HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
George Bush Intcntl

$637+ Cheap flights from Islamabad (ISB) to George Bush Intcntl (IAH)

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
ISB — IAH
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Islamabad to George Bush Intcntl 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.

Cheap flight deals from Islamabad to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Islamabad (ISB) to George Bush Intcntl (IAH). 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 September 17, 2025.

Round-trip from

$1,008
(Justfly.com)

One-way from

$637
(Kiwi.com)

Popular in

March

Cheapest in

May

Average price

$1,614
From Islamabad Intl to Houston George Bush Intcntl
Search Deals
One-way flight from Islamabad Intl to Houston George Bush Intcntl
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Islamabad to George Bush Intcntl

Cheapest flights from Islamabad to George Bush Intcntl
Explore the most affordable flight options available from Islamabad to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Justfly.com deal was found by Cheapflights users on 9/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/211:45 amISB - IAH
1 stop37h 10mMultiple Airlines
Thu 11/134:05 pmIAH - ISB
1 stop26h 55mMultiple Airlines
Deal found 9/17$1,008
This FlightHub deal was found by Cheapflights users on 9/16. 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.
Mon 10/63:05 amISB - IAH
2 stops44h 30mMultiple Airlines
Wed 12/314:30 pmIAH - ISB
2 stops46h 00mMultiple Airlines
Deal found 9/16$1,102
This Justfly.com deal was found by Cheapflights users on 9/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/298:45 amISB - IAH
3 stops38h 30mMultiple Airlines
Sat 2/284:05 pmIAH - ISB
1 stop27h 15mMultiple Airlines
Deal found 9/16$1,214
This Etihad Airways deal was found by Cheapflights users on 9/17. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:35 pmISB - IAH
2 stops37h 45mMultiple Airlines
Thu 10/166:00 amIAH - ISB
2 stops26h 25mMultiple Airlines
Deal found 9/17$1,216
This oojo deal was found by Cheapflights users on 9/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:30 amISB - IAH
2 stops43h 11mEtihad Airways
Mon 11/248:19 pmIAH - ISB
2 stops34h 56mEtihad Airways
Deal found 9/17$1,235
This FlightHub deal was found by Cheapflights users on 9/15. 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.
Mon 9/223:05 amISB - IAH
2 stops48h 45mMultiple Airlines
Sat 1/104:30 pmIAH - ISB
2 stops46h 00mMultiple Airlines
Deal found 9/15$1,256
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:00 amISB - IAH
2 stops47h 44mMultiple Airlines
Mon 11/244:30 pmIAH - ISB
2 stops46h 00mMultiple Airlines
Deal found 9/17$1,273

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islamabad to George Bush Intcntl 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 September 17, 2025.
Use the filters below to find and compare flights from Islamabad to Houston George Bush Intcntl Airport that are best for you.

Fly from

Islamabad

Fly to

George Bush Intcntl

Route

Depart

Return

Price

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Tue 10/7

9:20 am-1:35 pm

2 stops38h 15m

Houston George Bush Intcntl

Wed 12/31

4:30 pm-1:30 am

2 stops46h 00m

$1,102

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Thu 10/2

7:35 pm-11:20 pm

2 stops37h 45m

Houston George Bush Intcntl

Thu 10/16

6:00 am-6:25 pm

2 stops26h 25m

$1,216

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Mon 9/29

8:45 am-1:15 pm

3 stops38h 30m

Houston George Bush Intcntl

Sat 2/28

6:00 pm-6:20 am

2 stops25h 20m

$1,218

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Fri 11/14

9:00 am-9:44 pm

2 stops47h 44m

Houston George Bush Intcntl

Mon 11/24

4:30 pm-1:30 am

2 stops46h 00m

$1,273

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Mon 9/29

7:35 pm-11:20 pm

2 stops37h 45m

Houston George Bush Intcntl

Mon 2/23

6:31 am-3:10 am

2 stops33h 39m

$1,352

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Mon 9/29

5:25 am-7:05 pm

1 stop23h 40m

Houston George Bush Intcntl

Mon 2/23

9:05 pm-8:50 am

1 stop24h 45m

$1,448

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Sun 9/28

9:10 pm-7:19 pm

3 stops32h 09m

Houston George Bush Intcntl

Sun 3/8

10:05 pm-4:45 am

1 stop20h 40m

$1,491

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Fri 10/10

9:20 am-10:14 pm

2 stops46h 54m

Houston George Bush Intcntl

Tue 10/14

7:20 am-1:15 am

2 stops31h 55m

$1,510

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Tue 10/14

3:30 pm-9:03 pm

3 stops39h 33m

$637

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Tue 9/30

4:20 am-3:50 pm

2 stops45h 30m

$738

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 17 results
1
2

Best time to book a flight from Islamabad to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Islamabad 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 Islamabad to Houston George Bush Intcntl Airport

