
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Jan 20 from Istanbul to Houston, returning Mon, Feb 2, priced at $590 found 1 day ago
Lufthansa
Mon, Feb 2 - Thu, Mar 5
IST
Istanbul
IAH
Houston
$593 Roundtrip, just found
$593
Roundtrip
just found
Select Lufthansa flight, departing Mon, Feb 2 from Istanbul to Houston, returning Thu, Mar 5, priced at $593 just found

Find the cheapest month to fly from Istanbul (IST) to Houston (IAH)

February is typically the cheapest month to fly

From $446 - $1,199 per traveler.

Graph displaying average flight prices per month

Alternative airports near Houston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $894
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $894
Flights from Istanbul (IST) to Houston (IAH)
Origin airport
Istanbul
Destination airport
George Bush Intercontinental
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, Emirates, KLM, Lufthansa, Qatar Airways, Turkish Airlines, United
Roundtrip price
$506
Distance
6357 mi
Average flight time
4 hours 57 mins

Istanbul to Houston Flights

The cheapest times to fly from Istanbul to Houston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Istanbul to Houston are during the month of September. You can find some of the cheapest flights from Istanbul to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Istanbul to Houston

Sunday is one of the best days to book for cheap flights from Istanbul to Houston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Istanbul to Houston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Istanbul to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $604 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Istanbul to Houston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Istanbul to Houston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Istanbul (IST) to George Bush Intercontinental Airport (IAH) cost?
Pick up cheap return flights starting from $824 from Istanbul (IST) to George Bush Intercontinental Airport (IAH). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Turkish Airlines flight leaving IST on July 23 2025 and touching down at IAH. The price was last updated on July 14 2025 and has not changed since.
What is the cheapest month to fly from IST to IAH?
The cheapest flights from IST to IAH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Istanbul (IST) to George Bush Intercontinental Airport (IAH)?
You can't fly nonstop to George Bush Intercontinental Airport (IAH) from Istanbul (IST). However, you can arrive in Houston without any layovers by departing from Ataturk Intl. Airport (IST).
What is the cheapest airline that flies from IST to IAH?
Right now, the cheapest carrier operating one-way flights from IST to IAH is Turkish Airlines. You can jet off on this route from $770. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IST on October 7 2025. Prices were last updated on July 14 2025 and have not changed since.
How many flights per day from Istanbul (IST) to George Bush Intercontinental Airport (IAH)?
There are no daily direct flights departing from Istanbul (IST) to George Bush Intercontinental Airport (IAH). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from IST to IAH?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Istanbul (IST) to George Bush Intercontinental Airport (IAH)?
To land at George Bush Intercontinental Airport (IAH) on time, choose a flight that leaves from Istanbul (IST) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Istanbul (IST) to George Bush Intercontinental Airport (IAH) last-minute?
Booking your flight from IST to IAH right before your journey is generally more expensive. But if there's some wiggle room with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book an IST to IAH flight and hotel package?
You can save money by securing an IST to IAH flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After selecting your ideal accommodations and flights, consider other add-ons like car rentals, tours and activities.
Can I cancel or change the date of my flight from Istanbul (IST) to George Bush Intercontinental Airport (IAH)?
If you reserved your IST to IAH flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

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*Available to One Key members.