$750 Cheap Flights from Islamabad (ISB) to Houston (IAH)

View $750 flight on Sat, Nov 1, 2025Opens in a new window

Popular airlines from Benazir Bhutto Intl. Airport (ISB) to George Bush Intercontinental Airport (IAH)

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Cheap Flights from Islamabad to Houston (ISB-IAH)

Prices were available within the past 7 days and start at $750 for one-way flights and $1,019 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Saudia
Sat, Oct 4 - Sat, Oct 18
ISB
Islamabad
IAH
Houston
$1,019 Roundtrip, found 1 hour ago
$1,019
Roundtrip
found 1 hour ago
Select Saudia flight, departing Sat, Oct 4 from Islamabad to Houston, returning Sat, Oct 18, priced at $1,019 found 1 hour ago
Saudia
Sat, Oct 4 - Sat, Oct 18
ISB
Islamabad
IAH
Houston
$1,060 Roundtrip, found 1 hour ago
$1,060
Roundtrip
found 1 hour ago
Select Saudia flight, departing Sat, Oct 4 from Islamabad to Houston, returning Sat, Oct 18, priced at $1,060 found 1 hour ago
Saudia
Sun, Sep 14 - Sat, Oct 4
ISB
Islamabad
IAH
Houston
$1,084 Roundtrip, found 1 day ago
$1,084
Roundtrip
found 1 day ago
Select Saudia flight, departing Sun, Sep 14 from Islamabad to Houston, returning Sat, Oct 4, priced at $1,084 found 1 day ago
Emirates
Mon, Sep 22 - Tue, Oct 28
ISB
Islamabad
IAH
Houston
$1,103 Roundtrip, found 6 days ago
$1,103
Roundtrip
found 6 days ago
Select Emirates flight, departing Mon, Sep 22 from Islamabad to Houston, returning Tue, Oct 28, priced at $1,103 found 6 days ago
Emirates
Mon, Sep 22 - Mon, Sep 29
ISB
Islamabad
IAH
Houston
$1,108 Roundtrip, found 3 days ago
$1,108
Roundtrip
found 3 days ago
Select Emirates flight, departing Mon, Sep 22 from Islamabad to Houston, returning Mon, Sep 29, priced at $1,108 found 3 days ago
Emirates
Tue, Sep 30 - Wed, Nov 5
ISB
Islamabad
IAH
Houston
$1,109 Roundtrip, found 5 days ago
$1,109
Roundtrip
found 5 days ago
Select Emirates flight, departing Tue, Sep 30 from Islamabad to Houston, returning Wed, Nov 5, priced at $1,109 found 5 days ago
Emirates
Thu, Dec 4 - Sun, Jan 11
ISB
Islamabad
IAH
Houston
$1,113 Roundtrip, found 1 day ago
$1,113
Roundtrip
found 1 day ago
Select Emirates flight, departing Thu, Dec 4 from Islamabad to Houston, returning Sun, Jan 11, priced at $1,113 found 1 day ago
Air Canada
Mon, Sep 22 - Tue, Oct 28
ISB
Islamabad
IAH
Houston
$1,260 Roundtrip, found 6 days ago
$1,260
Roundtrip
found 6 days ago
Select Air Canada flight, departing Mon, Sep 22 from Islamabad to Houston, returning Tue, Oct 28, priced at $1,260 found 6 days ago
British Airways
Thu, Oct 16 - Thu, Feb 19
ISB
Islamabad
IAH
Houston
$1,382 Roundtrip, found 2 days ago
$1,382
Roundtrip
found 2 days ago
Select British Airways flight, departing Thu, Oct 16 from Islamabad to Houston, returning Thu, Feb 19, priced at $1,382 found 2 days ago
Turkish Airlines
Wed, Oct 1 - Thu, Oct 23
ISB
Islamabad
IAH
Houston
$1,715 Roundtrip, just found
$1,715
Roundtrip
just found
Select Turkish Airlines flight, departing Wed, Oct 1 from Islamabad to Houston, returning Thu, Oct 23, priced at $1,715 just found

Find the cheapest month to fly from Islamabad (ISB) to Houston (IAH)

October is typically the cheapest month to fly

From $995 - $1,752 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 $1,694
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $1,694
Flights from Islamabad (ISB) to Houston (IAH)
Origin airport
Islamabad Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Air Canada, American Airlines, British Airways, Emirates, Qatar Airways, Turkish Airlines
Roundtrip price
$1,018
Distance
7978 mi

Islamabad to Houston Flights

The cheapest times to fly from Islamabad 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 Islamabad to Houston are during the month of October. You can find some of the cheapest flights from Islamabad to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Islamabad to Houston

Sunday is one of the best days to book for cheap flights from Islamabad 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 Islamabad 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 Islamabad to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $750 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 Islamabad 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 Islamabad 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 Islamabad Intl. Airport (ISB) to George Bush Intercontinental Airport (IAH) cost?
Lock in a cheap one-way flight from $750 or cheap return flight from $1,019 from Islamabad Intl. Airport (ISB) to George Bush Intercontinental Airport (IAH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Islamabad Intl. Airport (ISB) to George Bush Intercontinental Airport (IAH)?
The cheapest month to fly from ISB to IAH is October, when there's less demand. Off-peak season is often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Islamabad Intl. Airport (ISB) to George Bush Intercontinental Airport (IAH)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest ISB to IAH flight.
How many flights per day from Islamabad Intl. Airport (ISB) to George Bush Intercontinental Airport (IAH)?
There are no daily nonstop flights available from Islamabad Intl. Airport (ISB) to George Bush Intercontinental Airport (IAH). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from ISB to IAH?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can vary based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Islamabad Intl. Airport (ISB) to George Bush Intercontinental Airport (IAH)?
To avoid possible delays on the Islamabad Intl. Airport (ISB) to George Bush Intercontinental Airport (IAH) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of being canceled.**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 Islamabad Intl. Airport (ISB) to George Bush Intercontinental Airport (IAH) last-minute?
Booking your ticket from ISB to IAH shortly before your getaway is typically more expensive. However, if you're flexible with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book an ISB to IAH flight and hotel package?
Securing an ISB to IAH flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our impressive range of stays and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Islamabad Intl. Airport (ISB) to George Bush Intercontinental Airport (IAH)?
In most instances, you can modify or cancel your ISB to IAH flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like further information, head to our Customer Service portal.

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*Available to One Key members.