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$702+ Cheap flights from Islamabad (ISB) to Houston

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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
ISB — HOU
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Islamabad to Houston

Cheapest flights from Islamabad to Houston
Explore the most affordable flight options available from Islamabad to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This IEagle deal was found by Cheapflights users on 12/16. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/163:10 pmISB - IAH
2 stops33h 00mTurkish Airlines
Wed 12/312:55 pmIAH - ISB
1 stop26h 50mTurkish Airlines
Deal found 12/16$1,859
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1611:55 pmISB - IAH
1 stop27h 25mMultiple Airlines
Wed 12/315:45 pmIAH - ISB
1 stop26h 40mMultiple Airlines
Deal found 12/16$2,248

Find flight deals from Islamabad to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Islamabad (ISB) to Houston (HO1). 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 December 18, 2025.

Round-trip from

$982
(Trip.com)

One-way from

$702
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$1,599
From Islamabad Intl to Houston
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One-way flight from Islamabad Intl to Houston
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Highest demand for flights based on searches. 0% potential increase in price ($0 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Islamabad to Houston 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 December 18, 2025.
Use the filters below to find and compare flights from Islamabad to Houston that are best for you.

Fly from

Islamabad

Fly to

Houston

Route

Depart

Return

Price

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Mon 1/26

4:30 am-8:01 pm

2 stops26h 31m

Houston George Bush Intcntl

Wed 2/11

6:45 am-3:10 am

2 stops33h 25m

$982

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Tue 1/27

6:15 am-7:10 pm

1 stop23h 55m

Houston George Bush Intcntl

Wed 2/11

9:05 pm-8:50 am

1 stop24h 45m

$1,123

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Mon 1/26

6:15 am-7:10 pm

1 stop23h 55m

Houston George Bush Intcntl

Wed 2/4

9:05 pm-4:45 am

1 stop20h 40m

$1,155

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Mon 1/26

6:15 am-7:10 pm

1 stop23h 55m

Houston George Bush Intcntl

Sat 1/31

9:05 pm-4:45 am

1 stop20h 40m

$1,175

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Tue 1/27

6:15 am-1:10 pm

1 stop41h 55m

Houston George Bush Intcntl

Wed 2/4

9:05 pm-8:50 am

1 stop24h 45m

$1,206

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Fri 1/23

6:15 am-1:10 pm

1 stop41h 55m

Houston George Bush Intcntl

Wed 2/4

9:05 pm-8:50 am

1 stop24h 45m

$1,206

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Tue 1/27

6:15 am-7:10 pm

1 stop23h 55m

Houston George Bush Intcntl

Fri 1/30

9:05 pm-4:45 am

1 stop20h 40m

$1,206

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Tue 1/27

6:15 am-1:10 pm

1 stop41h 55m

Houston George Bush Intcntl

Tue 2/3

9:05 pm-8:50 am

1 stop24h 45m

$1,206

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Tue 1/27

6:15 am-7:10 pm

1 stop23h 55m

Houston George Bush Intcntl

Mon 2/2

9:05 pm-4:45 am

1 stop20h 40m

$1,206

IslamabadHouston

ISB - IAH

ISBIAH

Islamabad Intl

Sat 1/24

10:20 am-1:10 pm

1 stop37h 50m

Houston George Bush Intcntl

Thu 1/29

9:05 pm-4:45 am

1 stop20h 40m

$1,226

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 42 results
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Best time to book a flight from Islamabad to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston 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

What is the cheapest month to book a flight from Islamabad to Houston?

Currently, September is the cheapest month in which you can book a flight from Islamabad to Houston (average of $469). Flying from Islamabad to Houston in July is currently the most expensive (average of $1,526). 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 HOU?

Find hourly flight availability from Islamabad to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

When flying from Islamabad to Houston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 75% versus a flight at noon.

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated December 18, 2025.
Peruse reviews from past customers who have flown with Qatar Airways and Turkish Airlines from Islamabad to Houston 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
3,686 reviews

Crew

7.9

Boarding

7.5

Food

7.3

Overall

7.4

Entertainment

7.4

Comfort

7.4

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
3,686 reviews
Qatar Airways
7.4
Good
3,686 reviews

Crew

7.9

Boarding

7.5

Food

7.3

Overall

7.4

Entertainment

7.4

Comfort

7.4

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
4,105 reviews
Qatar Airways
7.4
Good
3,686 reviews

Crew

7.9

Boarding

7.5

Food

7.3

Overall

7.4

Entertainment

7.4

Comfort

7.4

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 Houston. 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?

    If you book a flight to Houston from Islamabad, you will be flying from Islamabad Intl, which is the city’s only airport. Islamabad Intl (ISB) is located 19.7 mi from the center of Islamabad. There are 0 flights from Islamabad Intl to Houston per day from 3 different airlines.

  • How long is the flight from Islamabad to Houston?

    Airlines like Turkish Airlines, Qatar Airways, and British Airways fly from Islamabad to Houston in about 23h 55m. The time it takes to get you to your destination can typically vary by up to 14h 19m. Airlines will cover a distance of 7974 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Islamabad to Houston round-trip?

    Turkish Airlines, at $468, was found to be the cheapest airline from Islamabad to Houston.Alternate airlines to your destination round-trip include Qatar Airways and Pakistan International Airlines. Turkish Airlines is currently priced 67% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Islamabad to Houston one-way?

    For one-way options, check prices for Pakistan International Airlines. According to our data, you can fly for as low as $577. Users have also found prices from $593 and $719 on Qatar Airways and Turkish Airlines, respectively.

  • Can I find deals for flights from Islamabad to Houston that include hotel bookings?

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

  • How can I find direct flights from Islamabad to Houston?

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

  • Can I find deals for business class flights from Islamabad to Houston?

    Yes. Cheapflights offers flight deals from Islamabad to Houston 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?

    Currently, September is the cheapest month in which you can book a flight from Islamabad to Houston (average of $469). Flying from Islamabad to Houston in July is currently the most expensive (average of $1,526). 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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Top 3 airlines flying from Islamabad to Houston

Discover the top 3 airlines that operate flights from Islamabad to Houston. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$471Average$1,548FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$937Average$1,530FlexibilityNo cancel feeOn-time68%
Pakistan International AirlinesCheapest$1,385Average$1,621FlexibilityNo cancel feeOn-time50%

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