George Bush Intcntl

$715+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
ISB — IAH
Jul 8 — Jul 151
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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 July 3, 2025.

Round-trip from

$1,151
(Expedia)

One-way from

$715
(Trip.com)

Popular in

August

Cheapest in

October

Average price

$1,569
From Islamabad Intl to Houston George Bush Intcntl
One-way flight from Islamabad Intl to Houston George Bush Intcntl
Highest demand for flights based on searches. 9% potential increase in price ($159 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($40 potential savings vs. average RT price).
Average for round-trip flights in July 2025

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 July 3, 2025.

This Expedia deal was found by Cheapflights users on 7/1. 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 8/159:45 amISB - IAH
1 stop37h 50mMultiple Airlines
Sun 8/243:30 pmIAH - ISB
2 stops30h 50mMultiple Airlines
Deal found 7/1$1,151
This Air Canada deal was found by Cheapflights users on 6/30. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/109:20 amISB - IAH
2 stops46h 54mAir Canada
Tue 10/1410:17 amIAH - ISB
2 stops28h 58mAir Canada
Deal found 6/30$1,409
This Priceline deal was found by Cheapflights users on 7/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/163:30 amISB - IAH
1 stop22h 20mQatar Airways
Tue 9/301:23 pmIAH - ISB
2 stops26h 27mQatar Airways
Deal found 7/1$1,441
This Trip.com deal was found by Cheapflights users on 7/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/269:25 amISB - IAH
1 stop19h 40mTurkish Airlines
Sat 9/139:00 pmIAH - ISB
1 stop20h 55mTurkish Airlines
Deal found 7/3$1,488
This Pakistan International Airlines deal was found by Cheapflights users on 6/30. 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 Pakistan International Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/155:25 amISB - IAH
1 stop23h 40mPakistan International Airlines
Sun 10/199:00 pmIAH - ISB
1 stop24h 55mPakistan International Airlines
Deal found 6/30$1,602

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 July 3, 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

Fri 8/15

9:45 am-1:35 pm

1 stop37h 50m

Houston George Bush Intcntl

Sun 8/24

3:30 pm-8:20 am

2 stops30h 50m

$1,151

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

10:17 am-1:15 am

2 stops28h 58m

$1,409

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Tue 9/16

3:30 am-3:50 pm

1 stop22h 20m

Houston George Bush Intcntl

Tue 9/30

1:23 pm-1:50 am

2 stops26h 27m

$1,441

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Tue 8/26

9:25 am-7:05 pm

1 stop19h 40m

Houston George Bush Intcntl

Sat 9/13

9:00 pm-3:55 am

1 stop20h 55m

$1,488

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Wed 10/15

5:25 am-7:05 pm

1 stop23h 40m

Houston George Bush Intcntl

Sun 10/19

9:00 pm-7:55 am

1 stop24h 55m

$1,602

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Fri 8/22

4:20 am-10:20 pm

2 stops28h 00m

$715

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Fri 8/29

5:25 am-7:05 pm

1 stop23h 40m

$849

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Tue 12/23

9:00 am-9:05 am

2 stops59h 05m

$918

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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 July 3, 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 July 3, 2025.
Peruse reviews from past customers who have flown with Qatar Airways, Turkish Airlines, and Air Canada 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.

Entertainment

7.4

Overall

7.4

Comfort

7.4

Crew

7.9

Boarding

7.5

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.

Entertainment

7.4

Overall

7.4

Comfort

7.4

Crew

7.9

Boarding

7.5

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.

Entertainment

7.4

Overall

7.4

Comfort

7.4

Crew

7.9

Boarding

7.5

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.

Entertainment

7.4

Overall

7.4

Comfort

7.4

Crew

7.9

Boarding

7.5

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.

Entertainment

7.4

Overall

7.4

Comfort

7.4

Crew

7.9

Boarding

7.5

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 5 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 Air Canada is currently your cheapest option to Houston George Bush Intcntl Airport, with prices starting at $1,409. Additional round-trip tickets that might be worth considering are offered by Qatar Airways and Turkish Airlines, with the lowest prices starting at $1,441 and $1,488, respectively. You may be able to fly from Islamabad to Houston George Bush Intcntl Airport for 10% 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

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Alternative routes for Islamabad to George Bush Intcntl

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Islamabad to George Bush Intcntl

Discover the top 5 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$974Average$1,268FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$1,228Average$1,336FlexibilityNo cancel feeOn-time70%
Qatar AirwaysCheapest$1,259Average$1,554FlexibilityNo cancel feeOn-time68%
Pakistan International AirlinesCheapest$1,360Average$1,621FlexibilityNo cancel feeOn-time50%
Turkish AirlinesCheapest$1,443Average$1,579FlexibilityNo cancel feeOn-time77%

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