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Cheap flights from Houston George Bush Intcntl Airport to Istanbul from $399

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Istanbul departing on 10/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Houston George Bush Intcntl Airport to Istanbul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
2:38 pm - 3:30 am
IAH
-
IST
28h 52m
2 stops
Delta Logo
5:20 pm - 1:20 pm
IST
-
IAH
28h 00m
1 stop
$933Delta
Sun, Aug 2 - Sun, Aug 16
Delta Logo
3:25 pm - 4:20 pm
IAH
-
IST
16h 55m
1 stop
Delta Logo
5:55 pm - 1:30 pm
IST
-
IAH
28h 35m
1 stop
$935Delta
Tue, Jul 7 - Wed, Jan 6
Delta Logo
2:27 pm - 3:30 am
IAH
-
IST
29h 03m
2 stops
Delta Logo
5:20 pm - 1:15 pm
IST
-
IAH
27h 55m
1 stop
$940Delta
Sun, Aug 30 - Mon, Sep 14
Delta Logo
5:05 pm - 3:30 am
IAH
-
IST
26h 25m
1 stop
Delta Logo
5:20 pm - 1:20 pm
IST
-
IAH
28h 00m
1 stop
$941Delta
Sun, Aug 2 - Sun, Aug 16
Turkish Airlines Logo
10:05 pm - 6:05 pm
IAH
-
IST
11h 00mnonstop
Turkish Airlines Logo
9:00 am - 1:10 pm
IST
-
IAH
13h 10mnonstop
$947Turkish Airlines
Sat, Nov 7 - Sat, Nov 21
Turkish Airlines Logo
9:10 pm - 5:10 pm
IAH
-
IST
12h 00mnonstop
Turkish Airlines Logo
7:50 am - 12:45 pm
IST
-
IAH
12h 55mnonstop
$964Turkish Airlines
Sun, Aug 30 - Mon, Sep 14
Turkish Airlines Logo
9:10 pm - 5:10 pm
IAH
-
IST
12h 00mnonstop
Turkish Airlines Logo
7:50 am - 12:45 pm
IST
-
IAH
12h 55mnonstop
$968Turkish Airlines
Sun, Aug 30 - Mon, Sep 14
KLM Logo
3:20 pm - 9:00 pm
IAH
-
SAW
21h 40m
1 stop
KLM Logo
9:00 am - 2:05 pm
SAW
-
IAH
37h 05m
1 stop
$995KLM
Thu, Oct 15 - Thu, Oct 29
KLM Logo
3:20 pm - 10:55 pm
IAH
-
SAW
23h 35m
1 stop
KLM Logo
9:00 am - 10:04 pm
SAW
-
IAH
21h 04m
2 stops
$1,004KLM
Thu, Oct 15 - Thu, Oct 29
KLM Logo
3:20 pm - 10:55 pm
IAH
-
SAW
23h 35m
1 stop
KLM Logo
8:50 am - 1:15 pm
SAW
-
IAH
36h 25m
1 stop
$1,021KLM
Sun, Oct 11 - Thu, Oct 22

Turkish Airlines flights from Houston George Bush Intcntl Airport to Istanbul

Our best Turkish Airlines deals on Houston George Bush Intcntl Airport to Istanbul flight tickets
Turkish Airlines
Nov 7
IAH10:05 pmHouston George Bush Intcntl
11h 00m
IST6:05 pmIstanbul
Nov 21
IST9:00 amIstanbul
13h 10m
IAH1:10 pmHouston George Bush Intcntl
$947
Turkish Airlines
Aug 30
IAH9:10 pmHouston George Bush Intcntl
12h 00m
IST5:10 pmIstanbul
Sep 14
IST7:50 amIstanbul
12h 55m
IAH12:45 pmHouston George Bush Intcntl
$964
Turkish Airlines
Aug 30
IAH9:10 pmHouston George Bush Intcntl
12h 00m
IST5:10 pmIstanbul
Sep 14
IST7:50 amIstanbul
12h 55m
IAH12:45 pmHouston George Bush Intcntl
$968

Delta flights from Houston George Bush Intcntl Airport to Istanbul

Our best Delta deals on Houston George Bush Intcntl Airport to Istanbul flight tickets
Delta
Aug 2
IAH2:38 pmHouston George Bush Intcntl
28h 52m
2 stops
IST3:30 amIstanbul
Aug 16
IST5:20 pmIstanbul
28h 00m
1 stop
IAH1:20 pmHouston George Bush Intcntl
$933
Delta
Jul 7
IAH3:25 pmHouston George Bush Intcntl
16h 55m
1 stop
IST4:20 pmIstanbul
Jan 6
IST5:55 pmIstanbul
28h 35m
1 stop
IAH1:30 pmHouston George Bush Intcntl
$935
Delta
Aug 30
IAH2:27 pmHouston George Bush Intcntl
29h 03m
2 stops
IST3:30 amIstanbul
Sep 14
IST5:20 pmIstanbul
27h 55m
1 stop
IAH1:15 pmHouston George Bush Intcntl
$940

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport 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, momondo users made 832,500 searches. Data last updated May 15, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Istanbul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 8/2