What is the cheapest month to book a flight from Islamabad to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from Islamabad to Houston George Bush Intcntl Airport (average of $241). Flying from Islamabad to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 ISB to IAH?

Find hourly flight availability from Islamabad to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

One of the essential ways to save on airfare from Islamabad to Houston George Bush Intcntl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 13% on airfare.

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated September 17, 2025.
Peruse reviews from past customers who have flown with Qatar Airways, Turkish Airlines, and Pakistan International Airlines from Islamabad to Houston George Bush Intcntl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,622 reviews

Entertainment

7.4

Overall

7.4

Boarding

7.5

Comfort

7.4

Crew

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.
Qatar Airways
7.4
Good
3,622 reviews
Qatar Airways
7.4
Good
3,622 reviews

Entertainment

7.4

Overall

7.4

Boarding

7.5

Comfort

7.4

Crew

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.
Turkish Airlines
7.3
Good
3,965 reviews
Qatar Airways
7.4
Good
3,622 reviews

Entertainment

7.4

Overall

7.4

Boarding

7.5

Comfort

7.4

Crew

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.
Pakistan International Airlines
6.2
Okay
49 reviews
Qatar Airways
7.4
Good
3,622 reviews

Entertainment

7.4

Overall

7.4

Boarding

7.5

Comfort

7.4

Crew

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.

Related info for your journey

Find useful and relevant information for your journey from Islamabad to George Bush Intcntl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Islamabad to Houston George Bush Intcntl?

    Most people fly from Islamabad Intl (ISB) if they book a flight from Islamabad to Houston George Bush Intcntl. On average, Islamabad Intl has 0 outbound flights to Houston George Bush Intcntl per day from 3 airlines. Islamabad Intl is conveniently located just 19.7 mi from Islamabad’s city center.

  • What are the cheapest airlines flying from Islamabad to Houston George Bush Intcntl Airport round-trip?

    Flying on Qatar Airways is currently your cheapest option to Houston George Bush Intcntl Airport, with prices starting at $1,259. Additional round-trip tickets that might be worth considering are offered by Pakistan International Airlines and Turkish Airlines, with the lowest prices starting at $1,360 and $1,443, respectively. You may be able to fly from Islamabad to Houston George Bush Intcntl Airport for 20% less than the average price by searching for these airlines.

  • Can I find deals for flights from Islamabad to George Bush Intcntl that include hotel bookings?

    Yes. In addition to deals on Islamabad to George Bush Intcntl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islamabad to George Bush Intcntl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islamabad to George Bush Intcntl.

  • Can I find deals for business class flights from Islamabad to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Islamabad to George Bush Intcntl 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 Islamabad to Houston George Bush Intcntl Airport?

    Currently, August is the cheapest month in which you can book a flight from Islamabad to Houston George Bush Intcntl Airport (average of $241). Flying from Islamabad to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Montgomery
Spring
Jersey Village
Humble
The Woodlands
Conroe
Tomball
Katy
Cypress

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.

Alternative routes for Islamabad to George Bush Intcntl

See prices for flight routes from nearby airports that may be better suited for you.
Karachi to Hobby flights
Karachi to George Bush Intcntl flights
Lahore to Hobby flights
Lahore to George Bush Intcntl flights
Islamabad to Hobby flights

Top 3 airlines flying from Islamabad to George Bush Intcntl

Discover the top 3 airlines that operate flights from Islamabad to George Bush Intcntl. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,259Average$1,554FlexibilityNo cancel feeOn-time68%
Pakistan International AirlinesCheapest$1,360Average$1,621FlexibilityNo cancel feeOn-time50%
Turkish AirlinesCheapest$1,443Average$1,574FlexibilityNo cancel feeOn-time77%

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.