2:38 pm-3:30 am

2 stops28h 52m

Istanbul

Sun 8/16

5:20 pm-1:20 pm

1 stop28h 00m

$933

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Tue 7/7

3:25 pm-4:20 pm

1 stop16h 55m

Istanbul

Wed 1/6

5:55 pm-1:30 pm

1 stop28h 35m

$935

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 8/30

2:27 pm-3:30 am

2 stops29h 03m

Istanbul

Mon 9/14

5:20 pm-1:15 pm

1 stop27h 55m

$940

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 8/2

5:05 pm-3:30 am

1 stop26h 25m

Istanbul

Sun 8/16

5:20 pm-1:20 pm

1 stop28h 00m

$941
Quickest round-trip

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sat 11/7

10:05 pm-6:05 pm

Nonstop11h 00m

Istanbul

Sat 11/21

9:00 am-1:10 pm

Nonstop13h 10m

$947

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 8/30

9:10 pm-5:10 pm

Nonstop12h 00m

Istanbul

Mon 9/14

7:50 am-12:45 pm

Nonstop12h 55m

$964

HoustonIstanbul

IAH - IST

IAHIST

Houston George Bush Intcntl

Sun 8/30

9:10 pm-5:10 pm

Nonstop12h 00m

Istanbul

Mon 9/14

7:50 am-12:45 pm

Nonstop12h 55m

$968

HoustonIstanbul

IAH - SAW

IAHSAW

Houston George Bush Intcntl

Thu 10/15

3:20 pm-9:00 pm

1 stop21h 40m

Istanbul Sabiha Gokcen

Thu 10/29

9:00 am-2:05 pm

1 stop37h 05m

$995

HoustonIstanbul

IAH - SAW

IAHSAW

Houston George Bush Intcntl

Thu 10/15

3:20 pm-10:55 pm

1 stop23h 35m

Istanbul Sabiha Gokcen

Thu 10/29

9:00 am-10:04 pm

2 stops21h 04m

$1,004

HoustonIstanbul

IAH - SAW

IAHSAW

Houston George Bush Intcntl

Sun 10/11

3:20 pm-10:55 pm

1 stop23h 35m

Istanbul Sabiha Gokcen

Thu 10/22

8:50 am-1:15 pm

1 stop36h 25m

$1,021

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Istanbul from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Istanbul

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Houston George Bush Intcntl Airport and Istanbul?

What is the cheapest month to fly to Istanbul?

In general, December is the cheapest month to fly from Houston George Bush Intcntl Airport to Istanbul. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $364. If you aren’t able to travel to Istanbul during the month of December, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $445.

What is the cheapest time of day to depart on your flight to Istanbul?

Our most recent data shows that the best time of day to fly to Istanbul is in the afternoon. Flights from Houston George Bush Intcntl Airport to Istanbul during this time can be as low as $932. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,077 on average. Flights to Istanbul from Houston George Bush Intcntl Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Houston George Bush Intcntl to Istanbul flight route?

Fly from Houston George Bush Intcntl to Istanbul for the best Houston George Bush Intcntl - Istanbul flight prices

How far in advance should I book a flight from Houston George Bush Intcntl Airport to Istanbul?

You are more likely to see cheaper flights to Istanbul from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul for around $1,034 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul from Houston George Bush Intcntl Airport for as low as $910 on momondo.

Cheap Houston George Bush Intcntl Airport to Istanbul flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Istanbul

Fastest flight time

12h 00m

Direct flights

Every day

Airports in Istanbul

2 airports
The fastest flight from Houston George Bush Intcntl Airport to Istanbul takes 12h 00m
Direct flights go from Houston George Bush Intcntl Airport to Istanbul every day.
There are 2 airports in Istanbul. From Houston George Bush Intcntl Airport there are direct flights to Istanbul (IST).
Search flight deals

Frequently asked questions about flying from Houston George Bush Intcntl Airport to Istanbul

  • How far is Houston George Bush Intcntl to Istanbul by plane?

    Istanbul is 6373.4 mi away from Houston George Bush Intcntl. A reasonable flight in good conditions will take 12h 00m.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Istanbul?

    Prices for flights from Houston George Bush Intcntl Airport to Istanbul were last updated today.

  • How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Istanbul?

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Istanbul?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Istanbul.

  • What documentation or ID do you need to fly to Istanbul?

    The required travel and health documents for your Istanbul trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Istanbul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Houston George Bush Intcntl Airport to Istanbul

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Istanbul with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $364Free CancellationRating
6.7
7,980 reviews
Search British Airways flights
United AirlinesPriceFrom $570Free CancellationRating
7.4
9,723 reviews
Search United Airlines flights
LufthansaPriceFrom $660Free CancellationRating
6.8
8,003 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $719Free CancellationRating
7.4
4,368 reviews
Search Turkish Airlines flights
KLMPriceFrom $723Free CancellationRating
7.8
1,517 reviews
Search KLM flights
DeltaPriceFrom $1,105Free CancellationRating
7.9
8,453 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Istanbul?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Houston to Istanbul. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Houston to Istanbul with flexible booking policies on momondo?

Flights from Houston to Istanbul with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Houston to Istanbul?

Once all potential Houston to Istanbul flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Houston to Istanbul right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Istanbul from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to Turkey

Fly into one of these airports located in Istanbul

Airports listed have a maximum distance of 20.9 mi from Istanbul
Istanbul Airport
Istanbul Sabiha Gokcen Airport